Features Lead frame injection Technology High Efficiency Input Ou
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LF-Series
Features
Lead frame injection Technology High Efficiency Input Output Isolation1000 100% Burn-In Input Filter with Internal Capacitor Custom Design Available Weight1.6 Typical RoHS Converter Certified
Watt Single/Dual DC-DC Converter
Model Selection Guide
(Specifications typical +25, Nominal input voltage, Rated output current unless otherwise noted) Input Output Output Input Current Input Current Output Load Efficiency Voltage Voltage Current Load @Max. Load Ripple Regulation (%)Typ. (Vdc) (Vdc) (mA) (mA) Typ. (mA) Typ. (mV) Max. Max.
Bothhand Model
Single Output Series ST1-05S3R3 ST1-05S05 ST1-05S09 ST1-05S12 ST1-05S15 ST1-12S3R3 ST1-12S05 ST1-12S09 ST1-12S12 ST1-12S15 ST1-24S3R3 ST1-24S05 ST1-24S09 ST1-24S12 ST1-24S15 ST1-xxSxx 12.0 15.0 12.0 15.0 12.0 15.0
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
LF-Series
Dual Output Series ST1-05D05 ST1-05D09 ST1-05D12 ST1-05D15 ST1-12D05 ST1-12D09 ST1-12D12 ST1-12D15 ST1-24D3R3 ST1-24D05 ST1-24D09 ST1-24D12 ST1-24D15 ST1-xxDxx 12.0 15.0 12.0 15.0 12.0 ±100 ±100 ±100 ±100
Watt Single/Dual DC-DC Converter
Notes
Load regulation Each output current change from 100% .Load
Absolute maximum ratings
(Exceeding these values damage module. These continuous operating ratings) Parameter Condition Input Model Input Absolute Voltage Range Input Model Input Model Max. Output power Output Short circuit duration Operation temperature* Storage temperature` Lead Temperature from case seconds Peak airflow temperature with CECC 00802 profile measured case plate temperature. Output Full Load Min. -0.7 -0.7 -0.7 -Typ. -Max. +125 +300 +280 Second Unit
Nominal Input/Output Electrical Specifications
(Specifications typical Parameter ,nominal input voltage, rated output current unless otherwise noted) Condition Min. Typ. Max. Unit
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
LF-Series
Input Voltage Range Output Voltage Accuracy Output Voltage Balance Switching Frequency Temperature Coefficient Isolation Voltage Isolation Resistance Isolation Capacitance
Watt Single/Dual DC-DC Converter
Input Model Input Model Input Model Nominal Input Dual Output same Load Nominal Input Second 500Vdc Input Model Input Model Input Model 10.8 21.6 -1000 1000 ±1.0 -100 ±0.01 -5.5 13.2 26.4 ±3.0 ±1.0 ±0.02
Max. Line Regulation (Per1.0% change input change)
General Specification
Isolation Voltage Isolation Resistance Operating Temperature Operating Temperature Storage Temperature Humidity Cooling Case Type 1000 1000 Min. +125 Free convection Non-Conductive Plastic Test duration Seconds Ambient Temperature with Natural convention Case Surface Temperature
Naming System
Power Derating Curve
Temperature derating graph
ST1-xx
Device Family Input Voltage Single Output;"D" Dual Output Output Voltage
RoHS Converter Certified
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
LF-Series
Vout=
Efficiency
Watt Single/Dual DC-DC Converter
Efficiency&Output Load Chart
Vout=
Efficiency
100.0 120.0 140.0 160.0 180.0 200.0 20.0 40.0 60.0 80.0
100.0 120.0 140.0 160.0 180.0 200.0
20.0 40.0 60.0 80.0
Output Load (mA)
Output Load (mA)
Vout=
Efficiency
Efficiency
Vout=
10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0
100.0 110.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0
Output Load (mA)
Output Load (mA)
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
84.0
LF-Series
Mechanical Dimension
Single Output Series
12.80 (0.50) 8.20 (0.32) 7.62 (0.30)
Watt Single/Dual DC-DC Converter
ST1-05S05
11.20 (0.44)
Single -Vin +Vin
2.54 (0.10)
7.25 (0.29) 0.60 (0.02)
7.00 (0.28)
0.25 (0.01)
Note available
1.50 (0.06) ~10°
electrical connection.
Dual Output Series
KVdc Single -Vin +Vin Common
Note available electrical connection
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
LF-Series
Single Output Series
Watt Single/Dual DC-DC Converter
Recommended footprint details
Dual Output Series
-Vin +Vin
12.20 (0.47) 1.70 (0.07) 1.00 (0.039)
Units (inch) Tolerance 0.xx 0.25(0.xx 0.01)
Package
Single Output Series
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
LF-Series
Dual Output Series
Watt Single/Dual DC-DC Converter
Bothhand Enterprise Inc.
Series Spec-061003 www.bothhand.com.cn E-mail: kpsample1@bohhand.com.cn
Page
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