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fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net 16 bit constant current led driver product description FD9802 is a 16 - bit constant current driver for led display s. this product is designed by shanghai fengxin microelectronics co. , ltd . the constant current can be set between 5ma to 90ma by an external r esistor. FD9802c has the same function with mbi5026gf and FD9802d has the same function with mbi5026gp. FD9802 can be directly used on the existing pcb , no need to design new pcb. FD9802 ? s performance price ratio is higher; the manufacturer s of led display can save cost by using FD9802. model FD9802c (package ssop 24- 1.0 ) FD9802d (package ssop 24- 0.635 ) FD9802c: ssop 24- 300- 1.0 FD9802d: ssop 24- 150- 0.635 features 16 constant - current output channels constant output current invariant to load voltage change out put current adjusted through an external resistor constant o ut put current r ange: 5 - 90ma excellent output current accuracy: between channels < 3% between ics < 4% 25 mhz clock frequency input compatible 5v cmos 5v supply voltage www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net ? bb - free & green ? package compatible with ti ? s tlc5926/7, toshiba ? s tb62726 and macroblock ? s mbi5026/4/0. pin assignment pin description pin number pin name f unction 1 gnd g round terminal . 2 serial - in terminal of s erial - data input to the shift register . 3 clock clock input terminal for data shift on rising edge . 4 latch data strobe input terminal . serial data is transferred to the output latch when l atch is high. the data is latched when l atch goes low. 5~20 out 0~15 constant current output terminal s. 21 enable output enable terminal . a ll the output terminals are turned off when enable is high ; all the output terminal s are turned on wh en enable is low . www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net 22 serial - out serial - data output terminal , to the next serial - in. 23 r - ext current setting terminal . c onnect ed with an external resistor to adjust output current . 24 v dd supply voltage terminal . block diagram equivalent circuit of inputs and outputs www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net timing diagram www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net note: the latches circuit holds data when the latch terminal is low. when the latch terminal is at high level, latch circuit doesn?t hold the data, it passes from the input to the output. when the enable terminal is at low level, output terminals out0 to out15 respond to the data, either on or off. when the enable terminal is at high level, it switches off all the data on the output terminal. truth table note: out0 to out15 = on when dn = h; out0 to out15 = off when dn = l . www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net maximum rating parameter symbol v alue u nit supply voltage v dd 0~7.0 v input voltage v in - 0.4~vdd+0.4 v output voltage on outn v out - 0.5~+ 17 .0 v output current on outn i out + 90 ma clock frequency f clk 25 mhz gnd terminal current i gnd 1440 ma power dissipation p d 1.00(on pcb , ta=25 ) w thermal resistance r th(j -a) 120(on pcb) /w storage temperature range t stg - 55~+150 operating temperature range topr - 40~+85 recommended operating conditions parameter symbol test conditio ns min. typ. max. unit supply voltage v dd - 4.5 5.0 5.5 v input voltage v ih - 0.7vdd - vdd+0.3 v v il - - 0.3 - 0.3vdd output voltage on outn v out - - - 15.0 v output current i out outn 5 - 45 ma i oh serlal - out - - 3.7 - i ol serlal - out - - 4.0 - latch pulse width t w lat vdd=4.5~5v 100 - - ns clock pulse width t w clk 50 - - ns setup time for data t setup(d) 60 - - ns holdtime for data t hold(d) 20 - - ns hold time for latch t setup(l) 100 - - ns clock frequency f clk cascade op eration - 15 20 mhz power dissipation p d ta=85 o c - - 0.5 w www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net electrical characteristics parameter symbol test conditions min. typ. max. unit high level input voltage v ih - 0.7vdd - vdd v low level input voltage v il - gnd - 0.3vdd output leakage current i oh v oh=9.5v - - 1.0 ua output voltage (s - out) v ol i ol =1.0ma - - 0.4 v v oh i oh = - 1.0ma 4.6 - - output current ( between channels ) i ol1 v out =0.70.25v rext=910 - - 3 % i ol2 v out =0.70.25v rext=360 - - 3 output current ( between i cs) i ol3 v out =0.7v rext=910 - - 4 i ol4 v out =0.7v rext=360 - - 4 output current vs. output voltage regulation %/vdd rext=360, ta= - 40~85 o c - 1.5 5.0 %/v pull - up resistor r in(pull up) - 150 300 600 k pull - down resistor r in(pull down) - 100 200 400 k supply current (off) i dd(off)1 rext=open,out0~7=off - 0.3 0.6 ma i dd(off)2 rext=470,out0~7=off 3.9 5.5 7.7 i dd(off)3 rext=250,out0~7=o ff 7.2 10.1 14.1 i dd(on)1 rext=470,out0~7=on 3.9 5.5 7.7 www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net supply current (on) i dd(on)2 rext=250,out0~7=on 7.2 10.1 14.1 test circuit for electrical characteristics switching characteristics parameter symbol test condition min. typ. max . unit propagation delay time ?l? to ?h? t plh v dd =5.0v v ce =0.4v v ih = v dd v il =gnd rext=470 v l =3.0v r l = 1.0k c l =10.5pf - 120 150 ns - 120 150 - 120 150 clk - s - out - 30 70 propaga tion delay time ?h? to ?l? t phl - 70 100 ns - 70 100 - 70 100 clk - s - out - 30 70 www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net output current rise time t or - 100 200 ns output current fall time t of - 60 120 ns test circuit for switching characteristics timing waveform 1. clock; out n ; serial - in ; serial - out www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net 2. clock; serial - in; latch 3. enable;outn www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net constant current in led display application, FD9802 provides nearly no variations in current from c hannel to channel and from ic to ic. this can be achieved by: 1) the maximum current variation between channels is less than 3%,and that between ics is less than 4%. 2) the output current can be kept constant regardless of the variations of led forward voltage s(vf). this performs as a perfection of load regulation. www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net output current setting iout - r- ext the output current is set by the external resistor rset. the output current is: iout = (1.23/rext)15.3 application circuitry www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net package information www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net part number package type FD9802 c ssop24 - 300 - 1.0 0 FD9802 d ssop24 - 150 - 0.635 FD9802 c ssop 24 - 300 - 1.00 unit: mm www.datasheet.co.kr datasheet pdf - http://www..net/
fd 9802 ? shanghai fengxin microelectronics co., ltd . t el 86-21 - 37529331 f ax 86-21- 37529332 shenzhen office t el : 86 - 755- 33075201 f ax : 86 -755- 83938491 v ersion: apr . , 201 1 www.shfengxin.net FD9802 d ssop 24 - 150 - 0.635 unit: mm www.datasheet.co.kr datasheet pdf - http://www..net/

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