AAT2833/34
240mA Total Display Solution
for Portable Devices
1
Electrical Characteristics
VIN = 3.6V; CIN = 4.7µF; C1 = C2 = 1µF; COUT = 2.2µF; TA = -40°C to +85°C, unless otherwise noted. Typical
values are TA = 25°C.
Symbol Description
Charge Pump Section
Conditions
Min Typ Max Units
VIN
IN Operating Supply Voltage Range
2.7
5.5
0.6
V
1X Mode, Address = 0, Data = 1,
VEN/SET = VIN
1.5X Mode, Address = 0, Data = 1,
4
5
VEN/SET = VIN
IIN
IN Operating Supply Current
mA
2X Mode, Address = 0, Data = 1,
VEN/SET = VIN
1X LL Mode, Address = 3,
Data = 1, VEN/SET = VIN
VEN/SET = 0V, TA = 25°C
0.3
1
ISHDN
IOUT
IN Shutdown Current
µA
mA
OUT Maximum Output Current
BL1-BL6, RGB Charge Pump
Mode Transition Hysteresis
240
500
VTH(HYS)
mV
VBSET
fOSC
tSS
TSD
TSD(HYS)
BSET Pin Voltage
0.7
2
200
140
15
V
MHz
µs
°C
°C
Charge Pump Oscillator Frequency
Charge Pump Soft-Start Delay
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
BL1-BL6 Backlight LED Outputs
Address = 0, Data = 1,
VIN - VF = 1.5V
Address = 0, Data = 1,
VIN - VF = 1.5V
IBL_(MAX)
ΔIBL
BL1-BL6 Maximum Current
27
51
30
33
1
mA
%
2
BL1-BL6 Current Matching
BL1-BL6 Charge Pump Mode
Transition Threshold
VBL_(TH)
100
mV
RGB LED Outputs
Address = 12, Data = 7,
VIN - VF = 1.5V
IRGB_(MAX) R-G-B Maximum Current
60
69
mA
mV
RGB Charge Pump Mode
VRGB_(TH)
100
Transition Threshold
1. The AAT2833/34 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.
2. Current matching is defined as the deviation of any sink current from the average of all active channels.
4
2833.2007.09.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
