MAX1667(1999) 查看數據表（PDF） - Maxim Integrated

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MAX1667
(Rev.:1999)

Chemistry-Independent, Level 2 Smart Battery Charger

Maxim Integrated 

Chemistry-Independent,

Level 2 Smart Battery Charger

__________________________________________Typical Operating Characteristics

(Circuit of Figure 7, TA = +25°C, unless otherwise noted.)

LOAD TRANSIENT

(VOLTAGE REGULATION WITH CURRENT LIMIT)

CCI

CCV

CCV

CCI

CCI

CCV

10V

5V/div

VBATT

200mV/div

CCI

CCV 1.4V

ILOAD

1A

1A/div

AVERAGED MEASUREMENT

500µs/div

VDCIN = 18V

ChargingVoltage() = 12,000mV

ChargingCurrent() = 1500mA

LOAD TRANSIENT

(WITH CHANGE IN REGULATION LOOP)

MAX1667TOC02

CCV

CCI

CCI

CCV

CCV

50mV/div

CCI

2V

ILOAD

10V

5V/div

VBATT

1A

500mA/div

AVERAGED MEASUREMENT

1ms/div

VDCIN = 18V

ChargingVoltage() = 12,000mV

ChargingCurrent() = 1500mA

VL LINE REGULATION

5.450

NO LOAD

5.425

VL LOAD REGULATION

5.50

VDCIN = 20V

5.45

5.40

5.400

5.35

5.30

5.375

5.25

5.350

0

5 10 15 20 25 30

VDCIN (V)

5.20

0

5

10

15

20

25

LOAD CURRENT (mA)

5.45

5.44

5.43

5.42

5.41

5.40

5.39

5.38

5.37

5.36

5.35

-40

VL vs. TEMPERATURE

VDCIN = 20V

-20 0 20 40 60 80 100

TEMPERATURE (°C)

VREF LOAD REGULATION

4.11

4.10

4.09

4.08

4.07

4.06

0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

LOAD CURRENT (mA)

_______________________________________________________________________________________ 7

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