SI9137LG Vishay, SI9137LG Datasheet - Page 5
![IC, PWM AND PSM CONVERTER CTRL, SSOP-28](/photos/18/99/189938/3833516_sml.gif)
SI9137LG
Manufacturer Part Number
SI9137LG
Description
IC, PWM AND PSM CONVERTER CTRL, SSOP-28
Manufacturer
Vishay
Datasheet
1.SI9137LG.pdf
(15 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI9137LG
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Document Number: 70874
S-40808—Rev. C, 26-Apr-04
PIN DESCRIPTION
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Pin
27
28
100
90
80
70
60
50
0.001
Symbol
Efficiency vs. 3.3-V Output Current
V
Frequency = 300 kHz
IN
CS
FB
= 6 V
0.01
3
3
Current (A)
Feedback for 3.3-V buck.
Current sense input for 3.3-V buck.
30 V
5 V, 12 V No Load
0.1
85
80
75
70
65
60
55
0.001
15 V
Efficiency vs. 5- to 12-V Adjustable Output
1
Frequency = 300 kHz
Current (Output Set to 12 V)
10
0.01
Current (A)
30 V
5 V, 3.3 V No Load
V
IN
0.1
= 15 V
Description
100
90
80
70
60
50
0.001
V
Frequency = 300 kHz
IN
Efficiency vs. 5.0-V Output Current
6 V
= 6 V
0.01
1
30 V
Current (A)
3.3 V, 12 V No Load
0.1
Vishay Siliconix
1
15 V
www.vishay.com
Si9137
10
5