LM32 datasheet(7/12 Pages) NSC

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Typical Applications (Continued)

Wide Range Tracking Regulator

TLH7767 – 7

Resistor tolerance of R1 and R2 determine matching of (a) and (b)

inputs

Necessary only if raw supply capacitors are more than 3

from regulators

An LM3086N array may substitute for Q1 D1 and D2 for better stability and

tracking In the array diode transistors Q5 and Q4 (in parallel) make up D2

similarly Q1 and Q2 become D1 and Q3 replaces the 2N2222

Variable Output

TLH7767 – 9

Optional Improves transient response and ripple rejection

VOUT e VSET

R1aR2

SELECT R2 AS FOLLOWS

LM120-5

300X

LM120-12

750X

LM120-15

Current Source

IOUT e 1mA a

50V

TLH7767 – 8

15V 1 Amp Tracking Regulators

TLH7767 – 12

Performance (Typical)

Load Regulation at DIL e 1A

10 mV

1 mV

Output Ripple CIN e 3000 mF IL e 1A

100 mVrms

Temperature Stability

50 mV

Output Noise 10 Hz s f s 10 kHz

150 mVrms

Resistor tolerance of R4 and R5 determine matching of (a) and

(b) outputs

Necessary only if raw supply filter capacitors are more than 2

from regulators

Light Controllers Using Silicon Photo Cells

TLH7767 – 10

Lamp brightness increases until iI e 5VR1 (iI can be set as low as 1 mA)

Necessary only of raw supply filter capacitor is more than 2

from

LM320MP

TLH7767 – 11

Lamp brightness increases until iI eiQ (1 mA) a 5VR1

Necessary only if raw supply filter capacitor is more than 2

from LM320

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