AAT3688 查看數據表（PDF） - Advanced Analog Technology, Inc.
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AAT3688 Datasheet PDF : 23 Pages
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AAT3688
USB Port Lithium-Ion/Polymer Battery Charger
Electrical Characteristics1
VADP = 5V, TA = -25°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Symbol Description
Operation
USB Input Voltage Range
VUVLO
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
IOP
ISLEEP
ILeakage
Operating Current
Sleep Mode Current
Reverse Leakage Current from
BAT Pin
Voltage Regulation
VBAT_EOC1 End of Charge Voltage Accuracy
ΔVBAT/VBAT EOC Voltage Tolerance
VMIN
Preconditioning Voltage Threshold
VRCH
Battery Recharge Voltage Threshold
VUSB_CHR USB Charge Reduction Regulation
VCHR
CHR Pin Voltage Accuracy
Current Regulation
ICH
ΔICH/ICH
Charge Current
Charge Current Regulation
Tolerance
VUSBH USBH Pin Voltage
VUSBL USBL Pin Voltage
KIUH
Current Set Factor: ICHARGE/IUSBH
KIUL
Current Set Factor: ICHARGE/IUSBL
Charging Devices
RDS(ON)U
USB Charging Transistor
On Resistance
Conditions
Rising Edge
CC Charge Current = 500mA
VBAT = 4.25V
VBAT = 4V, USB Pin Open
No Connection on CHR Pin
CC Mode
CC Mode
VIN = 5.5V
Min
4.0
4.158
2.8
4.3
1.9
50
0.4
Typ
3.0
150
0.75
0.3
1.0
4.2
0.5
3.0
VBAT_EOC - 0.1
4.5
2.0
10
2.0
2.0
2000
2000
0.5
Max
5.5
1.5
1.0
4.242
3.15
4.64
2.1
500
0.65
Units
V
V
mV
mA
µA
µA
V
%
V
V
V
V
mA
%
V
V
Ω
1. The AAT3688 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C
temperature range is guaranteed by design.
4
3688.2006.10.1.5
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