ADP3405 Analog Devices, ADP3405 Datasheet - Page 6

• Manufacturer Part Number: ADP3405
• Description: GSM Power Management System
• Manufacturer: Analog Devices

ADP3405
UVLO
L
H
H
H
H
H
X = Don’t care
Bold denotes the active control signal.
PWRONKEY
ANALOGON
PWRONIN
SIMPROG
RESETIN
RESCAP
CHRON
X
H
X
L
L
L
SIMGND
SIMBAT
DATAIO
CHRON
SIMON
ROWX
CLKIN
CAP+
CAP–
THRESHOLD
ADP3405
CHARGER
PWRONKEY
X
X
L
H
H
H
3V/5V
EN
ON
CHARGE
Inputs
PUMP
GND
VCC
Off
On
On
On
On
X = Don’t care
TRANSLATION
20k
EN
LOGIC
LEVEL
RESET
L
L
H
H
H
UVLO
PWRONIN
X
X
X
L
H
H
I/O
CLK
GENERATOR
RESET
Table II. VSIM Control Logic
RST
Inputs
Table I. LDO Control Logic
UVLO
SIMON
X
X
L
H
H
VBAT
OVER
VSIM
TEMP
ADJ
ANALOGON
X
X
X
X
L
H
SIMPROG
X
X
X
L
H
VRTC
Off
On
On
On
On
On
+
Outputs
VSIM
Off
Off
Off
3 V
5 V
1.210V
VCC
Off
On
On
Off
On
On
POWER GOOD
VBAT
VREF
EN
VBAT
VREF
EN
VBAT
VREF
EN
VBAT
EN
REF
BUFFER
EN
XTAL OSC LDO
ANALOG LDO
DIGITAL LDO
Outputs
VCCA
Off
On
On
Off
Off
On
RTC LDO
GND
GND
GND
GND
OUT
OUT
OUT
OUT
PG
REFOUT
Off
On
On
Off
Off
On
DGND
RESET
VTCXO
2.765V
REFOUT
VCC
2.45V
VRTC
2.45V
VCCA
2.765V
AGND
VTCXO
Off
On
On
Off
Off
On