LBPG View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LBPG

Standalone 750mA Li-Ion Battery Charger in 2 × 2 DFN

Linear Technology 

LTC4065/LTC4065A

TYPICAL PERFOR A CE CHARACTERISTICS

Battery Regulation (Float) Voltage

vs Battery Charge Current

4.24

VCC = 5V

4.23 TA = 25°C

RPROG = 2k

4.22

4.21

4.20

4.19

4.18

4.17

4.16

0

100 200 300 400 500

IBAT (mA)

4065 G01

Battery Regulation (Float) Voltage

vs Temperature

4.24

4.23

4.22

4.21

4.20

4.19

4.18

4.17

4.16

–50 – 25 0

25 50 75 100

TEMPERATURE (°C)

4065 G02

Charge Current vs Supply Voltage

(Constant Current Mode)

200

RPROG = 10k

175 VBAT = 3.8V

TA = 25°C

150

125

100

75

50

25

0

4

4.5

5

5.5

6

SUPPLY VOLTAGE (V)

4065 G04

PROG Pin Voltage vs Temperature

(Constant Current Mode)

1.02

VCC = 5V

VBAT = 3.8V

RPROG = 10k

1.01

1.00

0.99

0.98

–50 –25 0

25 50 75 100

TEMPERATURE (°C)

4065 G07

Charge Current vs Battery Voltage

600

VCC = 5V

TA = 25°C

500 RPROG = 2k

400

300

200

100

0

0

1

2

3

VBAT (V)

PROG Pin Voltage

vs Charge Current

1.2

VCC = 5V

TA = 25°C

1.0 RPROG = 2k

0.8

4

5

4065 G05

0.6

0.4

0.2

0

0 100 200 300 400 500

IBAT (mA)

4065 G08

4

Regulated Output (Float) Voltage

vs Supply Voltage

4.24

TA = 25°C

4.23 IBAT = 2mA

RPROG = 2k

4.22

4.21

4.20

4.19

4.18

4.17

4.16

4

4.5

5

5.5

SUPPLY VOLTAGE (V)

6

4065 G03

Charge Current vs Temperature

with Thermal Regulation

(Constant Current Mode)

600

500

400

THERMAL CONTROL

LOOP IN OPERATION

300

200

100 VCC = 5V

VBAT = 3.8V

RPROG = 2k

0

–50

0

50

100

TEMPERATURE (°C)

150

4065 G06

Power FET On Resistance

vs Temperature

550

VCC = 4V

IBAT = 400mA

500

450

400

350

300

–50 –25 0

25 50

TEMPERATURE (°C)

75 100

4065 G09

4065f

Share Link: