SI9137LG Vishay, SI9137LG Datasheet - Page 6

• 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

Si9137
Vishay Siliconix
www.vishay.com
6
TYPICAL WAVEFORMS
PSM Operation 5-V Converter
PSM to PWM 5-V Converter
PWM Loading 5-V Converter
10.0 ms/div
20.0 ms/div
100 ms/div
(V
(V
(V
IN
IN
IN
= 10 V)
= 10 V)
= 10 V)
Inductor Node
(L X5)
Inductor Current
(1A/div)
V
(100 mV/div)
Load
(1 A/div)
V
(100 mV/div)
Load
(1 A/div)
V
(100 mV/div)
OUT
OUT
OUT
PWM Operation 5-V Converter
PWM Unloading 5-V Converter
PWM to PSM 5-V Converter
2.00 ms/div
20.0 ms/div
100 ms/div
(V
(V
(V
IN
IN
IN
= 10 V)
= 10 V)
= 10 V)
S-40808—Rev. C, 26-Apr-04
Document Number: 70874
Inductor Node
(L X5)
Inductor Current
(1A/div)
V
(100 mV/div)
Load
(1 A/div)
V
(100 mV/div)
Load
(1 A/div)
V
(100 mV/div)
OUT
OUT
OUT