AAT2845

Four-Channel Backlight Driver with Dual LDOs

2845.2006.12.1.0

5

Symbol

Description

Conditions

Min

Typ

Max Units

LDOs

IN Operating Current

ENLDO = IN, EN/SET = AGND,

80

150

µA

No Load

Feedback Voltage

1.17

1.2

1.23

V

Dropout Voltage

150

300

mV

Line Regulation

0.09

%/V

PSRR

Power Supply Rejection Ratio

50

dB

LDO Logic Control

EN/SET, ENLDO Pins Logic

0.4

V

Low Threshold

EN/SET, ENLDO Pins Logic High

1.4

V

Threshold

1. The AAT2845 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.