Electrical Characteristics

1

V

Symbol

Description

Conditions

Min

Typ

Max

Units

Power Supply

V

Input Voltage

2.7

5.5

V

V

UVLO

Under-Voltage Lockout

V

2.7

V

V

2.35

I

Q

Quiescent Current

V

60

120

µA

I

SHDN

Shutdown Current

EN1 = EN2 = GND

1.0

µA

Each Converter

V

FB

Feedback Voltage Tolerance

I

-3.0

-3.0

%

I

V

OUT

Output Voltage Range

0.6

V

IN

V

I

LX LEAK

LX Reverse Leakage Current

V

1.0

µA

(Fixed)

I

LX LEAK

LX Leakage Current

V

1.0

µA

I

FB

Feedback Leakage

V

0.2

µA

I

LIM

P-Channel Current Limit

Each Converter

1.0

A

R

DS(ON)H

High Side Switch On Resistance

0.45

Ω

R

DS(ON)L

Low Side Switch On Resistance

0.40

Ω

ΔV

Load Regulation

I

0.002

%/mA

V

ΔV

Line Regulation

V

0.125

%/V

V

V

FB

Feedback Threshold Voltage

No Load, T

0.591

0.600 0.609

V

Accuracy

F

OSC

Oscillator Frequency

1.7

MHz

T

S

Start-Up Time

From Enable to Output Regulation;

150

µs

Both Channels

Logic

T

SD

Over-Temperature Shutdown

140

°C

Threshold

T

HYS

Over-Temperature Shutdown

15

°C

Hysteresis

V

IL

EN, MODE/SYNC, PS Logic

0.6

V

Low Threshold

V

IH

EN, MODE/SYNC, PS Logic

1.4

V

High Threshold

I

I

Logic Input Current

V

-1.0

1.0

µA

I

PS

AAT2513

Dual 600mA Step-Down

Converter with Synchronization

4

2513.2007.04.1.1

1. The AAT2513 guaranteed to meet performance specifications over the 40°C to +85°C operating temperature range and is assured

by design, characterization and correlation with statistical process controls.