150QBW4_2.25 Series
150W Quarter-Brick - Single Output DC-DC Converter - Wide Input - Isolated & Regulated
DC-DC Converter
150 Watt
Wide Input voltage range (4:1)
High efficiency up to 91%
Short circuit protection (SCP)
Input under-voltage, over-
current, over–voltage, over-
temperature protection
Isolation: 2.25KVDC
Operating temperature range:
-40°C to +85°C
The 150QBW4_2.25 series offers 4:1 input voltage, efficiency up to 91%,
2250VDC isolation, Input under-voltage protection, output short circuit
protection, over-current protection, over–voltage protection, over-
temperature protection and EMI meets CISPR32/EN55032 CLASS A by ad-
ding module recommended circuit.
Five-sided metal shielding
package
International standard pin-out:
1/4 brick
All models are widely applied in battery power supplies, industrial
control, electricity, instruments, railway, communication and intelligence
robot fields.
Common specifications
Short circuit protection*:
Cooling:
Output specifications
Hiccup, continuous, automatic recovery
Natural or forced convection
-40°C~+85°C
Item
Test condition
Min
Typ
1
Max
3
Units
%
Output voltage
accuracy
Operation temperature range:
Storage temperature range:
Over temperature protection:
Pin welding resistance temperature:
Line regulation
Load regulation
0.2
0.5
0.5
%
-55°C ~+125°C
0.75
%
+105°C TYP
Transient recovery
time
25% load step change
25% load step change
300
500
µs
300°C MAX, 1.5mm from case for 10sec.
260°C MAX, Wave-soldering, 10sec.
Transient response
deviation
3
5
%
Storage humidity range:
Vibration:
< 95%
IEC/EN61373 car body 1 B mold
90%Vo MIN, 110%Vo MAX
105%Vo MAX
Temperature
coefficient
0.03 %/°C
Trim:
Ripple & Noise*
20MHz Bandwidth
150
130
250
mVp-p
%Vo
Sense:
Output over-voltage Input voltage range
protection
110
110
160
Case material:
MTBF:
Plastic [UL94-V0] / aluminium
500,000 hours
Output over-current Input voltage range
protection
130
150
%Io
Dimensions:
61.8*40.2*12.7 mm
62.0*56.0*14.6 mm (with base-plate)
61.8*40.2*27.7 mm (with heatsink)
Switching frequency
PFM mode
250
KHz
Weight:
83g
*Test ripple and noise by “parallel cable” method.
103g (with base-plate)
114g (with heatsink)
Isolation specifications
Item
Test condition
Min
Typ
Max
Units
Input specifications
Isolation voltage*
• Input-output
• Input-case
• Output-case
2250
1500
500
VDC
VDC
VDC
Item
Test condition
Min Typ
3435/
Max
Units
mA
Input current
full load/no load,
nominal Vin
3512/
200
Isolation resistance
Insulation voltage
500VDC
100
MΩ
100
Reflected ripple
current
Nominal Vin
100
mA
Isolation capacitance Input-output,
100KHz/0.1V
2200
pF
Surge voltage
1sec. max.
100% load
-0.7
14
90
18
VDC
VDC
* Tested for 1 minute and leak current less than 5mA
Start-up threshold
voltage
Input under
voltage protection
16
VDC
Example:
150QBW4_4812S2.25
150= 150 Watt; QB= Quarter-Brick; W4= Wide input (4:1);
Input filter
Hot plug
Pi filter
48= 18-75 Vin; 12= 12Vout; S= Single Output; 2.25= 2.25kVDC isolation
Unavailable
Ctrl
• Module switch ON
Ctrl open circuit or connected to
TTL high level (3.5-12VDC)
Ctrl pin connected to GND or low
level (0-1.2VDC)
Note:
(the voltage of Ctrl
pin is relative to input
pin GND)
1. Operation under minimum load will not damage the converter; However, they
may not meet all specification listed, and that will reduce the life of product.
2. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage
and rated output load unless otherwise specified.
• Module switch OFF
• Input current when
switched OFF
2
10
mA
3. In this datasheet, all the test methods of indications are based on corporate
standards.
Page 1 of 6
150QBW4_2.25 – Rev. 2018-1.0
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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