NCP508 datasheet(2/15 Pages) ONSEMI

Part #	NCP508

Description	Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator

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NCP508

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PIN FUNCTION DESCRIPTION

Pin No.

Pin Name

Description

1

Vin

Positive power supply input voltage

2

GND

Power supply ground

3

Enable

This input is used to place the device into low−power stand by. When this input is pulled low, the

device is disabled. If this function is not used, Enable should be connected to Vin.

4

N/C

Not connected pin

5

Vout

Regulated output voltage

MAXIMUM RATING

Rating

Symbol

Value

Unit

Input Voltage

Vin(max)

13.0

V

Enable Voltage

Enable

−0.3 to Vin(max) + 0.3

V

Output Voltage

Vout

−0.3 to Vin(max) + 0.3

V

Power Dissipation and Thermal Characteristics (SC−88A)

Power Dissipation

Thermal Resistance, Junction−to−Ambient (Note 4)

PD

RqJA

Internally Limited

200

W

°C/W

Power Dissipation and Thermal Characteristics (WDFN6)

Power Dissipation

Thermal Resistance, Junction−to−Ambient (Note 4)

PD

RqJA

Internally Limited

313

W

°C/W

Maximum Junction Temperature

TJ

+125

°C

Operating Ambient Temperature

TA

−40 to +85

°C

Storage Temperature

Tstg

−55 to +150

°C

Lead Soldering Temperature @ 260°C

Tsolder

10

sec

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.

1. 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

2. Latch up Capability (85°C) $ 100 mA DC with trigger voltage

3. Maximum package power dissipation limits must be observed.

PD +

TJ(max) * TA

RqJA

4. RqJA on a 30 x 30 mm PCB Cu thickness 1 oz; TA = 25°C.

RECOMMENDED OPERATING CONDITIONS

Rating

Symbol

Max

Unit

Maximum Operating Input Voltage

Vin

7.0

V

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