LTC1734ES6-4.1 datasheet(4/12 Pages) LINER

Part #	LTC1734ES6-4.1

Description	Lithium-Ion Linear Battery Charger in ThinSOT

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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4

LTC1734

TYPICAL PERFOR A CE CHARACTERISTICS

IBAT2 vs Temperature

and Supply Voltage

IBAT1 vs VBAT

TEMPERATURE (

°C)

–50

660

700

740

0

50

75

1734 G04

–25

25

100

125

RPROG = 2.15k

PNP = FCX589

VCC = 4.55V AND 8V

VBAT (V)

0

210

4

1734 G05

200

190

1

2

3

5

VCC = 5V

TA = 25°C

RPROG = 7.5k

PNP = FCX589

BAT PIN MUST BE DISCONNECTED

AND GROUNDED TO FORCE

CC MODE IN THIS REGION

IBAT2 vs VBAT

VBAT (V)

0

750

4

1734 G06

700

650

1

2

3

5

VCC = 5V

TA = 25°C

RPROG = 2.15k

PNP = FCX589

BAT PIN MUST BE DISCONNECTED

AND GROUNDED TO FORCE

CC MODE IN THIS REGION

Program Pin Pull-Up Current vs

Temperature and Supply Voltage

Program Pin Pull-Up Current

vs VPROG

Program Pin Voltage

vs Charge Current (200mA)

TEMPERATURE (

°C)

–50

3.4

3.5

3.6

25

75

1734 G07

3.3

3.2

–25

0

50

100

125

3.1

3.0

VPROG = 2.5V

VCC = 8V

VCC = 4.55V

VPROG (V)

2

2.6

2.8

3.0

3.2

3.4

3.6

3

45

6

1635 G08

78

VCC = 8V

TA = 25°C

IBAT1 (mA)

0

0.8

1.0

1.2

200

1734 F09

0.6

0.4

0

50

100

150

0.2

1.6

1.4

VCC = 5V

TA = 25°C

RPROG = 7.5k

PNP = FCX589

LIMITS AT 25mV DUE TO

PROGRAMMING PIN PULL-UP

CURRENT (IPROGPU)

Program Pin Voltage

vs Charge Current (700mA)

Program Pin Voltage for IBAT1/10

vs Temperature and Supply Voltage

IBAT2 (mA)

0

1.4

300

1734 G10

0.8

0.4

100

200

400

0.2

0

1.6

1.2

1.0

0.6

500

600

700

VCC = 5V

TA = 25°C

RPROG = 2.15k

PNP = FCX589

LIMITS AT 6mV DUE TO

PROGRAMMING PIN PULL-UP

CURRENT (IPROGPU)

TEMPERATURE (

°C)

–50

140

150

160

0

50

75

1734 G11

–25

25

100

125

RPROG = 7.5k

PNP = FCX589

VCC = 8V

VCC = 4.55V

Program Pin Voltage for IBAT2/10

vs Temperature and Supply Voltage

TEMPERATURE (

°C)

–50

140

150

160

0

50

75

1734 G12

–25

25

100

125

RPROG = 2.15k

PNP = FCX589

VCC = 8V

VCC = 4.55V

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