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| AAT2783_12 Datasheet, PDF (5/22 Pages) Skyworks Solutions Inc. – Triple-Output PMIC Dual Buck with Low-VIN LDO | |||
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DATA SHEET
AAT2783
Triple-Output PMIC: Dual Buck with Low-VIN LDO
Electrical Characteristics1
VP1 = VP2 = VIN = 3.3V; VIN3=1.7V, TA = -40°C to 85°C, unless noted otherwise. Typical values are at TA = 25°C.
Symbol Description
Conditions
Channel 2: 400mA Step-down (Buck) Converter
VP2
Input Voltage
VOUT2
Output Voltage Range
VOUT2(TOL)
Output Voltage Tolerance
IOUT2= 0 to 400mA; VP1 = 2.7 to 5.5V
VFB2
Feedback Pin Voltage
ÎVLOADREG2 Load Regulation
IOUT2 = 0 to 400mA
ÎVLINEREG2 Line Regulation
VP2 = 2.7 to 5.5V
IQ2
Quiescent Current
No Load; EN2 = VIN; EN1 = EN3 = GND
ILIM2
P-Channel Current Limit
RDS(ON)H2
High Side Switch On-Resistance
RDS(ON)L2
Low Side Switch On-Resistance
FOSC2
Oscillator Frequency
TS2
Start-Up Time
From Enable to Output Regulation
Channel 3: 400mA Low Dropout (LDO) Converter
VIN3
VDO3
VOUT3
Input Voltage
Dropout Voltage
LDO Output Voltage Tolerance
IOUT3 = 150mA; VOUT3 > 1.20V
IOUT3 = 400mA; VOUT3 > 1.20V
VIN3 = VOUT3 + VDO3 to 5.5V; IOUT3 = 0mA
to 400mA
IOUT3
ISC
IQ
TS
PSRR
eN
Max Output Current
Short-Circuit Current
Quiescent Current
Start-Up Time
Power Supply Rejection Ratio
Output Noise
VOUT3 = 1.2V
VOUT3 < 0.4V
No Load; EN1 = EN2 = GND; EN3 = VIN
From Enable to Output Regulation
10Hz, IOUT3 = 10mA
3kHz, IOUT3 = 10mA
30kHz, IOUT3 = 10mA
300kHz, IOUT3 = 10mA
BW = 100Hz to 300kHz, CBYP = 10nF,
IOUT3 = 10mA
Min
2.7
0.6
-3.0
0.591
VOUT3 + VDO3
1.164
400
Typ
0.6
0.5
0.3
65
1.7
250
190
1.3
200
140
300
1.200
1.1
70
200
85
80
60
55
65
Max
5.5
VP2
3.0
0.609
5.5
1.236
Units
V
V
%
V
%
%
μA
A
mΩ
mΩ
MHz
μs
V
mV
V
mA
A
μA
μs
dB
dB
dB
dB
μVRMS
1. The AAT2783 is guaranteed to meet performance specifications over the â40°C to +85°C operating temperature range and is assured by design, characterization and correla-
tion with statistical process controls.
Skyworks Solutions, Inc. ⢠Phone [781] 376-3000 ⢠Fax [781] 376-3100 ⢠sales@skyworksinc.com ⢠www.skyworksinc.com
202039A ⢠Skyworks Proprietary Information ⢠Products and Product Information are Subject to Change Without Notice. ⢠June 8, 2012
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