DOS(H)30 SERIES
POINT OF LOAD DC-DC CONVERTER
FEATURES
• OUTPUT CURRENT UP TO 30A
• SMALL SIZE AND LOW PROFILE :
DOS30-05T:1.30 X 0.53 X 0.37 INCH , DOH30-05T:2.00 X 0.50 X 0.37 INCH
DOS30-12T:1.30 X 0.53 X 0.31 INCH , DOH30-12T:2.00 X 0.50 X 0.31 INCH
• HIGH EFFICIENCY UP TO 93%@5VIN, 3.3VOUT, FULL LOAD
• DOS(H)30-05T : 4.5VDC TO 5.5VDC INPUT, 0.8VDC TO 3.63VDC OUTPUT
DOS30-12T : 6.0VDC TO 14.0VDC INPUT, 0.8VDC TO 3.63VDC OUTPUT
DOH30-12T : 6.0VDC TO 14.0VDC INPUT, 0.8VDC TO 5.5VDC OUTPUT
OUTPUT VOLTAGE PROGRAMMABLE VIA EXTERNAL RESISTOR
• SMD PACKAGE QUALIFIED FOR LEADFREE REFLOW SOLDER
PROCESS ACCORDING IPC J-STD-020D
• FIXED SWITCHING FREQUENCY (300kHZ)
• MONOTONIC START-UP INTO PRE-BIASED OUTPUT
• OUTPUT VOLTAGE SEQUENCING
• PARALLEL OPERATION WITH ACTIVE CURRENT SHARING
• SAFETY MEETS UL60950-1, EN60950-1 AND IEC60950-1
• ISO9001 CERTIFIED MANUFACTURING FACILITIES
• COMPLIANT TO RoHS EU DIRECTIVE 2011/65/EU
OPTIONS
POSITIVE LOGIC REMOTE ON/OFF, CURRENT SHARE,
EXTRA GND PIN, LONG PINS
DESCRIPTION
APPLICATIONS
Wireless Network
Telecom/Datacom
Industry Control System
Distributed Power Architectures
Semiconductor Equipment
Microprocessor Power Applications
DOS30-
T (SMD type), DOH30
T (SIP type) are non-isolated DC/DC converters
that can deliver up to 30A of output current with full load efficiency of 93% at 5.0V input
and 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, 3.3Vo, full load and 25ºC otherwise
INPUT SPECIFICATIONS
OUTPUT SPECIFICATIONS
DOS30-05T
DOH30-05T
DOS30-12T 0.8 Vout 2.75VDC
2.75<Vout 3.63VDC
DOH30-12T 0.8 Vout 2.75VDC
2.75<Vout 5.5VDC
30A max.
30A max.
30A max.
20A max.
30A max.
25A max.
DOS30-05T
Vin(nom) =5VDC
4.5 ~ 5.5VDC
Vin,min.=Vout(set)+1.5VDC
DOH30-05T
Input voltage range
DOS30-12T
Vin(nom) =12VDC 6.0 ~ 14.0VDC
Vin,min.=Vout(set)+2.4VDC
Output current
DOH30-12T
Input filter (Note 5)
C filter
Input under-voltage
lockout
Start-up voltage
Shutdown voltage
4.4VDC
4.3VDC
Voltage accuracy
Minimum load
1.5%Vout(set)
0%
Input reflected ripple
current
Vin=Vin(min.) to Vin(max.)
at Full Load
5~20MHz, 1uH source impedance
100mAp-p
Line regulation
0.1%Vout(set)
Load regulation
No Load to Full Load
0.4%Vout(set)
75mVp-p
0.5%
ENVIRONMENTAL SPECIFICATIONS
Ripple and noise (Note 2) 20MHz bandwidth
Temperature coefficient
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
Iout/t = 5A/µs ,Vin(nom)
Peak deviation
Setting time
(Vout<10%peak
350mV
Dynamic load
Load change step
response
Vibration
(50% to 100% or
(Note 2)
25µs
250mV
40µs
Relative humidity(non-condensing)
Lead-free reflow solder process
100% to 50% of Iout(max.)) deviation)
Iout/t = 5A/µs ,Vin(nom)
Peak deviation
Setting time
(Vout<10%peak
Dynamic load
response
(Note 3)
Load change step
(50% to 100% or
Moisture sensitivity level(MSL)
Over temperature protection
125ºC
100% to 50% of Iout(max.)) deviation)
Output current limit
150%
Hiccup, Automatics recovery
2000µF,max.
FEATURE SPECIFICATIONS
Sequencing delay time (Note 6)
Output short-circuit current
10ms, min.
ESR 1m
ESR 10m
External load capacitance
Tracking accuracy
VSEQ -Vout
10000µF,max.
Power-up (2V/ms)
100mV
200mV
Vin(min) to Vin(max), Iout(min.)
to Iout(max.), VSEQ < Vout.
Accuracy
Vin=Vin(min.) to
Vin(max.) and F.L.
DOS30-05T
Output voltage overshoot-startup
3%Vout(set), max.
Power-down (1V/ms)
Active load share (option)
(Note 7)
10% Iout
5pcs,max.
0.8VDC ~ 3.63VDC
0.8VDC ~ 3.63VDC
0.8VDC ~ 3.63VDC
0.8VDC ~ 5.5VDC
Number of units in parallel
Voltage adjustability (see fig.1) DOH30-05T
(Note 4)
Remote ON/OFF (Note 8)
Negative logic(standard)ON = Open or -0.3V < Vr < 1.2V
OFF 3.0V < Vr < Vin(max.)
DOS30-12T
DOH30-12T
IIN=200µA,max.
IIN=3.3mA,max.
=
GENERAL SPECIFICATIONS
Positive logic(option)
ON = Open or 3.0V < Vr < Vin(max.) IIN=200µA,max.
OFF= -0.3V < Vr < 1.2V
IIN=3.3mA,max.
Efficiency
See table
None
Remote sense range
0.5V, max.
Isolation voltage
Rise time Time for Vout to rise from 10% to 90%of Vout(set) 10ms, max.
Switching frequency
Design meet safety standard
300kHz 13%
Case 1 (Note 9)
Case 2 (Note 10)
2.5ms
2.5ms
IEC60950-1, UL60950-1, EN60950-1
Turn-on delay time
DOS30-05T
DOS30-12T
DOH30-05T
DOH30-12T
SMD
1.30X0.53X0.37 Inch (33.0X13.5X9.4 mm)
1.30X0.53X0.31 Inch (33.0X13.5X7.8 mm)
Dimensions
2.00X0.50X0.37 Inch (50.8X12.7X9.4 mm)
2.00X0.50X0.31 Inch (50.8X12.7X7.8 mm)
6.0g(0.21oz)
7.0g(0.25oz)
Weight
MTBF
(Note 1)
SIP
BELLCORE TR-NWT-000332
MIL-HDBK-217F
3.145 x 106 hrs
3.626 x 105 hrs
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2013/5/3
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