NN31001A datasheet(7/36 Pages) PANASONIC

Part #	NN31001A

Description	7 A Synchronous DC-DC Step down Regulator,

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Manufacturer	PANASONIC [Panasonic Semiconductor]

Direct Link	http://www.panasonic.com/industrial/

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NN31001A

Page 7 of 33

Product Standards

Parameter

Symbol

Condition

Limits

Unit Note

Min

Typ

Max

DC-DC Characteristics

Load regulation1

VLOA1

IOUT = 10 mA to 7 A

VMODE = 0 V

—2.0

—

%

*1

Load regulation2

VLOA2

IOUT = 10 mA to 7 A

VMODE = VREG

—1.0

—

%

*1

Line regulation

VLIN

PVIN = 6 V to 28 V

VMODE = VREG

IOUT = 2.0 A

—

0.1

0.3

%/V

—

Output ripple voltage 1

VRL1

IOUT = 10 mA

VMODE = 0 V

—30

—

mV

[p-p]

*1

Output ripple voltage 2

VRL2

IOUT = 10 mA

VMODE = VREG

—15

—

mV

[p-p]

*1

Output ripple voltage 3

VRL3

IOUT = 3.5 A

VMODE = VREG

—10

—

mV

[p-p]

*1

Load transient response 1

V

TR1

IOUT = 100 mA to 3.5 A

t = 0.5 A / µs

VMODE = 0 V or VREG

—15

—

mV

*1

Load transient response 2

V

TR2

IOUT = 3.5 A to 100 mA

t = 0.5 A / µs

VMODE = 0 V or VREG

—20

—

mV

*1

Minimum Input and output voltage

difference

VDIFF

VDIFF =VIN –VOUT

—2.5

—

V

*1

Note :

*1 : Typical design value

ELECTRICAL CHARACTERISTICS (Continued)

CO = 22 µF  3, VOUT Setting = 1.0 V, VIN = AVIN = PVIN = 12 V, Switching Frequency = 600 kHz

VMODE = VREG (FCCM), Ta = 25 C  2 C unless otherwise noted.

Doc No. TA4-EA-06262

Revision. 2

Established : 2014-07-03

Revised

: 2014-07-08

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