English
Language : 

DOS30-05T Datasheet, PDF (1/3 Pages) Power Mate Technology Co., LTD – Non-isolated Point of load DC/DC converters
FEATURES
• OUTPUT CURRENT UP TO 30A
• SMALL SIZE AND LOW PROFILE :
1.30” X 0.53” X 0.35”(SMD) ; 2.00” X 0.50” X 0.35” (SIP)
• HIGH EFFICIENCY UP TO 93%@5VIN, 3.3Vo, 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
• FIXED SWITCHING FREQUENCY (300KHZ)
• MONOTONIC START-UP INTO PRE-BIASED OUTPUT
• OUTPUT VOLTAGE SEQUENCING
• PARALLEL OPERATION WITH ACTIVE CURRENT SHARING
• DESIGN MEETS UL60950-1, EN60950-1 AND IEC60950-1
• ISO9001 CERTIFIED MANUFACTURING FACILITIES
APPLICATIONS
• COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
Wireless Network
Telecom/Datacom
Industry Control System
OPTIONS
Positive Logic Remote on/off, Current Share, Extra GND Pin, Long Pins
Distributed Power Architectures
Semiconductor Equipment
Microprocessor Power Applications
DESCRIPTION
DOS30 (SMD type), DOH30 (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 A T I O N All specifications are typical at nominal input, 3.3Vo, full load and 25ºC otherwise noted
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
Output current
Voltage accuracy
Minimum load
DOS30-05T
30A max.
DOS30-05T
Vin(nom) =5V 4.5 – 5.5VDC
DOH30-05T
DOS30-12T 0.8≦Vo≦2.75V
2.75<Vo≦3.63V
30A max.
30A max. Input voltage range
20A max.
DOH30-05T
DOS30-12T
Vin,min=Vo(set)+1.5V
Vin(nom) =12V 6.0 – 14.0VDC
DOH30-12T 0.8≦Vo≦2.75V
30A max.
DOH30-12T
Vin,min=Vo(set)+2.4V
2.75<Vo≦5.5V
25A max. Maximum input current Vin(min) to Vin(max); Io=Io(max)
27A
Full load and Vin(nom)
± 1.5%Vo(set)
0% Input filter (Note 5)
C filter
Line regulation
Vin=Vin(min) to Vin(max)
at Full Load
Input under-voltage
± 0.1%Vo(set),typ. lockout
Start-up voltage
Shutdown voltage
4.4V,typ.
4.3V,typ.
Load regulation
No Load to Full Load
Ripple and noise (Note 2) 20MHz bandwidth
± 0.4%Vo(set),typ. Input reflected ripple
75mVp-p current (Note 6)
5~20MHz, 1uH source impedance
100mAp-p
Temperature coefficient
Dynamic load ΔIo /Δt = 5A/uS ,Vin(nom) Peak deviation
response
Load change step
Setting time
(Note 2)
(50% to 100% or
(Vo<10%peak
100% to 50% of Io(max)) deviation)
Dynamic load ΔIo /Δt = 5A/uS ,Vin(nom) Peak deviation
response
Load change step
Setting time
(Note 3)
(50% to 100% or
(Vo<10%peak
100% to 50% of Io(max)) deviation)
±0.5%, typ. ENVIRONMENTAL SPECIFICATIONS
350mV,typ.
Operating ambient temperature
–40ºC ~ +85ºC(with derating)
25μS,typ. Storage temperature range
–55ºC ~ +125ºC
250mV,typ. Thermal shock
Over temperature protection
40μS,typ.
FEATURE SPECIFICATIONS
MIL-STD-810F
125ºC,typ.
Output current limit
150%, typ. Sequencing delay time (Note 7)
10msec,min.
Output short-circuit current
Hiccup, Automatics recovery
External load capacitance
ESR≧1mΩ
ESR≧10mΩ
2000uF,max. Tracking accuracy
10000uF,max.
Power-up (2V/ms)
∣VSEQ-Vo∣
Vin(min) to Vin(max); Io(min) to 100mV, typ.
Output
voltage
overshoot-startup
Vin=Vin(min) to
Vin(max); F.L.
Power-down (1V/ms) Io(max); VSEQ < Vo.
3%Vo(set), max. Active load share (option)
Accuracy
200mV, typ.
10% Io
Voltage adjustability (see fig.1)
(Note 4)
DOS30-05T
DOH30-05T
DOS30-12T
DOH30-12T
0.8VDC ~ 3.63VDC
0.8VDC ~ 3.63VDC
0.8VDC ~ 3.63VDC
(Note 8)
Remote ON/OFF (Note 9)
Negative logic(standard)
0.8VDC ~ 5.5VDC Positive logic(option)
Number of units in parallel
5,max.
ON = -0.3V < Vr < 1.2V
IIN=200μA,max.
OFF = 3.0V < Vr < Vin(max) IIN=3.3mA,max.
ON = 3.0V < Vr < Vin(max) IIN=200μA,max.
GENERAL SPECIFICATIONS
OFF= -0.3V < Vr < 1.2V
IIN=3.3mA,max.
Efficiency
See table Remote sense range
Isolation voltage
Switching frequency
Design meet safety standard
Dimensions
SMD
SIP
None Rise time Time for Vo to rise from 10% to 90%of Vo(set)
300KHz, typ.
IEC60950-1, UL60950-1, EN60950-1 Turn-on delay time
1.30 X 0.53 X 0.35 Inch
Case 1 (Note 10)
Case 2 (Note 11)
(33.0 X 13.5 X 8.8 mm)
2.00 X 0.50 X 0.35 Inch
(50.8 X 12.7 X 8.8 mm)
Weight
MTBF (Note 1)
SMD
SIP
BELLCORE TR-NWT-000332
MIL-HDBK-217F
6.0g(0.21oz)
7.0g(0.25oz)
3.145 x 106 hrs
3.626 x 105 hrs
0.5V, max.
10ms, max.
2.5ms, typ.
2.5ms, typ.
Page 1 of 3 Issued Date:2007/10/15