PRODUCT DATASHEET
AAT2861
ChargePump
TM
Backlight/Flash LED Driver and Multiple LDO Lighting Management Unit
Typical Characteristics
EN/SET, FL_EN, EN_LDOA, EN_LDOB/C
High Threshold Voltage vs. Input Voltage
1.4
EN/SET, FL_EN, EN_LDOA, EN_LDOB/C
Low Threshold Voltage vs. Input Voltage
1.2
V
EN/SET(H)
, V
FL_EN(H)
,
V
EN_LDOA(H)
, V
EN_LDOB/C(H)
(V)
V
EN/SET(L)
, V
FL_EN(L)
,
V
EN_LDOA(L)
, V
EN_LDOB/C(L)
(V)
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
-40°C
25°C
85°C
-40°C
25°C
85°C
0.4
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
0.2
2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
Input Voltage (V)
Input Voltage (V)
EN/SET Input Latch Timeout vs. Input Voltage
400
350
300
250
200
150
100
2.7
EN/SET Input Off Timeout vs. Input Voltage
500
450
400
T
OFF
(µs)
-40°C
25°C
85°C
3.1
3.5
3.9
4.3
4.7
5.1
5.5
T
LAT
(µs)
350
300
250
200
150
100
2.7
3.1
3.5
3.9
4.3
4.7
-40°C
25°C
85°C
5.1
5.5
Input Voltage (V)
Input Voltage (V)
2861.2009.02.1.2
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9
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
