LTC4080XEMSE-PBF datasheet(5/20 Pages) LINER

Part #	LTC4080XEMSE-PBF

Description	500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck in 3mm 횞 3mm DFN

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC4080X

5

4080Xf

VCC SUPPLY VOLTAGE (V)

4

4.20

5.5

4.05

3.95

4.5

5

3.90

3.85

4.25

4.15

4.10

4.00

6

4080

X G03

CHARGE CURRENT (mA)

0

4.17

4.18

4.21

4.20

150

4080X G01

4.16

4.15

50

100

200

250

4.14

4.13

4.19

RPROG = 2k

TEMPERATURE (

°C)

–50

4.195

10

4.180

4.170

– 30

– 10

30

4.165

4.160

4.210

4.205

4.200

4.190

4.185

4.175

50

70

90

4080

X G02

TEMPERATURE (

°C)

–50

200

250

100

150

100

0

–25

50

125

25

75

50

0

4080

X G04

VCC = 6V

VBAT = 3V

RPROG = 2k

THERMAL CONTROL

LOOP IN OPERATION

CHARGE CURRENT (mA)

0

0.6

0.8

1.0

175

0.4

0.2

0

25

75

125

50

100

150

200

4080

X G05

RPROG = 2k

TEMPERATURE (

°C)

–50

0.7

10

0.4

0.2

– 30

–10

30

0.1

0

0.9

0.8

0.6

0.5

0.3

50

70

90

4080

X G06

VCC = 4V

IBAT = 350mA

TEMPERATURE (

°C)

–50

0.50

0.55

0.65

0.70

0.75

30

0.95

0.60

–10

–30

50

70

10

90

0.80

0.85

0.90

4080

X G07

FALLING

RISING

TEMPERATURE (

°C)

1.0

1.1

1.3

1.4

1.5

1.7

1.2

1.6

4080

X G08

–50

30

–10

–30

50

70

10

90

Battery Regulation (Float) Voltage

vs Charge Current

Battery Regulation (Float) Voltage

vs Temperature

Battery Regulation (Float) Voltage

vs VCC Supply Voltage

Charge Current vs Temperature

with Thermal Regulation

(Constant-Current Mode)

PROG Pin Voltage

vs Charge Current

Charger FET On-Resistance

vs Temperature

⎯E⎯N⎯_⎯C⎯H⎯R⎯G, EN_BUCK and

MODE Pin Threshold Voltage

vs Temperature

⎯E⎯N⎯_⎯C⎯H⎯R⎯G Pin Pulldown

Resistance vs Temperature

TYPICAL PERFORMANCE CHARACTERISTICS (T

A = 25°C, VCC = 5V, VBAT = 3.8V, unless otherwise

speciﬁed)

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LTC4080XEMSE-PBF Datasheet(PDF) 5 Page - Linear Technology

LTC4080XEMSE-PBF Datasheet(HTML) 5 Page - Linear Technology

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