AAT2842INJ-EE-T1 Advanced Analog Technology, Inc., AAT2842INJ-EE-T1 Datasheet - Page 8

• Manufacturer Part Number: AAT2842INJ-EE-T1
• Description: High-Current Charge Pump with S2Cwire Control and Dual LDO for Backlight and Flash
• Manufacturer: Advanced Analog Technology, Inc.

Typical Characteristics
V
otherwise noted. Typical values are at T
(500mV/div)
8
IN
= 3.6V; C
(2V/div)
400
350
300
250
200
150
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
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
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
ENL
V
OUT
BENS, FENS High Threshold Voltage
-40°C
LDOs A and B Turn On Characteristic
85°C
IN
BENS, FENS Latch Timeout
= 4.7µF; C
vs. Supply Voltage
vs. Supply Voltage
25°C
Time (50µs/div)
-40°C
V
V
OUT
IN
IN
85°C
(V)
(V)
= 2.2µF; C
25°C
A
Control and Dual LDO for Backlight and Flash
1
= 25°C.
= C
High-Current Charge Pump with S
2
= 1.0µF; R
BSET
-0.50
-1.00
1.00
0.50
0.00
BENS, FENS Off Timeout vs. Supply Voltage
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
500
450
400
350
300
250
200
150
= R
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
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
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
BENS, FENS Low Threshold Voltage
FSET
LDOs A and B Line Regulation
-40°C
-40°C
= 280kΩ; T
85°C
85°C
vs. Supply Voltage
Input Voltage (V)
25°C
A
V
V
25°C
= -40°C to +85°C, unless
IN
IN
(V)
(V)
OUTA
AAT2842
OUTB
2842.2007.09.1.2
2
Cwire™