Type Switching Regulator (Ic20 - Epson LQ-1050 Technical Manual

REV.-A
A.1.16 STR20005 Chopper-Type Switching Regulator
The STR20005 is a chopper type switching regulator IC which obtains a stable output voltage of +5V.
I
Maximum Rating (Ta=25°C)
[A]
45 2.0
Fig. A-29. STR20005 Pin Diagram
4
TR I
.
—
- - ,L-—— 1
I
I
I
I
I
Fig. A-30. STR20005 Equivalent Circuit
Table A-1 1. STR20005 Specification
ToP ["C]
100
75
–20
to
: R3
i
I
I
VOLTAGE
I T
'c'
Electric Characteristic
I
11-40
A-28
3
0
2
I
:
R5
Ripple Atteneter [dB]
45
I
1