ISL8012(2008) 查看數據表（PDF） - Intersil

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ISL8012
(Rev.:2008)

2A Low Quiescent Current 1MHz High Efficiency Synchronous Buck Regulator

Intersil 

ISL8012

Electrical Specifications

PARAMETER

Unless otherwise noted, all parameter limits are established over the recommended operating conditions and

the typical specifications are measured at the following conditions: TA = -40°C to +85°C, VIN = 3.6V, EN = VCC,

unless otherwise noted. Typical values are at TA = +25°C. (Continued)

SYMBOL

TEST CONDITIONS

MIN

MAX

(Note 4) TYP (Note 4) UNITS

LX Minimum On-Time

MODE = low (forced PWM mode)

80

100

ns

Soft-Start-Up Time

PG

VIN = 3.6V

1.1

ms

Output Low Voltage

Sinking 1mA, VFB = 0.7V

0.3

V

Delay Time

1

ms

PG Pin Leakage Current

PG = VIN = 3.6V

0.01

0.1

µA

Minimum Supply Voltage for Valid PG Signal

1.2

V

Internal PGOOD Low Rising Threshold

Percentage of nominal regulation voltage

89

92

95

%

Internal PGOOD Low Falling Threshold

Percentage of nominal regulation voltage

85

88

91

%

Internal PGOOD High Rising Threshold

Percentage of nominal regulation voltage

107

110

113

%

Internal PGOOD High Falling Threshold

Percentage of nominal regulation voltage

104

107

110

%

Internal PGOOD Delay Time

30

µs

EN, MODE, RSI

Logic Input Low

0.4

V

Logic Input High

1.4

V

Logic Input Leakage Current

Pulled up to 5.5V

0.1

1

µA

5

FN6616.0

March 11, 2008

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