DOS(H)16-12T SERIES
POINT OF LOAD DC-DC CONVERTER
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 UP TO 92% @ 3.3V FULL LOAD
• INPUT RANGE FROM 8.3VDC TO 14.0VDC
• FIXED SWITCHING FREQUENCY (300KHZ)
• SMD & SIP PACKAGES
• SMD PACKAGE QUALIFIED FOR LEADFREE REFLOW SOLDER
PROCESS ACCORDING IPC J-STD-020D
• OUTPUT VOLTAGE PROGRAMMABLE FROM 0.75VDC TO 5.0VDC
VIA EXTERNAL RESISTOR
• INPUT UNDER-VOLTAGE PROTECTION
• SAFETY MEETS UL60950-1, EN60950-1 AND IEC60950-1
• ISO9001 CERTIFIED MANUFACTURING FACILITIES
• COMPLIANT TO RoHS EU DIRECTIVE 2011/65/EU
APPLICATIONS
Wireless Network
Telecom/Datacom
OPTIONS
POSITIVE LOGIC REMOTE ON/OFF
Industry Control System
Distributed Power Architectures
Semiconductor Equipment
Microprocessor Power Applications
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 All specifications are typical at nominal input, full load and 25ºC otherwise noted
OUTPUT SPECIFICATIONS
Output current
INPUT SPECIFICATIONS
16A max
2%Vout(set)
0%
Vout(set) 3.63V
Vin(nom) =12V
8.3 ~ 14VDC
8.3 ~ 13.2VDC
10A
Input voltage range
Vout(set) >3.63V
Maximum input current Vin=8.3 to 14.0VDC; Io=Io(max)
Input filter (Note 5)
Voltage accuracy
Minimum load
C filter
Vin=Vin(min) to Vin(max)
at Full Load
Input no load current
(Vin=12V, Io=0, module enabled)
Vout(set) =0.75VDC
Vout(set) =5.0VDC
Start-up voltage
Shutdown voltage
40mA
100mA
Line regulation
Load regulation
0.3%Vout(set)
No Load to Full Load
0.4%Vout(set)
30mVrms,max
75mVp-p,max
0.4%
7.9VDC
7.8VDC
Input under voltage lockout
Ripple and noise (Note2) 20MHz bandwidth
Input reflected ripple current 5~20MHz, 1µH source impedance 30mAp-p
Temperature coefficient
ENVIRONMENTAL SPECIFICATIONS
Io / t = 2.5A/µs ,Vin(nom)
Load change step
Peak deviation
Setting time
200mV
Dynamic load
response
Operating ambient temperature
Storage temperature range
Thermal shock
–40ºC ~ +85ºC(with derating)
–55ºC ~ +125ºC
MIL-STD-810F
MIL-STD-810F
5% to 95% RH
IPC J-STD-020D
IPC J-STD-033B
Level 2a
(50% to 100% or
(Note 2)
(Vout<10%peak
deviation)
25µs
100mV
50µs
100% to 50% of Io(max))
Vibration
Relative humidity(non-condensing)
Lead-free reflow solder process
Io / t = 2.5A/µs ,Vin(nom)
Load change step
Peak deviation
Dynamic load
response
Setting time
(Vout<10%peak
deviation)
(50% to 100% or
(Note 3)
100% to 50% of Io(max))
Moisture sensitivity level(MSL)
Over temperature protection
FEATURE SPECIFICATIONS
Remote ON/OFF(Note 6)
Output current limit
180%
125ºC
Output short-circuit current
External load capacitance
Continuous, automatics recovery
ESR 1m
1000µF,max
5000µF,max
ESR 10m
Vin=Vin(min) to Vin(max)
F.L.
Negative logic(standard) ON = Open or 0V < Vr < 0.3V
2.5V < Vr < Vin(max)
IIN=10µA,max
IIN=1mA,max
Output voltage overshoot-startup
1%Vout(set)
OFF
=
Voltage adjustability (see fig.1) (Note 4)
0.7525V ~ 5.0V
Positive logic(option)
ON = Open or (Vin-4) < Vr < Vin(max)IIN=10µA,max
OFF=0V < Vr < 0.3V
Input current of Remote control pin
IIN=1mA,max
10µA~1.0mA
2.0mA
GENERAL SPECIFICATIONS
Efficiency
See table
None
Remote off state input current
Nominal Input
Remote sense range
0.5V,max
Isolation voltage
Switching frequency
300kHz 10%
Rise time
6ms,max.
Time for Vout to rise from 10% to 90%of Vout(set)
Case 1 (Note 7)
Case 2 (Note 8)
Design meets safety standard
SMD
IEC60950-1, UL60950-1, EN60950-1
3ms
3ms
Turn-on delay time
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
SIP
Weight
6.0g(0.22oz)
1.409 x 107 hrs
BELLCORE TR-NWT-000332
MIL-HDBK-217F
MTBF (Note 1)
6.704 x 105 hrs
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