Datasheet

µA723
PRECISION VOLTAGE REGULATORS
SLVS057D – AUGUST 1972 – REVISED JULY 1999
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
V
I
500 pF
R2
R1
R
SC
2N3997
REF
V
CC+
V
C
OUTPUT
V
Z
CURR LIM
CURR SENS
IN+
V
CC–
FREQ COMP
IN–
µA723
Regulated Output,
V
O
Figure 4. Positive-Voltage Regulator (External npn Pass Transistor)
R
SC
R1
R2
2N5001
V
I
60 Ω
REF
V
CC+
V
C
OUTPUT
V
Z
CURR LIM
CURR SENS
IN+
V
CC–
FREQ COMP
IN–
µA723
1000 pF
Regulated Output,
V
O
Figure 5. Positive-Voltage Regulator (External pnp Pass Transistor)