AAT3603178

Total Power Solution for Portable Applications

PRODUCT DATASHEET

3603.2008.06.1.0

7

www .analogictech.com

AAT3603178

Total Power Solution for Portable Applications

PRODUCT DATASHEET

3603.2008.06.1.0

7

www .analogictech.com

Symbol

Description

Conditions

Min

Typ

Max

Units

Logic Control / Protection (continued)

Over Current Protection Threshold

105

Constant Current Mode Time Out

3

Hours

Trickle Charge Time Out

Hours

Constant Voltage Mode Time Out

3

Hours

Current Source from TS Pin

71

75

79

μA

TS Hot Temperature Fault

Falling Threshold

318

331

346

mV

Hysteresis

25

TS Cold Temperature Fault

Rising Threshold

2.30

2.39

2.48

V

Hysteresis

25

mV

Thermal Loop Entering Threshold

115

°C

Thermal Loop Exiting Threshold

85

°C

Thermal Loop Regulation

100

°C

Step-Down Buck Converter (Core)

Output Voltage Accuracy

1.71

1.80

1.89

V

P-Channel Current Limit

0.8

A

High Side Switch On-Resistance

0.8

Ω

Low Side Switch On-Resistance

0.8

Ω

Oscillator Frequency

1.5

MHz

Start-Up Time

100

μs

LDO1 (PowerDigital)

Output Voltage Accuracy

-3

+3

%

Output Current

300

mA

Output Current Limit

1000

mA

Dropout Voltage

160

320

mV

0.07

%/V

Load Regulation

40

mV

PSRR

Power Supply Rejection Ratio

60

dB

Start Up Time

175

μs

1. Specification over the –40°C to +85°C operating temperature range is assured by design, characterization and correlation with statistical process controls.