NCP3985

http://onsemi.com

2

Figure 2. Simplified Block Diagram

Current

Limit

Bandgap

Reference

Voltage

CE

GND

Active

Discharge

PIN FUNCTION DESCRIPTION

Pin No.

Pin Name

Description

1

Power Supply Input Voltage

2

GND

Power Supply Ground

3

CE

Chip Enable: This pin allows on/off control of the regulator. To disable the device, connect to

between CE and GND.

4

Noise reduction pin. (Connect 100 nF or 10 nF capacitor to GND)

5

Regulated Output Voltage

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage (Note 1)

-0.3 V to 6 V

V

Chip Enable Voltage

V

Noise Reduction Voltage

V

Output Voltage

V

Maximum Junction Temperature (Note 1)

150

°C

Storage Temperature Range

-55 to 150

°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 series contains ESD protection and exceeds the following tests:

Human Body Model 2000 V per MIL-STD-883, Method 3015

Machine Model Method 200 V

THERMAL CHARACTERISTICS

Rating

Symbol

Value

Unit

Package Thermal Resistance: (Note 1)

Junction-to-Lead (pin 5)

Junction-to-Ambient

109

220

°C/W

1. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area