NCP4632

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2

Current Limit

Thermal Protection

VIN

GND

Vref

CE

VOUT

SENSE/ADJ

Reverse Detector

Current Limit

Thermal Protection

VIN

GND

Vref

CE

VOUT

Reverse Detector

SENSE/

Figure 2. Simplified Schematic Block Diagram

NCP4632B

NCP4632D

ADJ

PIN FUNCTION DESCRIPTION

Pin No.

TO252−5−P2

Pin Name

Description

4

VOUT

Output Voltage Pin

2

VIN

Input Voltage Pin

3

GND (Note 1)

Ground Pin

1

CE

Chip Enable Pin, Active “H”, Connect to VIN pin if not used.

5

SENSE / ADJ

Sense Pin on Fixed Options, ADJ for Adjustable

1. TAB is internally connected to pin 3 GND.

ABSOLUTE MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage

6.0

V

Output Voltage

V

Chip Enable Input

−0.3 to 6.0

V

Sense Input

−0.3 to 6.0

V

Output Current

3000

mA

Power Dissipation (Note 2)

3800

mW

Storage Temperature Range

−55 to 125

°C

Maximum Junction Temperature

125

°C

ESD Capability, Human Body Model (Note 3)

2000

V

ESD Capability, Machine Model (Note 3)

200

V

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

2. JEDEC standard 76.2mm x 114.3 mm, FR4 Four−layers board

3. This device series incorporates ESD protection and is tested by the following methods:

ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)

ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)

Latchup Current Maximum Rating tested per JEDEC standard: JESD78.

THERMAL CHARACTERISTICS

Rating

Symbol

Value

Unit

Thermal Characteristics, DPAK−5

Thermal Resistance, Junction−to−Air

53

°C/W