ISL70003SEH

3

FN8604.5

May 12, 2016

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Functional Block Diagram

FIGURE 3. FUNCTIONAL BLOCK DIAGRAM

POR and ON/OFF

CONTROL

PWM

REFERENCE

0.6V

SOFT

START

EA

COMP

GATE

DRIVE

CURRENT

SENSE

LXx

PVINx

CONTROL

LOGIC

PWM

FB

PGNDx

SS_CAP

SYNC

POR_VIN

REF

NI

RT/CT

VERR

OVERCURRENT

ADJUST

OCSETA

OCSETB

BUFIN+

BUFOUT

BUF

SEL1

DDR VREF

BUFFER AMP

RAMP

VOUT

MONITOR

PGOOD

LINEAR

DVDD

SGND

IMON

SEL2

BUFIN-

FSEL

AVDD

REGULATORs

DE

AGND

PGNDx

DGND

Ordering Information

ORDERING SMD

NUMBER (Note 1)

PART NUMBER

(Note 2)

TEMPERATURE

RANGE (°C)

PACKAGE

(RoHS Compliant)

PACKAGE

DRAWING

5962R1420301VXC

ISL70003SEHVF

-55 to +125

64 Ld CQFP

R64.A

5962R1420301VYC

ISL70003SEHVFE

-55 to +125

64 Ld CQFP with Heatsink

R64.C

5962R1420301V9A

ISL70003SEHVX

-55 to +125

Die

N/A

ISL70003SEHF/PROTO

-55 to +125

64 Ld CQFP

R64.A

N/A

ISL70003SEHFE/PROTO

-55 to +125

64 Ld CQFP with Heatsink

R64.C

N/A

ISL70003SEHX/SAMPLE

-55 to +125

Die

N/A

ISL70003SEHEV1Z

Evaluation Board

NOTES:

1. Specifications for Rad Hard QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed must be

used when ordering.

2. These Intersil Pb-free Hermetic packaged products employ 100% Au plate - e4 termination finish, which is RoHS compliant and compatible with both

SnPb and Pb-free soldering operations.