GRM155B31A105KE15D datasheet(6/27 Pages) PANASONIC

Part #	GRM155B31A105KE15D

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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AN30181A

6

Ver. BEB

*1

ms

—

0.15

—

Capacitive load : 24

μF

IOUT2 = 0 A

The time until 90 % from 10 %

of target value.

DD2

TSTU

DC-DC2 start time

*1

ms

—

0.1

—

Capacitive load : 26

μF

IOUT1 = 0 A

The time until 90 % from 10 %

of target value.

DD1

TSTU

DC-DC1 start time

*1

Ω

—

0.25

—

DD2

RONN

DC-DC2 Nch-MOS ON resistance

*1

Ω

—

0.2

—

DD1

RONN

DC-DC1 Nch-MOS ON resistance

*1

Ω

—

0.3

—

DD2

RONP

DC-DC2 Pch-MOS ON resistance

*1

Ω

—

0.25

—

DD1

RONP

DC-DC1 Pch-MOS ON resistance

*1

Ω

—

150

—

EN = 0 V

DD2

RDIS

DC-DC2 discharge resistance

*1

Ω

—

100

—

EN = 0 V

DD1

RDIS

DC-DC1 discharge resistance

*1

MHz

—

1.2

—

IOUT2 = 500 mA

DD2

FSW

DC-DC2 operating frequency

*1

MHz

—

1.2

—

IOUT1 = 450 mA

DD1

FSW

DC-DC1 operating frequency

[DC-DC1] (1.2 V step-down DCDC step down regulator)

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

*1

mV

—

25

—

IOUT2 = 10 mA ↔ 250 mA

Δ t = 1 μs

DD2

DVAC

DC-DC2 load transient response

*1

mV

—

25

—

IOUT1 = 50 mA ↔ 200 mA

Δ t = 1 μs

DD1

DVAC

DC-DC1 load transient response

Reference values

Typ

Unit

Max

Notes

Min

Conditions

Symbol

Parameter

ELECRTRICAL 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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GRM155B31A105KE15D Datasheet(PDF) 6 Page - Panasonic Semiconductor

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