SI9137LG-E3 Vishay, SI9137LG-E3 Datasheet - Page 5

• Manufacturer Part Number: SI9137LG-E3
• Description: IC,SMPS CONTROLLER,CURRENT-MODE,BICMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Vishay

Specifications of SI9137LG-E3

• Duty Cycle (max): 95 %
• Output Voltage: 3.3 V, 5 V, 5 V to ADJ V
• Output Current: 1000 mA
• 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: Lead free / RoHS Compliant

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