ISL85005, ISL85005A

8

FN8871.0

November 28, 2016

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Gain

70

dB

Output Drive

±110

µA

Current Sense Gain

RT

0.15

Ω

Slope Compensation

Se

550

mV/µs

ENABLE INPUT

EN Input Threshold

Rising edge

0.5

0.6

0.7

V

Hysteresis

60

100

140

mV

SOFT-START FUNCTION

Default Soft-Start Time

ISL85005, ISL85005A with SS pin floating

1.0

2.3

3.6

ms

SS Internal Soft-Start Charging Current

ISL85005A

2.5

3.5

4.5

µA

POWER-GOOD OPEN-DRAIN OUTPUT

Output Low Voltage

0.25

V

PG Pin Leakage Current

0.01

µA

PG Lower Threshold

Percentage of output regulation

80

85

90

%

PG Upper Threshold

Percentage of output regulation

110

115

120

%

PG Thresholds Hysteresis

3%

Delay Time

Rising edge

1.5

ms

Falling edge

18

µs

FAULT PROTECTION

High-Side MOSFET Forward Current Limit

Threshold

6

7.8

9.5

A

Low-Side MOSFET Reverse Current Limit

Threshold

Current forced into PHASE node, high-side MOSFET is off,

SYNC = High

-3.3

A

Low-Side MOSFET Forward Current Limit

Threshold

Current in low-side MOSFET at end of low-side cycle.

8.6

A

19

20

V

Hysteresis

1

V

Thermal Shutdown Threshold

Temperature rising

165

Hysteresis

10

POWER MOSFET

High-Side MOSFET On-Resistance

57

95

mΩ

Low-Side MOSFET On-Resistance

40

75

mΩ

PHASE Pull-Down Resistor

EN = AGND

10

kΩ

DIODE EMULATION

Zero-Cross Detection Threshold

ISL85005

150

mA

NOTE:

7. Compliance to datasheet limits is assured by one or more methods: production test, characterization, and/or design.

8. Compliance to limits is assured by characterization and design.

-40°C to +125°C. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

MAX