ISL8002(2013_01) 查看數據表（PDF） - Intersil

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ISL8002
(Rev.:2013_01)

Compact Synchronous Buck Regulators

Intersil 

ISL8002, ISL8002A, ISL80019, ISL80019A

Electrical Specifications TA = -40°C to +85°C, VIN = 2.7V to 5.5V, unless otherwise noted. Typical values are at TA = +25°C. Boldface

limits apply over the operating temperature range, -40°C to +85°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 6)

MAX

TYP

(Note 6) UNITS

COMPENSATION

Error Amplifier Trans-Conductance

COMP tied VIN

40

µA/V

COMP with RC

120

µA/V

Trans-Resistance

RT

0.24

0.3

0.40

Ω

LX

P-Channel MOSFET ON-Resistance

N-Channel MOSFET ON-Resistance

LX Maximum Duty Cycle

VIN = 5V, IO = 200mA

VIN = 5V, IO = 200mA

117

mΩ

86

mΩ

100

%

LX Minimum On-Time

MODE = PWM (High) 1MHz

60

80

ns

OSCILLATOR

Nominal Switching Frequency

FSW ISL8002, ISL80019

ISL8002A, ISL80019A

850

1700

1000

2000

1150

kHz

2300

kHz

PG

Output Low Voltage

1mA sinking current

0.3

V

Delay Time (Rising Edge)

0.5

1

2

ms

PGOOD Delay Time (Falling Edge)

15

µs

PG Pin Leakage Current

PG = VIN

0.01

0.1

µA

OVP PG Rising Threshold

110

115

120

%

OVP PG Hysteresis

5

%

UVP PG Rising Threshold

80

85

90

%

UVP PG Hysteresis

5

%

EN AND MODE LOGIC

Logic Input Low

0.4

V

Logic Input High

1.4

V

Logic Input Leakage Current

IMODE Pulled up to 5.5V

5.5

8

µA

NOTE:

6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization

and are not production tested.

8

FN7888.1

January 7, 2013

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