TK11545 Ver la hoja de datos (PDF) - Toko America Inc

Número de pieza

componentes Descripción

Fabricante

TK11545

VOLTAGE REGULATOR WITH ON/OFF SWITCH

Toko America Inc  

TK115xx

COMMON CHARACTERISTICS

0

TYPICAL PERFORMANCE CHARACTERISTICS

TA = 25 °C unless otherwise specified

RIPPLE REJECTION vs

FREQUENCY

TEST CIRCUIT 2

VIN = VO +1.5 V

IN

4.5V

TK115xx

S

OUT

+

4.7 mF

I O = 5 mA

S

–50

I O = 0 mA

TEST CIRCUIT 2

–100

0.100

1

10

100

FREQUENCY (kHz) TK115xx • TPC74

KT115xx • TC02

RIPPLE REJECTION TEST CIRCUIT

LINE

TRANSIENT RESPONSE

LOAD TRANSIENT RESPONSE 275 µV

VIN = VO +1 V

200 µV

NOISE LEVEL vs

FEEDBACK CAPACITOR

I O = 60 mA

LOW PASS FIL = 100 kHz

TK11580

VIN (OM) = VO +1 V

5 µs/DIV

TK115xx • TPC71

TEST CIRCUIT 3

100 µV

TK11520

5 µs/DIV

TK115xx • TPC72

0

1 pF

10 pF 100 pF 1000 pF .01 µF 0.1 µF

CF B

TK115xx • TPC97

TURN ON

TRANSIENT RESPONSE

5

IO = 10 mA

IO = 100 mA

0

VSW

VSW = VIN – VON/OFF

t (50 µs/DIV)

TK115xx ¥ TPC73

CONTROL PIN CHARACTERISTICS

5

VO

4

+100

VIN

3

IS=Vcont,HC

0

2

IS=Vcont2,LC

1

TEST CIRCUIT 3

1

8

S

VO

S

+

2

7

4.7mF

IO

3

6

CFB

4

5

0

0

–100

1

2

3

4

5

VON/OFF; -VON/OFF

TK115xx • TPC75

NOISE LEVEL TEST CIRCUIT

Page 12

10-15-94

February, 1995 TOKO, Inc.

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