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FEATURES
* OUTPUT CURRENT UP TO 16A * SMALL SIZE AND LOW PROFILE : 1.30" X 0.53" X 0.30" (SMD) ; 2.00" X 0.50" X 0.28" (SIP) * HIGH EFFICIENCY - 95% @ 3.3V FULL LOAD * INPUT RANGE FROM 2.4VDC TO 5.5VDC * FIXED SWITCHING FREQUENCY (300KHZ) * SMD & SIP PACKAGES * OUTPUT VOLTAGE PROGRAMMABLE FROM 0.75VDC TO 3.3VDC VIA EXTERNAL RESISTOR * INPUT UNDER-VOLTAGE LOCKOUT * UL60950-1, EN60950-1 AND IEC60950-1 LICENSED * ISO9001 CERTIFIED MANUFACTURING FACILITIES * COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
APPLICATIONS Wireless Network Telecom/Datacom Industry Control System Distributed Power Architectures Semiconductor Equipment Microprocessor Power Applications
OPTIONS
Positive Logic Remote on/off
DESCRIPTION
DOS16-05T (SMD type), DOH16-05T (for Vertical Mounting SIP type) and DOH16-05TA (for Horizontal Mounting SIP type) are non-isolated DC/DC converters that can deliver up to 16A of output current with full load efficiency of 95% at 3.3V output.
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output current Voltage accuracy Minimum load Line regulation Load regulation Vin=Vo(set)+0.5V to Vin(max) at Full Load No Load to Full Load Full load and Vin(nom)
All specifications are typical at nominal input, full load and 25C otherwise noted
INPUT SPECIFICATIONS
16A max 2%Vo(set) 0% 0.3%Vo(set),typ 0.4%Vo(set),typ 15mVrms,max 50mVp-p,max 0.4%, typ Input voltage range Maximum input current Input filter (Note 5) Input no load current (Vin=5V, Io=0, module enabled) Input under voltage lockout Input reflected ripple current Vo(set) =0.75Vdc Vo(set) =3.3Vdc Start-up voltage Shutdown voltage Vo(set) < Vin - 0.5V Vin=2.4 to 5.5V; Io=Io(max) 2.4 - 5.5VDC 16A C filter 100mA,typ 130mA,typ 2.2V,typ 2.0V,typ 100mAp-p
Ripple and noise (Note2) 20MHz bandwidth
Temperature coefficient Io /t = 2.5A/S ,Vin(nom) Peak deviation 300mV,typ Dynamic load Load change step Setting time response (50% to 100% or (Vo<10%peak 25S,typ (Note 2) 100% to 50% of Io(max)) deviation) Io /t = 2.5A/S ,Vin(nom) Peak deviation 150mV,typ Dynamic load Load change step Setting time response (50% to 100% or (Vo<10%peak 100S,typ (Note 3) 100% to 50% of Io(max)) deviation) Output current limit 180%,typ Output short-circuit current Hiccup, automatics recovery ESR1m 1000F,max External load capacitance 5000F,max ESR10m Output voltage overshoot-startup Vin=2.4~5.5V, F.L. 1%Vo(set) Voltage adjustability (see fig.1) (Note 4) 0.7525V ~ 3.63V
5~20MHz, 1H source impedance
ENVIRONMENTAL SPECIFICATIONS
Operating ambient temperature Storage temperature range Thermal shock Over temperature protection -40C ~ +85C(with derating) -55C ~ +125C MIL-STD-810F 125C,typ
FEATURE SPECIFICATIONS
Remote ON/OFF(Note 6) Negative logic(standard) ON = 0V < Vr < 0.3V OFF =1.5V < Vr < Vin(max) Positive logic(option) ON = Vin(max) OFF=0V < Vr < 0.3V Input current of Remote control pin Remote off state input current Nominal Vin Remote sense range Rise time Time for Vo to rise from 10% to 90%of Vo(set) Case 1 (Note 7) Case 2 (Note 8) IIN=10A,max IIN=1mA,max IIN=10A,max IIN=1mA,max 10A~1.0mA 1.5mA,typ 0.5V,max 6ms,max. 1ms,typ 1ms,typ
GENERAL SPECIFICATIONS
Efficiency Isolation voltage Switching frequency Approvals and standard SMD Dimensions Weight MTBF (Note 1) BELLCORE TR-NWT-000332 MIL-HDBK-217F SIP See table None 300KHz, typ IEC60950-1, UL60950-1, EN60950-1 1.30 X 0.53 X 0.30 Inch (33.0 X 13.5 X 7.7 mm) 2.00 X 0.50 X 0.28 Inch (50.8 X 12.7 X 7.2 mm) 6.0g(0.22oz) 7 1.428 x 10 hrs 5 6.523 x 10 hrs
Turn-on delay time
Page 1 of 3
Issued Date2007/10/12
Model Name
DOS16-05T DOS16-05T-P DOH16-05T DOH16-05T-P DOH16-05TA DOH16-05TA-P
ON/OFF Logic
Negative Positive Negative Positive Negative Positive
Package
SMD
Input Voltage
Output Voltage
Output Current
Min. Load Max. Load
Efficiency (%)
5.0Vin, 3.3Vdc@16A
2.4 ~ 5.5Vdc Vertical Mounting Vin(min)=Vo(set)+0.5V SIP Horizontal Mounting SIP
0.75 ~ 3.3Vdc
0A
16A
95%
Note 1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40C. MIL-HDBK-217F Notice2 @Ta=25 C, Full load(Ground, Benign, controlled environment). 2. External with Cout = 1F ceramic//10F tantalum capacitors. 3. External with Cout = 2x150F polymer capacitors. 4. Output voltage programmable from 0.75V to 3.3V by connecting a single resistor (shown as Rtrim in Table 1) between the TRIM and GND pins of the module.To calculate the value of the resistor Rtrim for a particular output voltage Vo, use the following equation: Rtrim = 5.
[
21070 Vo - 0.7525
-5110
]
It's necessary to equip the external input capacitors at the input of the module. The capacitors should connect as close as possible to the input terminals that ensuring module stability. The external Cin is 4x150F low-ESR polymer capacitors // 4x47F ceramic capacitors at least. 6. Device code with suffix "-P" - Positive logic(On/Off is open collector/drain logic input; Signal referenced to GND ) Device code with no suffix - Negative logic (On/Off pin is open collector/drain logic input with external pull -up resistor; signal referenced to GND) 7. Case 1 :On/Off input is set to logic low (module on) and then input power is applied (delay from instant at which Vin=Vin(min) until Vo=10% of Vo(set)) 8. Case 2 :Input power is applied for at least one second and then the On/Off input is set to logic low (delay form instant at which Von/off=0.3V until Vo=10% of Vo(set)) CAUTION: This power module is not internally fused. An input line fuse must always be used.
DOS16-05T, Vo=3.3V, Derating Curve
OUTPUT CURRENT, Io(A)
18 16 14 12 10 8 6 4 2 0 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE,TA()
Fig. 1
Table 1 Vo(set) (V) 0.7525 1.2 1.5 1.8 2.5 3.3 Rtrim (K) Open 41.973 23.077 15.004 6.974 3.160
Page 2 of 3
Issued Date2007/10/12
DOH16-05T
+SENSE
ON/OFF
VOUT
VOUT
VOUT
TRIM
GND
GND
VIN
VIN
BOTTOM VIEW
SIDE VIEW
DOH16-05TA
+SENSE
ON/OFF
VOUT
VOUT
VOUT
TRIM
GND
GND
VIN
VIN
BOTTOM VIEW
SIDE VIEW
DOS16-05T
BOTTOM VIEW
SIDE VIEW
1. All dimensions in Inches (mm) Tolerance: X.XX0.02 (X.X0.5) X.XXX0.01 (X.XX0.25) 2. Pin pitch tolerance 0.01(0.25) 3. Pin dimension tolerance 0.004 (0.1)
Page 3 of 3
Issued Date2007/10/12

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