LTC4075X Ver la hoja de datos (PDF) - Linear Technology

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componentes Descripción

Fabricante

LTC4075X

Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers

Linear Technology 

LTC4075/LTC4075X

TYPICAL PERFOR A CE CHARACTERISTICS

Undervoltage Lockout Threshold

vs Temperature

4.30

4.25

DCIN UVLO

4.20

4.15

4.10

4.05

USBIN UVLO

4.00

3.95

3.90

–50

–25 0 25 50

TEMPERATURE (°C)

75 100

4075X G19

Battery Drain Current

vs Temperature

5

VBAT = 4.2V

VDCIN, VUSBIN (NOT CONNECTED)

4

3

2

1

0

–1

–50 –25 0

25 50

TEMPERATURE (°C)

75 100

4075X G21

Recharge Threshold

vs Temperature

4.16

4.14

4.12

VDCIN = VUSBIN = 4.3V

4.10

VDCIN = VUSBIN = 8V

4.08

4.06

4.04

–50

–25 0 25 50

TEMPERATURE (°C)

75 100

4075X G20

Charge Current During Turn-On

and Turn-Off

IBAT

500mA/DIV

ENABLE

5V/DIV

VDCIN = 5V

RIDC = 1.25k

100µs/DIV

4075X G22

4075Xf

6

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