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ADP3408 Datasheet(PDF) 4 Page - Analog Devices

Part # ADP3408
Description  GSM Power Management System
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP3408 Datasheet(HTML) 4 Page - Analog Devices

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ADP3408
REV. 0
–4–
Parameter
Symbol
Condition
Min
Typ
Max
Unit
BATTERY CHARGER
Charger Output Voltage
BATSNS
4.35 V
≤ CHRIN ≤ 10 V3
4.150
4.200
4.250
V
CHGEN = Low, No Load
Load Regulation
∆BATSNS
CHRIN = 5 V
15
mV
0
≤ CHRIN – ISENSE
< Current Limit Threshold
CHGEN = Low
CHRDET On Threshold
CHRIN – BATSNS
30
90
150
mV
CHRDET Off Threshold
CHRIN – BATSNS
15
45
100
mV
CHRDET Off Delay4
CHRIN < VBAT
6
ms/nF
CHRIN Supply Current
CHRIN = 5 V
0.6
mA
BATTERY CHARGER
Current Limit Threshold
CHRIN – ISENSE
High Current Limit
CHRIN = 5 V dc
142
160
190
mV
(UVLO Not Active)
VBAT = 3.6 V
CHGEN = Low
Low Current Limit
VBAT = 2 V
20
35
mV
(UVLO Active)
CHGEN = Low
CHRIN = 5 V
ISENSE Bias Current
200
µA
End-of-Charge Signal Threshold
CHRIN – ISENSE
CHRIN = 5 V
14
35
mV
VBAT > 4.0 V
CHGEN = Low
EOC Reset Threshold
VBAT
CHGEN = Low
3.82
3.96
4.10
V
GATEDR Transition Time
tR, tF
CHRIN = 5 V
0.1
1
µs
VBAT > 3.6 V
CHGEN = High, CL = 2 nF
GATEDR High Voltage
VOH
CHRIN = 5 V
4.5
V
VBAT = 3.6 V
CHGEN = High,
GATEIN = High
IOH = –1 mA
GATEDR Low Voltage
VOL
CHRIN = 5 V
0.5
V
VBAT = 3.6 V
CHGEN = High
GATEIN = Low
IOL = 1 mA
Output High Voltage
VOH
IOH = –250
µA
2.4
V
(EOC, CHRDET)
Output Low Voltage
VOL
IOL = +250
µA
0.25
V
(EOC, CHRDET)
Battery Overvoltage
BATSNS
CHRIN = 7.5 V
5.30
5.50
5.70
V
Protection Threshold
CHGEN = High
(GATEDR
→ High)
GATEIN = Low
Battery Overvoltage
BATSNS
CHRIN = 7.5 V
200
mV
Protection Hysteresis
CHGEN = High
GATEIN = Low
NOTES
1All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods.
2This feature is intended to protect against catastophic failure of the device. Maximum allowed operating junction temperature is 125ºC. Operation beyond
125ºC could cause permanent damage to the device.
3No isolation diode present between charger input and battery.
4Delay set by external capacitor on the RESCAP pin.
Specifications subject to change without notice.



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