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ADP3500AST Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part # ADP3500AST
Description  CDMA Power Management System
PDF  29 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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ADP3500AST Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

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REV.PrP 2/6/02
- 2 -
ADP3500 - SPECIFICATIONS
MAIN FUNCTIONS
TA =-30 to +85°C, CVBAT=1µF MLCC, VBAT=3.6V unless otherwise noted. See Table 2 for COUT.
Parameter
Symbol
Conditions
Min
Typ
Max
Units
SHUTDOWN GND CURRENT
Power OFF
IGND
LDO3b : ON, connect to RTCV
through Schottky diode.
RTC/32K OSC : Active
Allother LDOs:OFF
All logic inputs : VBAT or GND
MVBAT: OFF
25
40
µA
OPERATING GND CURRENT
Stand-by mode operation (light load)
Stand-by mode operation (Mid-load)
Active operation
IGND
LDO1b, 2b, 3b, 6b: ON
Io=1mA for LDO1b & 3b
Io=300
µA for LDO2b & 6b
Allother LDOs:OFF
RTC/32K OSC: Active
MVBAT: OFF
All logic output: no load
LDO1, 2, 3, 6, all Sub-LDO: ON,
Io=70% load
Allother LDOs:OFF
RTC/32K OSC: Active
MVBAT: ON
All logic outputs: no load
LDO5: OFF
All other LDOs: ON, 70% load
RTC/32K OSC: Active
All logic outputs: no load
MVBAT: ON
60
275
650
125
µA
µA
µA
Thermal Shutdown Threshold
160
°C
Thermal Shutdown Hysteresis
35
°C
Operational Temperature range
Tope
-30
+85
°C
Adapter Voltage range (recommendation)
VADP
5.5
12
V
VBAT Voltage range
VBAT
3.3
5.5
V
LDO SPECIFICATIONS
TA =25°C, CVBAT=1µF MLCC, VBAT = Vout+1V, NRCAP=0.1µF. See Table 2 for COUT.
Baseband VDD Main-LDO (LDO #1a)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
OUTPUT VOLTAGE
VLDO#1
Io = 1 to 150 mA
Ta= -30 to +85
°C
2.81
2.90
2.99
V
OUTPUT CAPACITOR REQUIRED FOR
STABILITY
C LDO#1
2.2
µF
DROPOUT VOLTAGE
VDO
Io = 150 mA
200
mV
Start-up time from shutdown
250
µS
GND Current
ILDO#1
Io = 150 mA
50
µA
Baseband VDD Sub-LDO (LDO #1b)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
OUTPUT VOLTAGE
VLDO#1b
Io = 1mA
Ta= -30 to +85
°C
2.8
2.87
3.0
V
GND Current
ILDO#1b
10
µA
PRELIMINARY TECHNICAL DATA



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