SI9136LG Vishay, SI9136LG Datasheet - Page 9

• 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
(Sysmon EN)
(Sysmon EN)
f
OSC EN
max
ON/OFF
f
OSC EN
max
ON/OFF
V
OSC
(SS)
REF
V
DH
D
V
V
OSC
IN
(SS)
L
L
REF
V
DH
DL
V
IN
L
2.4 V
t
BBM
FIGURE 2. Converter is Enabled Before V
FIGURE 3. Converter is Enabled After V
2.4 V
4 ms
4 ms
IN
is Applied
IN
is Applied
The converter is enabled
V
LDO is activated
after V
REF circuit is activated
after V
available
After V
2.4 V, the converter is
turned on
Oscillator is activated
Slow soft-start gradually
increases the maximum
inductor current
High-side gate drive duty
ratio gradually increases
to maximum
Low-side gate drive
IN
The converter is
enabled
V
LDO is activated
after V
REF circuit is activated
after V
available
After V
2.4 V, the converter is
turned on
Oscillator is activated
Slow soft-start gradually
increases the maximum
inductor current
is applied
www.vishay.com FaxBack 408-970-5600
IN
IN
L
is applied
REF
becomes
is applied
IN
L
REF
becomes
goes above
Vishay Siliconix
is applied
goes above
Si9136
9