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參數資料
| 型號： | ADP3522ACP-3 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | GSM Power Management System |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32 |
| 封裝： | 5 X 5 MM, EXPOSED PAD, MO-220-VHHD-2, LFCSP-32 |
| 文件頁數： | 4/20頁 |
| 文件大小： | 467K |
| 代理商： | ADP3522ACP-3 |
REV. 0
–4–
ADP3522
ELECTRICAL CHARACTERISTICS
1
Parameter
(–20 C < T
< +85 C, VBAT = VBAT2 = 3 V–5.5 V, CVSIM = CVCORE = CVAN = CVMEM =
2.2 F, VTCXO = 0.22 F, CVRTC = 0.1 F, CVBAT = 10 F, minimum loads applied on
all outputs, unless otherwise noted.)
Symbol
Conditions
Min
Typ
Max
Unit
TCXO LDO (VTCXO)
Output Voltage
Line Regulation
Load Regulation
VTCXO
VTCXO
VTCXO
Line, Load, Temperature
2.711
2.75
2
2
2.789
V
mV
mV
50
μ
A
≤
I
LOAD
≤
20 mA,
VBAT = 3.6 V
Output Capacitor Required for
Stability
Dropout Voltage
C
O
0.22
μ
F
V
DO
V
O
= V
INITIAL
– 100 mV
I
LOAD
= 20 mA
f = 217 Hz (t = 4.6 ms)
VBAT = 3.6 V
f = 10 Hz to 100 kHz
I
LOAD
= 20 mA, VBAT = 3.6 V
160
300
mV
Ripple Rejection
VBAT/
VTCXO
V
NOISE
65
dB
Output Noise Voltage
80
μ
V rms
MEMORY LDO (VMEM)
Output Voltage-3
Output Voltage-1.8
Line Regulation
Load Regulation
VMEM
VMEM
VMEM
VMEM
Line, Load, Temperature
Line, Load, Temperature
2.740
1.80
2.80
1.85
2
12
2.850
1.90
V
V
mV
mV
50
μ
A < I
LOAD
< 150 mA
VBAT = 3.6 V
Output Capacitor Required for
Stability
Dropout Voltage-3
C
O
2.2
μ
F
V
O
= V
INITIAL
– 100 mV
I
LOAD
= 150 mA
160
360
mV
REFOUT
Output Voltage
Line Regulation
Load Regulation
VREFOUT
VREFOUT
VREFOUT
Line, Load, Temperature
Min Load
0
μ
A < I
LOAD
< 50
μ
A
VBAT = 3.6 V
f = 217 Hz (t = 4.6 ms)
1.19
1.21
0.2
0.5
1.23
V
mV
mV
Ripple Rejection
VBAT/
VREFOUT
C
O
V
NOISE
65
75
dB
Maximum Capacitive Load
Output Noise Voltage
100
pF
μ
V rms
f = 10 Hz to 100 kHz
40
RESET GENERATOR (
RESET
)
Output High Voltage
Output Low Voltage
Output Current
V
OH
V
OL
I
OL
/I
OH
I
OH
= +500
μ
A
I
OL
= –500
μ
A
V
OL
= 0.25 V,
V
OH
= V
MEM
– 0.25 V
V
MEM
– 0.25
V
V
mA
0.25
1
Delay Time per Unit Capacitance
Applied to RESCAP Pin
t
D
0.6
1.2
2.4
ms/nF
BATTERY VOLTAGE DIVIDER
Divider Ratio
BATSNS/
MVBAT
Z
O
TCXOEN = High
2.32
2.35
2.37
Divider Impedance at MVBAT
Divider Leakage Current
Divider Resistance
59.5
85
110
1
385
k
μ
A
k
TCXOEN = Low
TCXOEN = High
215
300
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