NN31002A 查看數據表（PDF） - Panasonic Corporation

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NN31002A

4 A Synchronous DC-DC Step down Regulator, Power Supply in Package

Panasonic Corporation 

Doc No. TA4-EA-06247

Revision. 1

Product Standards

NN31002A

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.

Parameter

DC-DC Characteristics

Output voltage 1

Output voltage 2

Output voltage 3

Output voltage 4

Efficiency 1

Efficiency 2

Efficiency 3

Efficiency 4

Efficiency 5

Efficiency 6

Note : *1 : Typical design value

Symbol

Condition

Min

Limits

Typ

Max Unit Note

RFB1 = 1.0 k

Vo1

RFB2 = 1.5 k

VMODE = VREG

IOUT = 2 A

0.985 1.000 1.015 V —

RFB1 = 4.5 k

Vo2

RFB2 = 1 k

VMODE = VREG

IOUT = 2 A

3.250 3.300 3.350 V —

VFB = OPEN

Vo3

before VEN = 0 V to 1.5 V

VMODE = VREG

0.985 1.000 1.015

V

—

IOUT = 2 A

VFB = VREG

Vo4

before VEN = 0 V to 1.5 V

VMODE = VREG

3.250 3.300 3.350

V

—

IOUT = 2 A

VEFF1

PVIN = 12 V

VOUT = 5 V, IOUT = 4 A

VFSEL = VREG ( 800kHz )

—

95

— % *1

PVIN = 12 V

VEFF2 VOUT = 3.3 V, IOUT = 4 A

—

95

— % *1

VFSEL = OPEN ( 600kHz )

PVIN = 12 V

VEFF3 VOUT = 3.3 V, IOUT = 4 A

—

94

— % *1

VFSEL = VREG ( 800kHz )

PVIN = 12 V

VEFF4 VOUT = 1.0 V, IOUT = 4 A

—

88

— % *1

VFSEL = 0 V ( 400kHz )

PVIN = 12 V

VEFF5 VOUT = 1.0 V, IOUT = 4 A

—

87

— % *1

VFSEL = OPEN ( 600kHz )

PVIN = 12 V

VEFF6 VOUT = 1.0 V, IOUT = 4 A

—

85

— % *1

VFSEL = VREG ( 800kHz )

Established : 2014-03-10

Revised : ####-##-##

Page 6 of 33

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