NCP5661, NCV5661

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2

PIN FUNCTION DESCRIPTION

Pin

Adj/Fixed

DFN6

Pin

Adj/Fixed

DPAK−5

Pin Name

Description

1

1

Enable

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

2,3

2

Positive Power Supply Input Voltage

4, EPAD

3, TAB

Ground

Power Supply Ground

5

4

Regulated Output Voltage

6

5

Adj

(Adjustable Version)

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

6

5

Error Flag

(Fixed Version)

An Error Flag is triggered when the output voltage is out of regulation excluding transi-

ent signals that may occur. Requires a pullup resistor

f 100 kW.

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage

18

V

Output Pin Voltage

−0.3 to Vin +0.3

V

Adjust Pin Voltage

−0.3 to Vin +0.3

V

Enable Pin Voltage

−0.3 to Vin +0.3

V

Error Flag Voltage

−0.3 to Vin +0.3

V

Error Flag Current

3.0

mA

Thermal Characteristics, DPAK−5 (Note 1)

Thermal Resistance, Junction−to−Air

Thermal Resistance, Junction−to−Case

100

8.0

°C/W

Thermal Characteristics, DFN6 (Note 2)

Thermal Resistance, Junction−to−Air

Thermal Resistance, Junction−to−Lead (Note 3)

82

18

°C/W

Operating Junction Temperature Range

−40 to +150

°C

Storage Temperature Range

−55 to +150

°C

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.

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:

P

T

T

A

the part or degrading it’s reliability, power dissipation transients should be limited to under 20 W for DPAK.

For open−circuit to short−circuit transient,

3. Lead 2