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參數(shù)資料
| 型號(hào)： | ADP3502 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | CDMA Power Management System |
| 中文描述： | CDMA的電源管理系統(tǒng) |
| 文件頁(yè)數(shù)： | 2/36頁(yè) |
| 文件大小： | 714K |
| 代理商： | ADP3502 |
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REV. 0
–2–
ADP3502–SPECIFICATIONS
MAIN FUNCTIONS
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SHUTDOWN GND CURRENT
Power OFF
IGND
T
A
= –20
°
C to +60
°
C
LDO3b: ON, Connect to RTCV
through Schottky Diode
RTC/32K OSC: Active
All Other LDOs: OFF
All Logic Inputs: VBAT or GND
MVBAT: OFF
25
45
μ
A
OPERATING GND CURRENT
Standby Mode Operation (Light Load)
IGND
LDO1b, LDO2b, LDO3b,
LDO6b: ON
I
O
= 1 mA for LDO3b and LDO6b
I
O
= 3 mA for LDO1b
I
O
= 300
μ
A for LDO2b
All Other LDOs: OFF
RTC/32K OSC: Active
MVBAT: OFF
All Logic Output: No Load
LDO1, LDO2, LDO3, LDO6,
All Sub-LDOs: ON, I
O
= 70% Load
All Other 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
125
μ
A
Standby Mode Operation (Midload)
300
μ
A
Active Operation
700
μ
A
THERMAL SHUTDOWN THRESHOLD
160
°
C
°
C
THERMAL SHUTDOWN HYSTERESIS
35
ADAPTER/ADPSUPPLY VOLTAGE RANGE
VADP
5
12
V
VBAT VOLTAGE RANGE
VBAT
3.3
5.5
V
(T
A
= –30 C to +85 C, C
VBAT
= 1 F MLCC, VBAT = 3.6 V, unless otherwise noted. See Table II for C
OUT
.)
LDO SPECIFICATIONS
(T
A
= 25 C, C
VBAT
= 1 F MLCC, VBAT = V
OUT
+ 1 V, NRCAP = 0.1 F. See Table II for C
OUT
.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
BASEBAND VDD MAIN-LDO (LDO1a)
Output Voltage
V
LDO1a
I
O
= 1 mA to 150 mA
T
A
= –30
°
C to +85
°
C
2.81
2.90
2.99
V
Output Capacitor Required for Stability
Dropout Voltage
Start-Up Time from Shutdown
C
LDO1a
V
DO
2.2
μ
F
mV
μ
s
I
O
= 150 mA
200
250
BASEBAND VDD SUB-LDO (LDO1b)
Output Voltage
V
LDO1b
I
O
= 3 mA
T
A
= –30
°
C to +85
°
C
2.8
2.87
3.0
V
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