ADP3419

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2

Figure 1. Simplified Block Diagram

Figure 2. General Application Circuit

IN

CROWBAR

UVLO,

OVERLAP

PROTECTION,

SHUTDOWN

AND

CROWBAR

CIRCUITS

BST

VCC

SW

DRVH

DRVL

GND

ADP3419

10

5

1

4

7

6

8

9

VCC

BST

DRVH

SW

SD

IN

DRVLSD

CROWBAR

GND

DRVL

ADP3419

VDC

5V

FROM SYSTEM

ENABLE CONTROL

FROM CONTROLLER

PWM OUTPUT

FROM

CONTROLLER

FROM CONTROLLER

CLAMP OUTPUT

10

5

1

4

3

2

6

8

9

7

ABSOLUTE MAXIMUM RATINGS

Parameter

Rating

Unit

VCC

−0.3 to +7.0

V

BST

−0.3 to +30

V

BST to SW

−0.3 to +7.0

V

SW

−3.0 to +25

V

DRVH

SW −0.3 to BST +0.3

V

DRVL

−0.3 to VCC +0.3

V

All Other Inputs and Outputs

−0.3 to VCC +0.3

V

2-Layer Board

4-Layer Board

340

220

°C/W

Operating Ambient Temperature Range

0 to 100

°C

Junction Temperature Range

0 to 150

°C

Storage Temperature Range

−65 to +150

°C

Lead Temperature Range

Soldering (10 s)

Vapor Phase (60 s)

Infrared (15 s)

300

215

220

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

NOTE: This device is ESD sensitive. Use standard ESD precautions when handling.