ADP3402 查看數據表（PDF） - Analog Devices
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ADP3402 Datasheet PDF : 12 Pages
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ADP3402–SPECIFICATIONS (–20°C ≤ TA ≤ +85°C, VBAT = 3 V to 7 V, CVBAT= CSIMBAT = CVSIM= 10 F,
CVCC = CVCCA = 2.2 F, CVRTC = 0.1 F, CVTCXO = 0.22 F, CVCAP = 0.1 F, minimum loads
applied on all outputs, unless otherwise noted)
ELECTRICAL CHARACTERISTICS1
Parameter
SHUTDOWN SUPPLY CURRENT
VBAT = Low (UVLO Low)
VBAT = High (UVLO High)
OPERATING GROUND CURRENT
VCC, VRTC, VCCA, REFOUT On
VCC, VRTC, VCCA, REFOUT
and VSIM On
All LDOs and VSIM On
All LDOs and VSIM On
UVLO CHARACTERISTICS
UVLO On Threshold
UVLO Hysteresis
INPUT CHARACTERISTICS
Input High Voltage
PWRONIN and ANALOGON
PWRONKEY
Input Low Voltage
PWRONIN and ANALOGON
PWRONKEY
PWRONKEY INPUT PULLUP
RESISTANCE TO VBAT
CHRON CHARACTERISTICS
CHRON Threshold
CHRON Hysteresis Resistance
CHRON Input Bias Current
ROWX CHARACTERISTICS
ROWX Output Low Voltage
ROWX Output High Leakage
Current
SHUTDOWN
Thermal Shutdown Threshold2
Thermal Shutdown Hysteresis
DIGITAL LDO (VCC)
Output Voltage
Line Regulation
Load Regulation
Output Capacitor3
ANALOG LDO (VCCA)
Output Voltage
Line Regulation
Load Regulation
Output Capacitor3
Dropout Voltage
Ripple Rejection
Output Noise Voltage
Symbol
IBAT
IGND
VBATUVLO
VIH
VIL
VT
RIN
IB
VOL
IIH
VCC
∆VCC
∆VCC
CO
VCCA
∆VCCA
∆VCCA
CO
VDO
∆VBAT/
∆VCCA
VNOISE
Conditions
VBAT = 2.7 V
VBAT = 3.6 V, VRTC On
Minimum Loads, VBAT = 3.6 V
Minimum Loads, VBAT = 3.6 V
Minimum Loads, VBAT = 3.6 V
Maximum Loads, VBAT = 3.6 V
2.38 < CHRON < VT
CHRON > VT
PWRONKEY = Low
IOL = 200 µA
PWRONKEY = High
V(ROWX) = 5 V
Junction Temperature
Junction Temperature
Line, Load, Temp
3 V < VBAT < 7 V, Min Load
50 µA < ILOAD < 100 mA,
VBAT = 3.6 V
Line, Load, Temp
3 V < VBAT < 7 V, Min Load
200 µA < ILOAD < 130 mA,
VBAT = 3.6 V
VO = VINITIAL – 100 mV
ILOAD = 130 mA
f = 217 Hz (t = 4.6 ms)
VBAT = 3.6 V
f = 10 Hz to 100 kHz
ILOAD = 130 mA, VBAT = 3.6 V
Min Typ Max
3 20
12 30
175 240
230 340
260 400
15
3.2 3.3
200
Unit
µA
µA
µA
µA
µA
mA
V
mV
2
V
0.7 ϫ VBAT
V
0.4
V
0.3 ϫ VBAT V
15
20 25
kΩ
2.38 2.48 2.58
V
108 125 138
kΩ
0.5
µA
0.4
V
1
µA
160
35
2.400 2.450 2.500
2
15
2.2
2.710 2.765 2.820
2
15
2.2
215
65
70
75
ºC
ºC
V
mV
mV
µF
V
mV
mV
µF
mV
dB
µV rms
–2–
REV. 0
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