High-Frequency,

Low-Cost SMBus Chargers

_______________________________________________________________________________________ 7

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

MAX

UNITS

INPUT CURRENT REGULATION

Input Current-Limit Threshold

RS1 = 10mI, Figure 1;

InputCurrent() = full scale

106.7

113.3

mV

-2.5

+2.5

%

RS1 = 10mI, Figure 1;

InputCurrent()= 0C80

62.08

65.92

mV

-3

+3

%

RS1 = 10mI, Figure 1;

InputCurrent()= 0780

36.86

39.94

mV

-4

+4

%

CSSP/CSSN Input Voltage Range

8

26

V

IINP Voltage Gain

19.7

20.3

%

IINP Output-Voltage Range

0

4

V

IINP Accuracy

-5

+5

%

-4

+4

-10

+10

IINP Gain Error

-1

+1

%

IINP Offset Error

-500

+500

F

V

REFERENCE

REF Output Voltage

REF

4.075

4.115

V

REF Undervoltage-

Lockout Threshold

REF falling

3.9

V

LINEAR REGULATOR

LDO Output Voltage

LDO

5.25

5.6

V

LDO Load Regulation

250

mV

LDO Undervoltage-Lockout

Threshold

LDO falling

3.2

5.0

V

ACOK

ACOK Sink Current

1

mA

ACIN

ACIN Threshold

1.465

1.53

V

ACIN Threshold Hysteresis

30

50

mV

ACIN Input-Bias Current

-1

+1

F

A

ITHR/ADAPTLIM

ITHR Leakage Current

1

F

A

ADAPTLIM Sink Current

1

mA

ADAPTLIM Leakage Current

1

F

A

ITHR Threshold

-12

+12

mV