AAT3687IWP-4.2-T1 参数 Datasheet PDF下载

Lithium-Ion/Polymer Battery Charger

Electrical Characteristics

1

V

ADP

= 5V, T

A

= -40°C to +85°C, unless otherwise noted. Typical values are at T

A

= 25°C.

Symbol

Operation

ADP

V

ADPP

V

UVLO

I

OP

I

SLEEP

I

Leakage

AAT3687

Description

Adapter Voltage Range

Adapter Present Indicator Threshold

Voltage

Under-Voltage Lockout (UVLO)

UVLO Hysteresis

Operating Current

Sleep Mode Current

Conditions

Min

4.0

4.25

Typ

Max Units

5.5

V

V

V

mV

mA

μA

μA

4.242

3.15

V

%

V

V

mA

%

V

4.5

3.0

150

0.75

0.3

1

1.0

4.7

Rising Edge

Charge Current = 100mA

AAT3687: V

BAT

= 4.25V

AAT3687-1, AAT3687-2:

V

BAT

= 4.25V

V

BAT

= 4V, ADP Pin Open

4.158

AAT3687, AAT3687-1 Only

2.8

1.5

1.0

3

Reverse Leakage Current from

BAT Pin

Voltage Regulation

V

BAT_EOC

1

End of Charge Voltage Accuracy

ΔV

CH

/V

CH

Output Charge Voltage Tolerance

V

MIN

Preconditioning Voltage Threshold

V

RCH

Battery Recharge Voltage Threshold

Current Regulation

I

CH

Charge Current

ΔI

CH

/I

CH

Charge Current Regulation Tolerance

V

ADPSET

ADPSET Pin Voltage

K

IA

Current Set Factor: I

CH

/I

ADPSET

Charging Devices

Adapter Charging Transistor

R

DS(ON)

On Resistance

4.20

0.5

3.0

V

BAT_EOC

- 0.1

100

CC Mode

10

2.0

4000

0.2

0.25

1500

V

IN

= 5.5V

0.35

Ω

1. The AAT3687 output charge voltage is specified over the 0° to 70°C ambient temperature range; operation over the -40°C to +85°C

temperature range is guaranteed by design.

4

3687.2006.10.1.7