MAX8730 データシートの表示（PDF） - Maxim Integrated

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MAX8730

Low-Cost Battery Charger

Maxim Integrated 

Low-Cost Battery Charger

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1. VSRC = VASNS = VCSSP = VCSSN = 18V, VBATT = VCSIP = VCSIN = 12V, VVCTL = VICTL = 1.8V, MODE = float,

ACIN = 0, CLS = REF, REFON = LDO, INPON = LDO, RELTH = 2V. TA = 0°C to +85°C, unless otherwise noted. Typical values are at

TA = +25°C.)

PARAMETER

ICTL Power-Down Mode

Threshold

ICTL Input Bias Current

CSSP-to-CSSN Full-Scale

Current-Sense Voltage

SYMBOL

CONDITIONS

ICTL falling

ICTL rising

VICTL = 3V

SRC = BATT, ASNS = GND, VICTL = 5V

MIN TYP MAX UNITS

50

65

80

mV

70

90

110

-1

+1

µA

-1

+1

72.75 75.75 78.75 mV

Input Current-Limit Accuracy

CSSP/CSSN Input Voltage Range

CSSP/CSSN Input Current

VCLS = REF (trim point)

VCLS = REF x 0.7

VCLS = REF x 0.5

VCSSP = VCSSN = VSRC > 8.0V

VSRC = 0V

72.75 75.75 78.75 mV

-4

+4

%

50

53

56

mV

-5.6

+5.6

%

36

38

40.5

mV

-6.6

+6.6

%

8.0

28

V

400

800

µA

0.1

1

CLS Input Range

1.1

REF

V

CLS Input Bias Current

IINP Transconductance

IINP Accuracy

IINP Gain Error

IINP Offset Error

IINP Fault threshold

SUPPLY AND LINEAR REGULATOR

SRC Input Voltage Range

SRC Undervoltage Lockout

Threshold

VCLS = 2.0V

-1

+1

µA

VCSSP - VCSSN = 56mV

2.66

2.8

2.94 µA/mV

VCSSP - VCSSN = 100mV, VIINP = 0 to 4.5V

-5

+5

VCSSP - VCSSN = 75mV

VCSSP - VCSSN = 56mV

-8

+8

%

-5

+5

VCSSP - VCSSN = 20mV

-12.5

+12.5

Based on VICTL = REF x 0.5 and VICTL = REF

-7

+7

%

Based on VICTL = REF x 0.5 and VICTL = REF

-2

+2

mV

IINP rising

4.1

4.2

4.3

V

SRC falling

SRC rising

8.0

28

V

7

7.4

V

7.5

8

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