TSM112 STMicroelectronics, TSM112 Datasheet - Page 4

• Manufacturer Part Number: TSM112
• Description: 3.3V 5V 12V HOUSEKEEPING IC
• Manufacturer: STMicroelectronics

TSM112
Figure 1 : Figure 1: Application Schematic
Figure 2 : Internal Schematic
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~
POWER
SUPPLY
OUTPUT
FROM
MAIN
CONV.
TO
PRIMARY
RECT.
12V
5V
3.3V
12V
5V
3.3V
Vs12
Vs5
Vs33
Ep
Vref
PWM + OPTO
PWM + OPTO
MAIN
CONV.
+ Vref
AUX.
CONV.
+ Vref
OVP
UVP
Vref
FAULT
TSM112
Vcc
Gnd
HOUSEKEEPING
SECONDARY
12V
5V
3.3V
Vcc
5Vstby
Over & Undervoltage Protection
Reference
Logic
Sequencer
BLANK
LOGIC
UV
TSM112
PI
PG
FAULT
REM
Trem
Tpg
Tuv
5Vstby
12V
5V
3.3V
PG
REM