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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 - 92% @ 3.3V FULL LOAD * INPUT RANGE FROM 8.3VDC TO 14.0VDC * FIXED SWITCHING FREQUENCY (300KHZ) * SMD & SIP PACKAGES * OUTPUT VOLTAGE PROGRAMMABLE FROM 0.75VDC TO 5.0VDC 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
DOS16-12T (SMD type), DOH16-12T (for Vertical Mounting SIP type) and DOH16-12TA (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 92% 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=Vin(min) 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 30mVrms,max 75mVp-p,max 0.4%, typ Input voltage range Maximum input current Input filter (Note 5) Input no load current (Vin=12V, Io=0, module enabled) Input under voltage lockout Input reflected ripple current Vo(set) =0.75Vdc Vo(set) =5.0Vdc Start-up voltage Shutdown voltage Vo(set) 3.63V Vin(nom) =12V Vo(set) >3.63V Vin=8.3 to 14.0Vdc; Io=Io(max) 8.3 - 14VDC 8.3 - 13.2VDC 10A C filter 40mA,typ 100mA,typ 7.9V,typ 7.8V,typ 30mAp-p
Ripple and noise (Note2) 20MHz bandwidth
Temperature coefficient Io /t = 2.5A/S ,Vin(nom) Peak deviation 200mV,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 100mV,typ Dynamic load Load change step Setting time response (50% to 100% or (Vo<10%peak 50S,typ (Note 3) 100% to 50% of Io(max)) deviation) Output current limit 180% Output short-circuit current Hiccup, automatics recovery ESR1m 1000F,max External load capacitance 5000F,max ESR10m Vin=Vin(min) to Vin(max) Output voltage overshoot-startup 1%Vo(set) F.L. Voltage adjustability (see fig.1) (Note 4) 0.7525V ~ 5.0V
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 =2.5V < Vr < Vin(max) Positive logic(option) ON = (Vin-4) < Vr < 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 2.0mA,typ 0.5V,max 6ms,max. 3ms,typ 3ms,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 1.409 x 10 hrs 5 6.704 x 10 hrs
Turn-on delay time
Page 1 of 3
Issued Date2007/10/12
Model Name
DOS16-12T DOS16-12T-P DOH16-12T DOH16-12T-P DOH16-12TA DOH16-12TA-P
ON/OFF Logic
Negative Positive Negative Positive Negative Positive
Package
SMD Vertical Mounting SIP Horizontal Mounting SIP
Input Voltage
Vo(set)3.63V Vin = 8.3-14Vdc
Output Voltage
Output Current
Min. Load Max. Load
Efficiency (%)
12Vin, 3.3Vdc@16A
0.75 ~ 5.0Vdc Vo(set)3.63V Vin = 8.3-13.2Vdc
0A
16A
92%
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 0.7525V to 5V 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.
[
10500 Vo - 0.7525
-1000
]
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 6x47F 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.
DOS16-12T, Vo=3.3V, Derating Curve
18
OUTPUT CURRENT,Io(A)
16 14 12 10 8 6 4 2 0 20 30 40 50 60 70 80 90
Fig. 1
AMBIENT TEMPERATURE,TA()
Table 1 Vo(set) (V) 0.7525 1.2 1.5 1.8 2.5 3.3 5 Rtrim (K) Open 22.46 13.05 9.024 5.009 3.122 1.472
Page 2 of 3
Issued Date2007/10/12
DOH16-12T
+SENSE
ON/OFF
VOUT
VOUT
VOUT
TRIM
GND
GND
VIN
VIN
BOTTOM VIEW
SIDE VIEW
DOH16-12TA
+SENSE
ON/OFF
VOUT
VOUT
VOUT
TRIM
GND
GND
VIN
VIN
BOTTOM VIEW
SIDE VIEW
DOS16-12T
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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