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FEATURES
• OUTPUT CURRENT UP TO 10A
• 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 - 93% @ 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
OPTIONS
Positive Logic Remote on/off
DESCRIPTION
Industry Control System
Distributed Power Architectures
Semiconductor Equipment
Microprocessor Power Applications
DOS10-12T (SMD type), DOH10-12T (for Vertical Mounting SIP type) and
DOH10-12TA (for Horizontal Mounting SIP type) are non-isolated DC/DC
converters that can deliver up to 10A of output current with full load efficiency of
93% 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 All specifications are typical at nominal input, full load and 25ºC otherwise noted
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
Vo(set) ≦3.63V
Vo(set) >3.63V
Output current
10A max.
± 2%Vo(set)
0%
8.3 – 14VDC
8.3 – 13.2VDC
Input voltage range
Vin(nom.) =12V
Voltage accuracy
Minimum load
Full load and Vin(nom.)
Maximum input current Vin=8.3 to 14.0Vdc; Io=Io(max.)
Input filter (Note 5)
7A
C filter
Vin=Vin(min.) to Vin(max.)
at Full Load
Line regulation
Load regulation
± 0.3%Vo(set),typ.
± 0.4%Vo(set),typ.
Vo(set) =0.75Vdc
Vo(set) =5.0Vdc
Start-up voltage
Shutdown voltage
Input no load current
40mA,typ.
100mA,typ.
No Load to Full Load
(Vin=12V, Io=0, module enabled)
Ripple and noise
(Note2)
30mVrms,max.
75mVp-p,max.
7.9V,typ.
7.8V,typ.
20MHz bandwidth
Input under voltage lockout
±0.4%, typ.
Temperature coefficient
Input reflected ripple current 5~20MHz, 1μH source impedance 20mAp-p
ΔIo /Δt = 2.5A/μS ,Vin(nom.)
Peak deviation 200mV,typ.
Setting time
Dynamic load
response
(Note 2)
ENVIRONMENTAL SPECIFICATIONS
Load change step
(50% to 100% or
100% to 50% of Io(max.))
Operating ambient temperature
Storage temperature range
Thermal shock
–40ºC ~ +85ºC(with derating)
–55ºC ~ +125ºC
(Vo<10%peak
deviation)
25μS,typ.
ΔIo /Δt = 2.5A/μS,Vin(nom.)
Peak deviation 100mV,typ.
Setting time
Dynamic load
response
(Note 3)
MIL-STD-810F
Load change step
(50% to 100% or
100% to 50% of Io(max.))
(Vo<10%peak
deviation)
25μS,typ.
Over temperature protection
125ºC,typ.
FEATURE SPECIFICATIONS
Output current limit
200%
Remote ON/OFF(Note 6)
Output short-circuit current
Hiccup, automatics recovery
Negative logic(standard)
Positive logic(option)
ON = 0V < Vr < 0.3V
OFF =2.5V < Vr < Vin(max.)
ON = (Vin-4) < Vr < Vin(max.)
OFF=0V < Vr < 0.3V
IIN=10μA,max.
ESR≧1mΩ
ESR≧10mΩ
Vin=Vin(min.) to Vin(max.)
F.L.
1000μF,max.
5000μF,max.
External load capacitance
IIN=1mA,max.
IIN=10μA,max.
IIN=1mA,max.
10μA~1.0mA
Output voltage overshoot-startup
Voltage adjustability (see fig.1)
1%Vo(set)
Input current of Remote control pin
(Note 4)
0.7525V ~ 5.0V
Remote off state input current
Nominal Vin
2.0mA,typ.
0.5V,max.
GENERAL SPECIFICATIONS
Remote sense range
Efficiency
See table
None
Rise time
Time for Vo to rise from 10% to 90%of Vo(set)
Case 1 (Note 7)
6ms,max.
Isolation voltage
Switching frequency
3ms,typ.
3ms,typ.
Turn-on delay time
300KHz, typ.
Case 2 (Note 8)
Approvals and standard
IEC60950-1, UL60950-1, EN60950-1
SMD
SIP
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)
Dimensions
Weight
6.0g(0.22oz)
BELLCORE TR-NWT-000332
MIL-HDBK-217F
1.409 x 107 hrs
MTBF (Note 1)
1.048 x 106 hrs
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