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GRM21BB31A475KA74 Datasheet(PDF) 11 Page - Panasonic Semiconductor

Part # GRM21BB31A475KA74
Description  600mA Synchronous DC-DC Step Down Regulator (1ch) 300mA LDO Regulator (4ch) Multi Power Supply (High Efficiency Power LSI)
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Manufacturer  PANASONIC [Panasonic Semiconductor]
Direct Link  http://www.panasonic.com/industrial/
Logo PANASONIC - Panasonic Semiconductor

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11
AN30183A
Ver. AEB
*2
μA
17
8
DDVBAT1 = VB = VIN2
= 3.7 V
DCDC1, LDO1 to 4 = OFF
RESET= “H”
IBAT_4
Static consumption current 2
Consumption current
*2
*3
V
0.1
×
VDVDD
VnL
Noise margin at the Low-level for
each connected device
I2C bus (Bus line specifications) (continued)
*2
*3
V
0.2
×
VDVDD
VnH
Noise margin at the High-level for
each connected device
*2
*3
pF
400
Cb
Capacitive load for each bus line
Reference values
Typ
Unit
Max
Notes
Min
Conditions
Symbol
Parameter
Notes)
*2 :Checked by design, not production tested.
*3 :The timing of Fast-mode devices in I2C-bus is specified as the following.
All values referred to V
IHmin and VILmax level.
S : START condition
Sr : Repeat START condition
P : STOP condition
SCL
SDA
tLOW
tf
tr
tHD;STA
tHD;DAT
tHIGH
tSU;DAT
tf
tSU;STA
tHD;STA
tSP
Sr
tSU;STO
tBUF
PS
tr
S
APPLICATION INFORMATION (Continued)
REFERENCE VALUES FOR DESIGN
VVBAT(DDVBAT1 = VB = VIN2) = 3.1V to 4.5V, DVDD = 1.85V , DC-DC : Co = 4.7 µF, Lo = 1 µH / LDO : Co =1.0 µF
Ta = 25 °C ± 2 °C unless otherwise noted.
Notes)
*2 :Checked by design, not production tested.


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