TK65431 Ver la hoja de datos (PDF) - Toko America Inc

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TK65431

STEP-DOWN CONVERTER WITH BATTERY MONITOR

Toko America Inc  

ADVANCED INFORMATION

TK654xx

IQ(CONV)

VIN = 5 V

C3

10 µF

VOUT

IOUT

C1

10 µF

TEST CIRCUIT

IQ(VOUT)

R3

300 K

LBO

VOUT

SW

+

C2

10 µF

L1

100 µH

LBI/SB

GND

VIN

R1

634 K

R2

287 K

IQ(VIN)

L1: Toko DL10: F Coil, PN A814AY-101K

C1,C3: Ceramic 10 µF

C2: Tantalum 10 µF

TYPICAL PERFORMANCE CHARACTERISTICS

USING TEST CIRCUIT

1.820

1.815

TK65418

LINE REGULATION

IOUT = 1 mA

3.330

3.325

TK65433

LINE REGULATION

IOUT = 1 mA

1.810

1.805

3.320

3.315

1.800

1.795

1.790

2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0

VIN (V)

3.310

3.305

3.300

3.4 3.8 4.2 4.6 5.0 5.4 5.8 6.0

VIN (V)

1.82

TK65418

LOAD REGULATION

VIN = 5 V

3.35

TK65433

LOAD REGULATION

VIN = 5 V

1.80

3.3

1.78

3.25

1.76

0

20 40 60 80 100 120

IOUT (mA)

September 1999 TOKO, Inc.

3.2

0 20 40 60 80 100 120 140 160

IOUT (mA)

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