CA723 Intersil Corporation, CA723 Datasheet - Page 9

• Manufacturer Part Number: CA723
• Description: Voltage Regulators Adjustable from 2V to 37V at Output Currents Up to 150mA without External Pass Transistors
• Manufacturer: Intersil Corporation

Typical Application Circuits
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-
out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
NOTE: For applications employing the TO-5 Style Package and
NOTE: 1. A current limiting transistor may be used for shutdown if
FIGURE 28. REMOTE SHUTDOWN REGULATOR CIRCUIT
FIGURE 26. POSITIVE FLOATING REGULATOR CIRCUIT
R
R
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
1
2
V
Circuit Performance Data:
Line Regulation ( V
Load Regulation ( I
Short Circuit Current 20mA
D
12V
SK3062
REF
1
where V
be connected in series with V
2. Add a diode if V
INPUT
3k
3k
NON
R
R
INV
current limiting is not required.
4
3
V
I
WITH CURRENT LIMITING
INPUT
Circuit Performance Data:
Line Regulation ( V = 20V) 15mV
Load Regulation ( I
NON
INV.
Z
V+
V-
is required, an external 6.2V zener diode should
V
REF
R
R
COMP
V
1
2
I
L
C
C
0.001 F
CURRENT
LIMIT
CURRENT
SENSE
= 3V) 0.5mV
1
= 50mA) 1.5mV
O
V+
> 10V.
V-
3-11
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INV.
INPUT
V
COMP
O
L
R
V
2k
= 50mA) 20mV
INV.
INPUT
CURRENT
LIMIT
CURRENT
SENSE
R
2N3053
SCP
C
O
3
3.9k
V
V
(terminal 6)
O
Z
R
5
TI
NOTE 2
C
0.001 F
(Continued)
1
2.k
R
REGULATED
OUTPUT 5V
4
TI
2N3442
R
1
REGULATED
OUTPUT-50V
V
SCP
I
= 85V
CCSL
LOGIC
INPUT
CA723, CA723C
NOTE: For applications employing the TO-5 Style Package and
NOTE: For applications employing the TO-5 Style Package and
FIGURE 27. NEGATIVE FLOATING REGULATOR CIRCUIT
R
R
SK3062
1
2
V
R
R
10k
REF
12V
1
R
where V
be connected in series with V
2
D
should be connected in series with V
where V
5
1
INPUT
FIGURE 29. SHUNT REGULATOR CIRCUIT
INV
Circuit Performance Data:
Line Regulation ( V
Load Regulation ( I
Circuit Performance Data:
Line Regulation ( V
Load Regulation ( I
Z
Z
is required, an external 6.2V zener diode should
V+
V-
V
is required, an external 6.2V zener diode
REF
NON
INV.
INPUT
R
3k
R
3k
3
4
V
COMP
C
0.005 F
C
C
CURRENT LIMIT
CURRENT SENSE
1
V+
V-
V
V
NON INV.
INPUT
O
I
Z
COMP
I
L
= 10V) 0.5mV
V
= 20V) 30mV
100
L
=100mA) 20mV
C
O
R
= 100mA) 1.5mV
INV.
INPUT
CURRENT
LIMIT
CURRENT
SENSE
0.001 F
3
(terminal 6)
V
V
O
Z
C
1
O
R
100
V
(terminal 6).
10k
4
I
R
REGULATED
OUTPUT 5V
6
REGULATED
OUTPUT-100V
TI
2N6211
V
I