Philips Semiconductors

Product specification

µA723/723C

Precision voltage regulator

1994 Aug 31

5

(VIN – VOUT) — V

Line Transient Response

Load Regulation as a

Function of Input-Output

Voltage Differential

Current Limiting

Characteristics

4.0

2.0

0

INPUT VOLTAGE

OUTPUT VOLTAGE

0

–2.0

–4.0

–5

5

15

25

35

45

–6.0

TIME —

µs

+0.2

+0.1

0

0.1

–0.2

–0.3

–5

5

25

15

35

45

VO = +5V

RSC = 0

TA = +25°C

VIN = +12V

IIL = mA TO IL = 50mA

1.2

0

OUTPUT CURRENT — mA

1.0

0.8

0.6

0.4

0.2

0

20

40

60

80

100

TA = 0°C

TA = –55°C

TA = +25°C

TA = +70°C

TA = +125°C

VO = +5V

RSC = 10Ω

VIN = +12V

SL00506

Figure 4. Typical Performance Characteristics (cont.)

TYPICAL APPLICATIONS

NOTES:

V

OUT +

V

REF

x

R

2

R

1 )

R

2

R

3 +

R

1

R

2

R

1 )

R

2

for minimum temperature drift

V

OUT +

V

REF

2

x

R

1 )

R

2

R

1

; R

3 +

R

4

NOTE:

Negative Voltage Regulator

CREF

R2

R1

COMP

V–

100pF

C1

R3

RSC

VC

V+

VIN

REGULATED

OUTPUT

VREF

VOUT

CL

CS

INV

N.I.

VREF VOUT

CL

CS

INV

N.I.

VZ

R4

R3

COMP

100pF

C1

REGULATED

OUTPUT

R1

R2V+

VC

R5

T1

SL00507

Figure 5. Typical Applications