 English |
|
|
|
|
|
|
|
| AAT2846_08 Datasheet, PDF (5/22 Pages) Advanced Analogic Technologies – High Current Charge Pump with Dual LDO for Backlight and Flash Applications | |||
| |||
| ◁ |
PRODUCT DATASHEET
AAT2846
ChargePumpTM High Current Charge Pump with Dual LDO for Backlight and Flash Applications
Electrical Characteristics1
VIN = 3.6V; CIN = 4.7µF; COUT = 2.2µF; C1 = C2 = 1µF; RFSET = 280kâ¦; TA = -40°C to +85°C, unless otherwise noted.
Typical values are TA = 25°C.
Symbol Description
Linear Regulators
VFBA, VFBB
IOUTA(MAX),
IOUTB(MAX)
VOUTA(DO),
VOUTB(DO)
PSRRA,
PSRRB
VEN_(L)
VEN_(H)
tEN_(DLY)
Feedback Voltage Tolerance
OUTA, OUTB Maximum Load Current
OUTA, OUTB Dropout Voltage
OUTA, OUTB Power Supply Rejection Ratio
ENA, ENB Voltage Low Threshold
ENA, ENB Voltage High Threshold
ENA, ENB Enable Delay
Conditions
IOUT = 1mA to 200mA
ENA = ENB = IN, ENS = AGND
IOUT = 150mA
IOUT = 10mA, CREF = 10nF, 1kHz
REF = Open
Min Typ Max Units
1.17
1.2
1.23
V
200
200
mA
150
300
mV
50
dB
0.4
V
1.4
V
15
µs
1. The AAT2846 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-
tion with statistical process controls.
2846.2008.03.1.1
www.analogictech.com
5
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese