ISL70003SEH

10

FN8604.5

May 12, 2016

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POWER-ON RESET

POR Pin Input Voltage

0.56

0.6

0.64

V

POR Sink Current

9.6

12

14.4

µA

ENABLE

Enable VIH Voltage

2

V

Enable VIL Voltage

0.8

V

Enable (EN) Leakage

EN = 4.5V

1.0

10

µA

SELECT PHASE

SEL 1, 2 VIH Voltage

2

V

SEL 1, 2 VIL Voltage

0.8

V

SEL 1, 2 Leakage Current

SEL1, 2 = VREFD

1.0

10

µA

PWM CONTROL LOGIC

Switching Frequency

FSEL = 1

255

300

345

kHz

FSEL = 0

425

500

575

kHz

Minimum On Time

SS = GND (Note 14)

250

320

ns

Minimum On Time

(Note 14)160

220

ns

Minimum Off Time

(Note 14)

200

270

ns

5

V/V

4.8

V/V

255

300

345

kHz

425

500

575

kHz

SYNC VIH Voltage

2

V

SYNC VIL Voltage

0.8

V

Synchronization Input Leakage Current

SYNC = VREFD

1.0

4

µA

SOFT-START

Soft-start Source Current

SS = GND

20

23

27

µA

Soft-start Discharge ON-Resistance

3.0

6.0

Ω

Soft-start Discharge Time

(Note 14)

256

Clock Cycles

REFERENCE VOLTAGE

Reference Voltage Tolerance

0.594

0.6

0.606

V

ERROR AMPLIFIER

DC Gain

(Note 14)80

dB

Gain-bandwidth Product

(Note 14)7

MHz

Maximum Output Voltage

3.5

4.2

V

Slew Rate

(Note 14)8.5

V/µs

Feedback (FB) Input Leakage Current

250

nA

-3

0

3

mV

range, -55°C to +125°C; over a total ionizing dose of 100krad(Si) with exposure at a high dose rate of 50 - 300rad(Si)/s; or over a total ionizing dose of

50krad(Si) with exposure at a low dose rate of <10mrad(Si)/s. (Continued)

PARAMETER

TEST CONDITIONS

MIN

MAX