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ADP3402 Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
ADP3402
GSM Power Management System
Analog Devices
ADP3402 Datasheet PDF : 12 Pages
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ADP3402
Table I. LDO Control Logic
INPUTS
UVLO CHRON PWRONKEY
L
X
X
H
H
X
H
X
L
H
L
H
H
L
H
H
L
H
X = Don't care
Bold denotes the active control signal.
PWRONIN
X
X
X
L
H
H
ANALOGON
X
X
X
X
L
H
OUTPUTS
VRTC VCC
Off
Off
On
On
On
On
On
Off
On
On
On
On
VCCA
Off
On
On
Off
On
On
REFOUT
Off
On
On
Off
On
On
VTCXO
Off
On
On
Off
Off
On
Table II. VSIM Control Logic
INPUTS
VCC RESET
Off
L
On
L
On
H
On
H
On
H
X = Don't care
SIMON
X
X
L
H
H
SIMPROG
X
X
X
L
H
OUTPUTS
VSIM
Off
Off
Off
3V
5V
VBAT
ADP3402
PWRONKEY
ROWX
20k
⍀
UVLO
ADJ
UVLO
OVER
TEMP
PWRONIN
RESCAP
CHRON
ANALOGON
SIMBAT
CAP+
CAP
؊
SIMPROG
SIMON
SIMGND
RESETIN
CLKIN
DATAIO
CHARGER
ON
THRESHOLD
EN
CHARGE
PUMP
3V/5V
EN
LOGIC
LEVEL
TRANSLATION
RESET
GENERATOR
DIGITAL LDO
VBAT
VREF
OUT
EN GND PG
POWER GOOD
RTC LDO
VBAT
OUT
EN GND
XTAL OSC LDO
VBAT
VREF
OUT
EN GND
ANALOG LDO
VBAT
VREF
OUT
EN GND
EN
REF
BUFFER
+
1.210V
VCC
2.45V
DGND
VRTC
2.45V
RESET
VTCXO
2.765V
VCCA
2.765V
REFOUT
AGND
I/O CLK RST VSIM
Figure 1. Functional Block Diagram
–6–
REV. 0
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