RC4194 Просмотр технического описания (PDF) - Fairchild Semiconductor

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RC4194

Dual Tracking Voltage Regulators

Fairchild Semiconductor 

PRODUCT SPECIFICATION

RC4194

Typical Applications (continued)

0.001µF

+VS

Comp+

+VS

4194

-VS

-VS

R SET Comp- Gnd

71.5K

+VOUT

R0 -VOUT

R0

+VOUT = +15V

To Additional

Op Amps

4.7µF**

741

(Typically 180 741s)

-VOUT = -15V

To Additional

Op Amps

4.7µF

0.001µF

R O (k½) = 2.5 V OUT

Figure 6. Balanced Output Voltage — Op Amp Application

65-0204

2

In

6

Out

REF-02

Gnd

4

0.01µF

4.87K

R2

250

-VS

CC

0.001

14 3

15 Ref+ -VS

Ref-

16 13

IO

Comp +VS I O 4

1 VLC

B1

DAC-08

IO 2

B8

R1

2.49K

5 6 7 8 9 10 11 12

MSB

LSB

Binary Inputs

+VS = +25V

7

5

Comp + +VS

VOUT = 4 I O R1

6

+V O

+VOUT (0 to +19.92V)

2 R 0 RC4194K

10µF

3 RSET

-VO 1

NC Comp- -VS

Gnd

9

Case 4

0.001

-VOUT (0 to -19.92V)

10µF

Adjust R2 for -19.92V at -VOUT with all "1s" at binary inputs,

then optionally adjust R3 for +19.92V at +VOUT

65-1725

-VS = -25V

RC4194K

Optional Tracking

Adjustment

+Vo 6

R3

Bal 8 100K

100K

-Vo 1

Figure 7. Digitally Controlled Dual 200 mA Voltage Regulator

6

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