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c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 4 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 1 a n p e c r e s e r v e s t h e r i g h t t o m a k e c h a n g e s t o i m p r o v e r e l i a b i l i t y o r m a n u f a c t u r a b i l i t y w i t h o u t n o t i c e , a n d a d v i s e c u s t o m e r s t o o b t a i n t h e l a t e s t v e r s i o n o f r e l e v a n t i n f o r m a t i o n t o v e r i f y b e f o r e p l a c i n g o r d e r s . c o m p a c t , s m a l l p a c k a g e 1 a p o w e r - d i s t r i b u t i o n s w i t c h e s f e a t u r e s high side n-mosfet with internal charge pump 1a continuous current built-in soft-start wide supply voltage range current-limit and short-circuit protections input voltage under voltage lockout protection reverse current blocking when switch disabled output ovp protection reverse current-limit protection output discharge over-temperature protection lead free and green devices available (rohs compliant) a p p l i c a t i o n s g e n e r a l d e s c r i p t i o n hdmi port protection switches bluetooth protection switches high-side power protection switches s i m p l i f i e d a p p l i c a t i o n c i r c u i t p i n c o n f i g u r a t i o n en 2 5 nc vout 3 4 vin gnd 1 apl 3534 a sot - 23 - 5 enb 2 5 nc vout 3 4 vin gnd 1 apl 3534 b sot - 23 - 5 3 vin vout 2 gnd 1 apl 3534 sot - 23 - 3 the apl3534/a/b is a power-distribution switch with cur- rent- limiting function and output ovp protections that can deliver current up to 1a. the device incorporates a 110m w n-channel mosfet power switch. the device integrates some protection features, includ- ing current-limit protection, output over-voltage protection, over-temperature protection and uvlo. the current-limit protection can protect down-stream devices from cata- strophic failure by limiting the output current at current- limit threshold during over-load or short-circuit events. the output over-voltage protection can prevent current flowing from vout to vin when an abnormally high volt- age exists in vout. the over-temperature protection func- tion shuts down the n-channel mosfet power switch when the junction temperature rises beyond 140 o c and will automatically turns on the power switch when the temperature drops by 20 o c. the uvlo function keeps the power switch in off state until there is a valid input voltage present. the device is available in lead free sot-23-3 and sot-23-5 packages. vin vout gnd apl 3534 vin vout gnd apl 3534 a / b en / enb
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 2 symbol parameter rating unit v in vin to gnd voltage - 0.3 ~ 6.5 v v out vout to gnd voltage - 0.3 ~ 6.5 v v en, v enb en, enb to gnd voltage - 0.3 ~ 6.5 v t j maximum junction temperature - 40 ~ 150 o c t stg storage temperature - 65 ~ 150 o c t sdr maximum lead soldering temperature (10 seconds) 260 o c o r d e r i n g a n d m a r k i n g i n f o r m a t i o n a b s o l u t e m a x i m u m r a t i n g s ( n o t e 1 ) t h e r m a l c h a r a c t e r i s t i c s ( n o t e 2 ) symbol parameter typical value unit q ja junction - to - ambient resistance in f ree a ir (sot - 23 - 3, sot - 23 - 5) 260 o c/w n o t e : a n p e c l e a d - f r e e p r o d u c t s c o n t a i n m o l d i n g c o m p o u n d s / d i e a t t a c h m a t e r i a l s a n d 1 0 0 % m a t t e t i n p l a t e t e r m i n a t i o n f i n i s h ; w h i c h a r e f u l l y c o m p l i a n t w i t h r o h s . a n p e c l e a d - f r e e p r o d u c t s m e e t o r e x c e e d t h e l e a d - f r e e r e q u i r e m e n t s o f i p c / j e d e c j - s t d - 0 2 0 d f o r m s l c l a s s i f i c a t i o n a t l e a d - f r e e p e a k r e f l o w t e m p e r a t u r e . a n p e c d e f i n e s ? g r e e n ? t o m e a n l e a d - f r e e ( r o h s c o m p l i a n t ) a n d h a l o g e n f r e e ( b r o r c l d o e s n o t e x c e e d 9 0 0 p p m b y w e i g h t i n h o m o g e n e o u s m a t e r i a l a n d t o t a l o f b r a n d c l d o e s n o t e x c e e d 1 5 0 0 p p m b y w e i g h t ) . note1: stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recom- mended operating conditions" is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. note 2: q ja is measured with the component mounted on a high effective thermal conductivity test board in free air. enable function blank : no enable function a : active high b : active low package code a : sot - 23 - 3 b : sot - 23 - 5 operating ambient temperature range i : - 40 to 85 o c handling code tr : tape & reel assembly material g : halogen and lead free device apl 3534 a : x - date code apl 3534 handling code temperature range package code assembly material apl 3534 a b : x - date code apl 3534 b b : x - date code l 34 x l 34 ax l 34 bx enable function
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 3 e l e c t r i c a l c h a r a c t e r i s t i c s apl3534/a/b symbol parameter test conditions min. typ. max. unit under - voltage lockout vin uvlo threshold voltage v in rising 2.35 2.5 2.65 v vin uvlo hysteresis - 0.1 - v supply current i vin vin supply current no load, v en = high (or v enb = lo w) - 100 150 m a i sd vin shutdown current no load, v en = low (or v enb = high) - - 1 m a out leakage current vout tied to ground, v en =low (or v enb = high) - - 1 m a out input current v out =5v, v in = 0v, no matter v en = low or high - - 1 m a power switch v in =5v, i out =1a, t j =25 o c - 110 140 m w v in =5v, i out =1a, t j = - 40~125 o c - - 175 m w v in =3.3v, i out =1a, t j =25 o c - 120 155 m w r ds(on) power switch on resistance v in =3.3v, i out =1a, t j = - 40~125 o c - - 195 m w current - limit protections t j =25 o c, 1.3 1.6 1.9 a i lim current - limit threshold t j = - 40~125 o c 1.05 - - a i short short - circuit output current v out <1.2v (this function is disabled during soft start interval) 0.3 0.6 1 a output over - voltage protects i rv reverse current blocking threshold v out - v in =1v, t j =25 o c 0.3 0 .5 0.7 a t rvdeg reverse current blocking deglitch time guaranteed by design - 0.7 - ms v ovp output ovp threshold 5.5 5.75 6 v t ovd output ovp delay time - 20 - m s soft - start control pin t ss soft - start time v in =5v, v out =10% to 90% 1 2.5 4 ms v in =5v, v en =5v or v enb =0v and t a =25 o c (unless otherwise noted). r e c o m m e n d e d o p e r a t i n g c o n d i t i o n s ( n o t e 3 ) symbol parameter range unit v in vin input voltage 2.7 ~ 5.4 v i out out output current 0 ~ 1 a t a ambient temperature - 40 ~ 85 o c t j junction temperature - 40 ~ 125 o c note 3: refer to the typical application circuit.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 4 e l e c t r i c a l c h a r a c t e r i s t i c s ( c o n t . ) v in =5v, v en =5v or v enb =0v and t a =25 o c (unless otherwise noted). apl3534/a/b symbol parameter test conditions min. typ. max. unit output discharge and enable vout discharge resistance v in =5v, v en =low(or v enb =high), v out =1v - 40 - w input logic high 2 - - v v en, v enb input logic low - - 0.8 v en, enb input current v en =5v or v enb =5v - - 1 m a en, enb leakage v en =0v or v enb =0v - - 1 m a output temperature protection (otp) t otp over - temperature threshold t j rising - 140 - c over - temperature hysteresis - 20 - c
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 5 p i n d e s c r i p t i o n pin no. sot - 23 - 3 sot - 23 - 5 name function 1 1 gnd ground. 2 3 vout output voltage pin. the output voltage follows the input voltage. when en is low or v in is uvlo, the output voltage is discharged by an internal resistor. 3 4 vin power supply input c onnect this pin to external dc supply. - 2 en/enb pulling the enb above 2v or en below 0.8v will disable the device, and pulling enb pin below 0.8v or en above 2v will enable the device. the en and enb pins cannot be left floating. - 5 nc not connected i nternally . b l o c k d i a g r a m gate driver and control logic uvlo vin vout charge pump en / enb ( sot - 23 - 5 ) otp gnd current - limit & short current limit ovp
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 6 t y p i c a l a p p l i c a t i o n c i r c u i t vin vout gnd apl 3534 0 . 1 m f 0 . 1 m f v in v out sot - 23 - 3 2 3 1 vin vout gnd apl 3534 a en 0 . 1 m f 0 . 1 m f v in v out off on sot - 23 - 5 4 2 1 3 vin vout gnd apl 3534 b enb 0 . 1 m f 0 . 1 m f v in v out on off sot - 23 - 5 4 3 2 1
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 7 f u n c t i o n d e s c r i p t i o n vin under-voltage lockout (uvlo) the apl3534/a/b power switch has a built-in under-volt- age lockout circuit to keep the output shut off until internal circuitry is operating properly. the uvlo circuit has hys- teresis and a de-glitch feature so that it will typically ig- nore undershoot transients on the input. when input volt- age exceeds the uvlo threshold, the output voltage starts a soft-start to reduce the inrush current. power switch the power switch is an n-channel mosfet with a low r ds(on) . the internal power mosfet does not have the body diode. when ic is in uvlo state, the mosfet pre- vents a current flowing from the vout back to vin and vin to vout. current-limit protection the apl3534/a/b power switch provides the current-limit protection function. during current-limit, the devices limit output current at current-limit threshold. for reliable operation, the device should not be operated in current- limit for extended period time. output discharge when the input voltage is under vin uvlo threshold or v en =low or v enb =high, the output discharge device is turned on to discharge the output voltage. soft-start the apla3534/a/b has a built-in output soft-start control to limit the current surge during start-up. the soft-start interval is 2.5ms. short-circuit protection when the output voltage drops below 1.2v, which is caused by the over load or short-circuit, the devices limit the output current down to a safe level. the short-circuit current-limit is used to reduce the power dissipation dur- ing short-circuit condition. if the junction temperature is over the thermal shutdown temperature the device will enter the thermal shutdown. this function is disabled during soft-start interval. enable/disable (sot-23-5) pulling the enb above 2v or en below 0.8v will disable the device, and pulling enb pin below 0.8v or en above 2v will enable the device. when the ic is disabled the supply current is reduced to less than 1 m a. the enable input is compatible with both ttl and cmos logic levels. the en/enb pins cannot be left floating. over-temperature protection when the junction temperature exceeds 140 o c , the inter- nal thermal sense circuit turns off the power fet and allows the device to cool down. when the device?s junc- tion temperature cools by 20 o c , the internal thermal sense circuit will enable the device, resulting in a pulsed output during continuous thermal protection. thermal protec- tion is designed to protect the ic in the event of over- temperature conditions. for normal operation, the junc- tion temperature cannot exceed t j =+125 o c. output over-voltage protection the output over-voltage protection is implemented by 2 either sensing mechanisms. one is by sensing when v out voltage is above v ovp threshold, the internal power mosfet is turned off. the other is by sensing when re- verse current, flowing from vout to vin, surpasses i rv . when the reverse current reachers the reverse current blocking threshold, the device limits the reveres current at i rv threshold level. when the reverse current fault ex- ists for more than 0.7ms, the internal power mosfet is turned off. the internal power mosfet is allowed to turn- on once the output voltage gose below v in -1.2v.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 8 a p p l i c a t i o n i n f o r m a t i o n i n p u t c a p a c i t o r t h e a p l 3 5 3 4 / a / b r e q u i r e s p r o p e r i n p u t c a p a c i t a n c e t o s u p p l y c u r r e n t s u r g e d u r i n g s t e p p i n g l o a d t r a n s i e n t s t o p r e v e n t t h e i n p u t v o l t a g e r a i l f r o m d r o p p i n g . b e c a u s e t h e p a r a s i t i c i n d u c t o r f r o m t h e v o l t a g e s o u r c e s o r o t h e r b u l k c a p a c i t o r s t o t h e v i n p i n l i m i t t h e s l e w r a t e o f t h e s u r g e c u r r e n t s , m o r e p a r a s i t i c i n d u c t a n c e n e e d s m o r e i n p u t c a p a c i t a n c e . a c e r a m i c i n p u t c a p a c i t o r ( 0 . 1 t o 1 0 m f ) f r o m v i n t o g n d , l o c a t e d n e a r t h e a p l 3 5 3 4 / a / b , i s s t r o n g l y r e c o m m e n d e d t o s u p p r e s s t h e r i n g i n g d u r i n g s h o r t c i r c u i t f a u l t e v e n t . w i t h o u t t h e i n p u t c a p a c i t o r , t h e o u t p u t s h o r t m a y c a u s e s u f f i c i e n t r i n g i n g o n t h e i n p u t ( f r o m s u p p l y l e a d i n d u c t a n c e ) t o d a m a g e i n t e r n a l c o n t r o l c i r c u i t r y . layout consideration t h e p c b l a y o u t s h o u l d b e c a r e f u l l y p e r f o r m e d t o m a x i - m i z e t h e r m a l d i s s i p a t i o n a n d t o m i n i m i z e v o l t a g e d r o p , d r o o p a n d e m i . t h e f o l l o w i n g g u i d e l i n e s m u s t b e c o n s i d e r e d : 1 . p l e a s e p l a c e t h e i n p u t c a p a c i t o r s n e a r t h e v i n p i n a s c l o s e a s p o s s i b l e . 2 . o u t p u t d e c o u p l i n g c a p a c i t o r s f o r l o a d m u s t b e p l a c e d n e a r t h e l o a d a s c l o s e a s p o s s i b l e f o r d e c o u p l i n g h i g h - f r e q u e n c y r i p p l e s . 3 . l o c a t e a p l 3 5 3 4 / a / b a n d o u t p u t c a p a c i t o r s n e a r t h e l o a d t o r e d u c e p a r a s i t i c r e s i s t a n c e a n d i n d u c t a n c e f o r e x c e l l e n t l o a d t r a n s i e n t p e r f o r m a n c e . 4 . t h e n e g a t i v e p i n s o f t h e i n p u t a n d o u t p u t c a p a c i t o r s a n d t h e g n d p i n m u s t b e c o n n e c t e d t o t h e g r o u n d p l a n e o f t h e l o a d . 5 . k e e p v i n a n d v o u t t r a c e s a s w i d e a n d s h o r t a s p o s s i b l e . r e c o m m a n d e d m i n i m u m f o o t p r i t sot - 23 - 3 0 . 0 5 7 0 . 024 0 . 1 0 2 0 . 037 0 . 074 unit : inch 0 . 0 5 0 . 02 0 . 1 0 . 038 0 . 076 unit : inch sot - 23 - 5
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 9 p a c k a g e i n f o r m a t i o n s o t - 2 3 - 3 0 l view a 0 . 2 5 gauge plane seating plane a a 2 a 1 e d e e 1 see view a b c e1 max. 0.057 0.051 0.024 0.006 0.009 0.020 0.012 l 0.30 0 e e1 e1 e d c b 0.08 0.30 0.60 0.012 0.95 bsc 1.90 bsc 0.22 0.50 0.037 bsc 0.075 bsc 0.003 min. millimeters s y m b o l a1 a2 a 0.00 0.90 sot-2 3 -3 max. 1.45 0.15 1.30 min. 0.000 0.035 inches 8 0 8 0 1.40 2.60 1.80 3.00 2.70 3.10 0.122 0.071 0.118 0.102 0.055 0.106 note : dimension d and e1 do not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 10 mil per side.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 1 0 p a c k a g e i n f o r m a t i o n s o t - 2 3 - 5 max. 0.057 0.051 0.024 0.006 0.009 0.020 0.012 l 0.30 0 e e1 e1 e d c b 0.08 0.30 0.60 0.012 0.95 bsc 1.90 bsc 0.22 0.50 0.037 bsc 0.075 bsc 0.003 min. millimeters s y m b o l a1 a2 a 0.00 0.90 sot-23-5 max. 1.45 0.15 1.30 min. 0.000 0.035 inches 8 0 8 0 b c e1 0 l view a 0 . 2 5 gauge plane seating plane a a 2 a 1 e d e e 1 see view a 1.40 2.60 1.80 3.00 2.70 3.10 0.122 0.071 0.118 0.102 0.055 0.106 note : 1. follow jedec to-178 aa. 2. dimension d and e1 do not include mold flash, protrusions or gate burrs. mold flash, protrusion or gate burrs shall not exceed 10 mil per side.
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 1 1 application a h t1 c d d w e1 f 178.0 ? 2.00 50 min. 8.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 8.0 ? 0.30 1.75 ? 0.10 3.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sot - 23 - 3 4.0 ? 0.10 4.0 ? 0.10 2.0 ? 0.05 1.5+0.10 - 0.00 1.0 min. 0.6+0.00 - 0.4 0 3.20 ? 0.20 3.10 ? 0.20 1.50 ? 0.20 application a h t1 c d d w e1 f 178.0 ? 2.00 50 min. 8.4+2.00 - 0.00 13.0+0.50 - 0.20 1.5 min. 20.2 min. 8.0 ? 0.30 1.75 ? 0.10 3.5 ? 0.05 p 0 p1 p 2 d 0 d1 t a 0 b 0 k 0 sot - 23 - 5 4.0 ? 0.10 4.0 ? 0.10 2.0 ? 0.05 1.5+0.10 - 0.00 1.0 min. 0.6+0.00 - 0.40 3.20 ? 0.20 3.10 ? 0.20 1.50 ? 0.20 (mm) c a r r i e r t a p e & r e e l d i m e n s i o n s d e v i c e s p e r u n i t package type unit quantity sot - 23 - 3 tape & reel 3000 sot - 23 - 5 tape & reel 3000 a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 h t1 a d
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 1 2 t a p i n g d i r e c t i o n i n f o r m a t i o n sot-23-3 user direction of feed sot-23-5 user direction of feed
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 1 3 profile feature sn - pb eutectic assembly pb - free assembly preheat & soak temperature min (t smin ) temperature max (t smax ) time (t smin to t smax ) ( t s ) 100 c 150 c 60 - 120 seconds 150 c 200 c 60 - 1 2 0 seconds average ramp - up rate (t smax to t p ) 3 c/second ma x. 3 c/second max. liquidous temperature ( t l ) time at l iquidous (t l ) 183 c 60 - 150 seconds 217 c 60 - 150 seconds peak package body temperature (t p ) * see classification temp in table 1 see classification temp in table 2 time (t p ) ** within 5 c of the spe cified c lassification t emperature ( t c ) 2 0 ** seconds 3 0 ** seconds average r amp - down rate (t p to t smax ) 6 c/second max. 6 c/second max. time 25 c to p eak t emperature 6 minutes max. 8 minutes max. * tolerance for peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. ** tolerance for time at peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. c l a s s i f i c a t i o n p r o f i l e c l a s s i f i c a t i o n r e f l o w p r o f i l e s supplier t p ? t c supplier t p user t p ?? t c user t p t t s time t e m p e r a t u r e t p t l t p t c -5 o c 25 time 25 o c to peak max. ramp up rate = 3 o c/s max. ramp down rate = 6 o c/s preheat area t smax t smin t c t c -5 o c
c o p y r i g h t ? a n p e c e l e c t r o n i c s c o r p . r e v . a . 1 - o c t . , 2 0 1 3 a p l 3 5 3 4 / a / b w w w . a n p e c . c o m . t w 1 4 c u s t o m e r s e r v i c e a n p e c e l e c t r o n i c s c o r p . head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan, r.o.c. tel : 886-3-5642000 fax : 886-3-5642050 t a i p e i b r a n c h : 2 f , n o . 1 1 , l a n e 2 1 8 , s e c 2 j h o n g s i n g r d . , s i n d i a n c i t y , t a i p e i c o u n t y 2 3 1 4 6 , t a i w a n t e l : 8 8 6 - 2 - 2 9 1 0 - 3 8 3 8 f a x : 8 8 6 - 2 - 2 9 1 7 - 3 8 3 8 table 2. pb - free process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 350 - 2000 volume mm 3 >2000 <1.6 mm 260 c 260 c 260 c 1.6 mm ? 2.5 mm 260 c 250 c 245 c 3 2.5 mm 250 c 245 c 245 c table 1. snpb eutectic process ? classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 235 c 22 0 c 3 2.5 mm 220 c 220 c test item method description solderability jesd - 22, b102 5 sec, 245 c holt jesd - 22, a108 1000 hrs, bias @ t j =125 c pct jesd - 22, a102 168 hrs, 100 % rh, 2atm , 121 c tct jesd - 22, a104 500 cycles, - 65 c~150 c hbm mil - std - 883 - 3015.7 vhbm ? 2kv mm jesd - 22, a1 15 vmm ? 200v latch - up jesd 78 10ms, 1 tr ? 100ma r e l i a b i l i t y t e s t p r o g r a m c l a s s i f i c a t i o n r e f l o w p r o f i l e s ( c o n t . )

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