AAT2847IML-EE-T1 Advanced Analog Technology, Inc., AAT2847IML-EE-T1 Datasheet - Page 9

• Manufacturer Part Number: AAT2847IML-EE-T1
• Description: Four-Channel Backlight Driver with Dual LDOs
• Manufacturer: Advanced Analog Technology, Inc.

Typical Characteristics
(100mA/div)
(400mV/div)
(100mV/div)
ChargePump
ChargePump
2847.2008.05.1.2
2847.2008.05.1.2
(20mV/div)
LDOA/LDOB Quiescent Current vs. Input Voltage
120
100
80
60
40
20
0
2.7
V
V
I
LDOB
LDOB
LDOB
V
IN
3.1
LDOB Load Transient Response
LDOB Line Transient Response
3.5
TM
TM
(V
85°C
-40°C
200mA
(V
IN
Input Voltage (V)
OUT
= 3.6V; V
(10mA Load)
3.9
Time (20µs/div)
Time (40µs/div)
= 1.2V)
V
25°C
IN
= 3.6V
LDOB
4.3
10mA
= 1.2V)
V
4.7
IN
= 4.2V
5.1
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
5.5
Four-Channel Backlight Driver with Dual LDOs
Four-Channel Backlight Driver with Dual LDOs
(100mA/div)
(400mV/div)
(100mV/div)
(20mV/div)
V
V
I
LDOA
LDOA
LDOA
V
IN
LDOA Load Transient Response
LDOA Line Transient Response
PRODUCT DATASHEET
PRODUCT DATASHEET
200mA
(V
IN
= 3.6V; V
(10mA Load)
Time (20µs/div)
Time (40µs/div)
AAT2847
AAT2847
V
IN
LDOA
= 3.6V
V
10mA
IN
= 4.2V
= 1.2V)
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