NCP5663(2005) 데이터 시트보기 (PDF) - ON Semiconductor

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NCP5663
(Rev.:2005)

Low Output Voltage, Ultra−Fast 3.0 A Low Dropout Linear Regulator with Enable

ON Semiconductor 

NCP5663

PIN FUNCTION DESCRIPTION

Pin

Adj/Fixed

Pin Name

Description

1

Enable

This pin allows for on/off control of the regulator. To disable the device, connect to Ground. If this

function is not in use, connect to Vin.

2

Vin

Positive Power Supply Input Voltage

3

Ground

Power Supply Ground

4

Vout

Regulated Output Voltage

5

Adj

This pin is connected to the resistor divider network and programs the output voltage.

(Adjustable Version)

5

Error Flag

An Error Flag is triggered when the output voltage is out of regulation excluding transient signals

(Fixed Version) that may occur. Requires a pullup resistor f 100 kW.

ABSOLUTE MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage

Vin

18

V

Output Pin Voltage

Vout

−0.3 to Vin +0.3

V

Adjust Pin Voltage

Vadj

−0.3 to Vin +0.3

V

Enable Pin Voltage

Ven

−0.3 to Vin +0.3

V

Error Flag Voltage

Vef

−0.3 to Vin +0.3

V

Error Flag Current

Ief

3.0

mA

Thermal Characteristics

Thermal Resistance Junction−to−Air

Thermal Resistance Junction−to−Case

RθJA

RθJC

°C/W

45

5.0

Operating Junction Temperature Range

TJ

−40 to +150

°C

Storage Temperature Range

Tstg

−55 to +150

°C

Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit

values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,

damage may occur and reliability may be affected.

NOTE: This device series contains ESD protection and exceeds the following tests:

Human Body Model (HBM) JESD 22−A114−B

Machine Model (MM) JESD 22−A115−A.

The maximum package power dissipation is:

TJ(max) * TA

PD +

RqJA

The bipolar process employed for this IC is fully characterized and rated for reliable 18 V VCCmax operation. To avoid damaging

the part or degrading it’s reliability, power dissipation transients should be limited to under 30 W for D2PAK.

For open−circuit to short−circuit transient,

PDTransient = VCCmax * ISC.

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