AAT3129 datasheet(4/15 Pages) AAT

4 / 15 page

Electrical Characteristics1

VIN = 3.5V, CIN = CCP = C1 = C2 = 1μF; TA = -40°C to +85°C. Unless otherwise noted, typical values are TA = 25°C.

Symbol

Description

Conditions

Min

Typ

Max

Units

Input Power Supply

VIN

Operation Range

2.7

5.5

ICC

Operating Current

3.0

≤ VIN ≤ 5.5, CP = 1.5X,

No Load Current

ISHDN

Shutdown Current

EN = 0

μA

ISRC

Output Current Accuracy

3.0

≤ VIN ≤ 5.5

-5

Charge Pump

Start-Up Delay Time

200

μs

FCLK

Clock Frequency

MHz

Efficiency

VIN = 3.5V

Switches

RDS(ON)

Switch On Resistance

VIN = 3.5V, TA = 25°C

1.5

EN/SET

VEN(L)

Enable Threshold Low

VIN = 2.7V

0.4

VEN(H)

Enable Threshold High

VIN = 5.5V

1.4

TEN/SET LO

EN/SET Low Time

0.3

μs

TEN/SET HI MIN

Minimum EN/SET High Time

TOFF

EN/SET Off Timeout

500

μs

TLAT

EN/SET Latch Timeout

500

μs

IEN/SET

EN/SET Input Leakage

VEN/SET = 5.5V, VIN = 5.5V

-1

μA

AAT3129

High Efficiency 1X/1.5X/2X Charge Pump

for RGB Color LED Applications

3129.2007.01.1.4

1. The AAT3129 is 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.

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