SI9137LG Vishay, SI9137LG Datasheet - Page 7

• Manufacturer Part Number: SI9137LG
• Description: IC, PWM AND PSM CONVERTER CTRL, SSOP-28
• Manufacturer: Vishay

Specifications of SI9137LG

• Primary Input Voltage: 15V
• No. Of Outputs: 5
• Output Voltage: 12V
• Output Current: 1A
• No. Of Pins: 28
• Operating Temperature Range: 0°C To +90°C
• Power Dissipation Pd: 762mW
• Termination Type: SMD
• Duty Cycle (max): 95 %
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Switching Frequency: 330 KHz
• Maximum Operating Temperature: + 90 C
• Minimum Operating Temperature: 0 C
• Synchronous Pin: No
• Topology: Boost, Buck, Flyback
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Document Number: 70874
S-40808—Rev. C, 26-Apr-04
TYPICAL WAVEFORMS
PSM to PWM 3-V Converter
PWM Loading 3-V Converter
20.0 ms/div
50.0 ms/div
(V
(V
IN
IN
= 10 V)
= 10 V)
250-mA Transient Adjustable Converter
V
(100 mV/div)
Load
(1 A/div)
V
(100 mV/div)
Load
(1 A/div)
OUT
OUT
(Output Set To 12 V)
(V
200 ms/div
IN
= 10 V)
PWM Unloading 3-V Converter
PWM to PSM 3-V Converter
V
(100 mV/div)
Load Current
(100 mA/div)
OUT
50.0 ms/div
20.0 ms/div
(V
(V
IN
IN
= 10 V)
= 10 V)
Vishay Siliconix
V
(100 mV/div)
Load
(1 A/div)
V
(100 mV/div)
Load
(1 A/div)
OUT
OUT
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Si9137
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