GRM21BB31A475KA74L datasheet(5/28 Pages) PANASONIC

Part #	GRM21BB31A475KA74L

Description	VIN = 2.9V to 5.5V 2ch,0.8A General-purpose High Efficiency Power LSI

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Manufacturer	PANASONIC [Panasonic Semiconductor]

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

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AN30185A

5

Ver. BEB

*1

%

—

84

—

VIN = 5 V

IOUT2 = 500 mA

DD2

EFF4

DC-DC2 efficiency 4

*1

%

—

77

—

VIN = 5 V

IOUT1 = 450 mA

DD1

EFF4

DC-DC1 efficiency 4

*1

mV[p-p]

—

7

—

IOUT2 = 500 mA

DD2

VRPL2

DC-DC2 output ripple voltage 2

*1

mV[p-p]

—

30

—

IOUT2 = 10 mA

DD2

VRPL1

D-CDC2 output ripple voltage 1

*1

mV[p-p]

—

30

—

IOUT1 = 10 mA

DD1

VRPL1

DC-DC1 output ripple voltage 1

*1

mV[p-p]

—

7

—

IOUT1 = 450 mA

DD1

VRPL2

DC-DC1 output ripple voltage 2

*1

%

—

80

—

VIN = 5 V

IOUT2 = 10 mA

DD2

EFF2

DC-DC2 efficiency 2

*1

%

—

86

—

VIN = 3.3 V

IOUT2 = 10 mA

DD2

EFF1

DC-DC2 efficiency 1

*1

%

—

80

—

VIN = 3.3 V

IOUT1 = 450 mA

DD1

EFF3

DC-DC1 efficiency 3

*1

%

—

71

—

VIN = 5 V

IOUT1 = 10 mA

DD1

EFF2

DC-DC1 efficiency 2

*1

%

—

77

—

VIN = 3.3 V

IOUT1 = 10 mA

DD1

EFF1

DC-DC1 efficiency 1

*1

A

—

1.6

—

FB2 = 1.8 V

→ 0.9 V

DD2

ILMT

DC-DC2 output current limit

*1

A

—

1.6

—

FB1 = 1.0 V

→ 0.5 V

DD1

ILMT

DC-DC1 output current limit

*1

mV

—

15

—

IOUT2 = 10 μA → 800 mA

DD2

REGLD

DC-DC2 load regulation

*1

mV

—

10

—

IOUT1 = 10 μA → 800 mA

DD1

REGLD

DC-DC1 load regulation

*1

mV

—

8

—

VIN = 2.9 V → 5.5 V

IOUT2 = 500 mA

DD2

REGIN

DC-DC2 line regulation

[DC-DC1] (1.0 V DC/DC step-down regulator)

[DC-DC2] (1.8 V DC/DC step-down regulator)

*1

mV

—

6

—

VIN = 2.9 V → 5.5 V

IOUT1 = 450 mA

DD1

REGIN

DC-DC1 line regulation

*1

%

—

85

—

VIN = 3.3 V

IOUT2 = 500 mA

DD2

EFF3

DC-DC2 efficiency 3

*1

μA

—

0

—

EN = 0 V

ISTB

Consumption current at standby

Reference values

Typ

Unit

Max

Notes

Min

Conditions

Symbol

Parameter

ELECTRICAL CHARACTERISTICS (Continued)

VIN = AVIN = PVIN1 = PVIN2 = 3.3V

[DC-DC1] Cout = 10

μF (GRM21BB31A106K[Murata] ) , Lout = 2.2 μH ( NR3012T2R2M[Taiyo Yuden] )

[DC-DC2] Cout = 10

μF (GRM21BB31A106K[Murata] ) , Lout = 2.2 μH ( NR3012T2R2M[Taiyo Yuden] )

Ta = 25 °C ± 2 °C unless otherwise noted.

*1 ：Typical Value checked by design.

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