MAX1772(2002) 查看數據表（PDF） - Maxim Integrated

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产品描述 (功能)

比赛名单

MAX1772
(Rev.:2002)

Low-Cost, Multichemistry Battery Charger Building Block

Maxim Integrated 

Low-Cost, Multichemistry Battery-

Charger Building Block

Typical Operating Characteristics (continued)

(Circuit of Figure 1a, VDCIN = 20V, TA = +25°C, unless otherwise noted.)

OUTPUT V/I CHARACTERISTICS

0.050

VCTL = 0

0.045 ICTL = 3.3V

CELL = 4

0.040

0.035

0.030

CELL = 3

0.025

0.020

CELL = 2

0.015

0.010

0.005

0

0 500 1000 1500 2000 2500 3000 3500 4000

BATT CURRENT (mA)

BATT VOLTAGE ERROR vs. VCTL

0.20

0.18

CELL = 4

REFIN = 3.3V

0.16 NO LOAD

0.14

0.12

0.10

0.08

0.06

0.04

0.02

0

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

VCTL/REFIN (%)

CURRENT SETTING ERROR vs. ICTL

5

REFIN = 3.3V

4

3

2

1

BATT > 2V

0

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

ICTL/REFIN (%)

ICHG ERROR vs. BATT LOAD CURRENT

4.0

VCTL = 0

3.5 ICTL = 3.3V

CELL = 4

3.0

2.5

2.0

1.5

1.0

0.5

0

0 500 1000 1500 2000 2500 3000 3500 4000

BATT LOAD CURRENT (mA)

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