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SI-8033JF (IC191) / SI-8050JF (IC192) / SI-8090JF (IC193) : Switching regulator
1. Block diagram
1
Vin
PReg
5
ON/OFF
ON/OFF
Soft-
Start
MM1563DF-X (IC615) : Regulator
1. Pin layout
7
6
1
2
3
3. Pin function
Pin No.
Symbol
1
Vout
2
NC
3
GND
4
Cn
5
Cont
6
Sub
7
Vin
Over-current
protection
Reset
Oscillator
+
-
Comparator
Error amp
+
-
Standard
voltage
3
GND
5
4
Function
Output pin
No connection
Ground
Noise decrease pin
Control pin
Substrate
Input pin
2
SW OUT
Latch
&
Driver
VOS
Heating
protection
4
2. Block diagram
Vin
Bias
Thermal
Cont
shutdown
GND
Current
Reference
Driver
limitter
Cn
RX-DV5RSL
Vo
1-51
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