AAT3687(2006) 查看數據表（PDF） - Analog Technology Inc

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AAT3687
(Rev.:2006)

Lithium-Ion/Polymer Battery Charger

Analog Technology Inc 

AAT3687

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

Conditions

Operation

ADP Adapter Voltage Range

VADPP

Adapter Present Indicator Threshold

Voltage

VUVLO

Under-Voltage Lockout (UVLO)

UVLO Hysteresis

Rising Edge

IOP

ISLEEP

ILeakage

Operating Current

Sleep Mode Current

Reverse Leakage Current from

BAT Pin

Charge Current = 100mA

AAT3687: VBAT = 4.25V

AAT3687-2: VBAT = 4.25V

VBAT = 4V, ADP Pin Open

Voltage Regulation

VBAT_EOC1 End of Charge Voltage Accuracy

ΔVCH/VCH Output Charge Voltage Tolerance

VMIN

Preconditioning Voltage Threshold

VRCH Battery Recharge Voltage Threshold

Current Regulation

AAT3687 Only

ICH

Charge Current

ΔICH/ICH Charge Current Regulation Tolerance

VADPSET ADPSET Pin Voltage

CC Mode

KIA

Current Set Factor: ICH/IADPSET

Charging Devices

RDS(ON)

Adapter Charging Transistor

On Resistance

VIN = 5.5V

Min

Typ

Max Units

4.0

5.5 V

4.25

4.5

4.7 V

3.0

V

150

mV

0.75

1.5 mA

0.3

1.0 μA

1

3

1.0

μA

4.158

4.20

4.242 V

0.5

%

2.8

3.0

3.15 V

VBAT_EOC - 0.1

V

100

1500 mA

10

%

2.0

V

4000

0.2

0.25

0.35 Ω

1. The AAT3687 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

3687.2006.06.1.5

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