SI9136LG Vishay, SI9136LG Datasheet - Page 11

• Manufacturer Part Number: SI9136LG
• Description: IC, PWM AND PSM CONVERTER CTRL, SSOP-28
• Manufacturer: Vishay

Specifications of SI9136LG

• 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: 572mW
• Termination Type: SMD
• Number Of Outputs: 3
• Duty Cycle (max): 95 %
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Switching Frequency: 200 KHz
• Operating Supply Voltage: - 0.3 V to + 36 V
• 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: 70818
S-00583—Rev. C, 03-Apr-00
SLC
REF
V
COMP
Soft-Start
ICSP
ICSN
–
+
REF
20 mV
V
Error
Amplifier
t
–
+
–
+
Error
Amplifier
C/S
Amplifier
Soft-Start
–
+
100 mV
PWMCMP
Pulse
Skipping
Control
Current
Limit
SYNC
Rectifier Control
t
FIGURE 6. PWM Flyback Block Diagram
–
+
–
+
FIGURE 5. Buck Block Diagram
PWM
Comparator
Pulse
Skipping
Control
Current Limit
5/3 ON/OFF_
Control
Logic
Control
ON/OFF
Logic
1X
_
+
BBM
DH
DL
LX_
V
BST_
L
DH
DL
BSTY
LXFY
CS_
FB_
DH
DL
www.vishay.com FaxBack 408-970-5600
FB
5
R
R
Y
X
Vishay Siliconix
FBFY
Internal voltage
divider is only
used on 5-V
output.
DHFY
DLFY
R1
R2
Si9136
11