Casio 240CR

— 19 —
L
O
A
D
Yout = +5V
Cout
L1
D1
Gnd
OUTPUT
Current
Limit
2
3
Reset
Thermal
Shoutdown
Driver
I AMP.
SWITCH
Comparator
52KHz
Oscillator
1.2dY
Bend-Cep
Reference
Fixed Csin
Error Amp.
Feed
Back
3.1K
1.0K
Y DT
C IN

Unregulated
DC Input
+
+
-
+
-
Internal
Regulator
ON/OFF
ON/OFF
Note: Pin numbers are for Imo
TO•220 package.
51
4
3. LM2575T-5. 0/LB03
4. S80730AL
1 2 3
RA
RB
RC
OUT
-V
REF
V DD
V SS
1
-
+
1 OUT
2 VDD
3 Vss