AAT2846INJ-EE-T1 AnalogicTech, AAT2846INJ-EE-T1 Datasheet - Page 5

• Manufacturer Part Number: AAT2846INJ-EE-T1
• Description: High Current Charge Pump with Dual LDO for Backlight and Flash Applications
• Manufacturer: AnalogicTech

Electrical Characteristics
V
noted. Typical values are T
1. The AAT2846 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
2. Current matching is defined as the deviation of any sink current from the average of all active channels.
2846.2007.08.1.0
Charge Pump Section
BL1-BL6 Backlight LED Outputs
V
FL1-FL2 Flash LED Outputs
ENS, FEN Logic Control
t
t
t
t
IN
ENS(HI_MIN)
ENS(HI_MAX)
ENS(HI_MAX)
Symbol
I
ENS(HI_MIN)
t
V
by design, characterization, and correlation with statistical process controls.
I
T
I
BL_(TH)
I
ENS
V
ENS(LOW)
V
BL_(MAX)
FL_(MAX)
V
IN(SHDN)
ΔI
ΔI
= 3.6V; C
SD(HYS)
IN(TH_H)
I
FL_(TH)
I
f
ENS(H)
ENS(L)
T
V
IN(Q)
OSC
OUT
(BL_)
(FL_)
, I
SD
IN
FEN
, ENS, FEN Serial Interface
, ENS, FEN Serial Interface
IN Operating Voltage Range
IN Operating Current
IN Shutdown Current
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
OUT Maximum Output Current
Charge Pump Mode Hysteresis
Charge Pump Oscillator
Frequency
BL1-BL6 Maximum Current
BL1-BL6 Current Matching
BL1-BL6 Charge Pump Mode
Transition Threshold
FL1-FL2 Maximum Current
FL1-FL2 Current Matching
FL1-FL2 Charge Pump Mode
Transition Threshold
ENS, FEN Input Low Threshold
ENS, FEN Input High Threshold
ENS, FEN Input Leakage Current V
ENS, FEN Serial Interface
Low Time
Minimum High Time
Maximum High Time
IN
Description
= 4.7µF; C
OUT
A
= 25°C.
= 2.2µF; C
2
2
1, 2
1
= C
Conditions
1X Mode, 3.0V ≤ V
No Load; ENL = AGND, FEN = ENS = IN
1.5X Mode, 3.0V ≤ V
No Load; ENL = AGND, FEN = ENS = IN
2X Mode, 3.0V ≤ V
No Load; ENL = AGND, FEN = ENS = IN
ENA = ENB = ENS = FEN = AGND
Address 0, Data 1
T
Address 0, Data 1; V
Address 12, Data 2; V
Address 0, Data 1; V
Address 4, Data 1; V
Address 4, Data 1; V
V
V
A
ENS
IN
IN
High Current Charge Pump with Dual LDO
2
= 25°C
= 1µF; R
≥ 3.3V
≥ 3.3V
or V
FEN
for Backlight and Flash Applications
= V
FSET
IN
= 280kΩ; T
IN
IN
= 5V
IN
IN
IN
IN
IN
≤ 5.5V, Active,
≤ 5.5V, Active,
IN
- V
- V
≤ 5.5V, Active,
- V
- V
- V
F
F
F
F
= 1.5V
= 1.5V
F
= 1.5V
= 1.5V
= 1.5V
A
= -40°C to +85°C, unless otherwise
Min
-1.0
270
2.7
1.4
0.3
18
Typ
140
600
500
150
300
300
15
20
30
50
2
AAT2846
Max Units
330
5.5
1.0
1.0
4.0
0.4
1.0
22
75
75
1
4
5
MHz
mA
mA
mV
mA
mV
mA
mV
µA
µA
°C
°C
µs
ns
µs
%
%
V
V
V
5