AAT1162 데이터 시트보기 (PDF) - Skyworks Solutions
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AAT1162 Datasheet PDF : 19 Pages
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DATA SHEET
AAT1162
12V, 1.5A Step-Down DC/DC Converter
Electrical Characteristics1
4.0V < VIN < 13.2V. CIN = COUT = 22μF; L = 2.2 or 3.8μH, TA = -40°C to +85°C, unless otherwise noted. Typical values
are at TA = 25°C.
Symbol
VIN
VUVLO
IQ
ISHDN
VOUT
VOUT
VOUT/
VOUT/VIN
VOUT/
IOUT
VFB
IFBLEAK
FOSC
DC
TON
TS
RDS(ON)H
RDS(ON)L
ILIM
ILXLEAK
TSD
THYS
VIL
VIH
IEN
Description
Input Voltage Range
Input Under-Voltage Lockout
Supply Current
Shutdown Current
Output Voltage Range
Output Voltage Accuracy
Line Regulation
Load Regulation
Feedback Reference Voltage (adjustable version)
FB Leakage Current
PWM Oscillator Frequency
Foldback Frequency
Maximum Duty Cycle
Minimum Turn-On Time
Soft-Start Time
P-Channel On Resistance
N-Channel On Resistance
Efficiency
PMOS Current Limit
LX Leakage Current
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
EN Logic Low Input Threshold
EN Logic High Input Threshold
EN Input Current
Conditions
Rising
Hysteresis
No Load
VEN = GND
IOUT = 0A to 1.5A
VIN = 4.5V to 13.2V
VIN = 12V, VOUT = 5V, IOUT = 0A to 1.5A
No Load, TA = 25°C
VOUT = 1.2V
Adjustable Version
Fixed Version
VIN = 12V
VIN = 6V
VIN = 12V
VIN = 6V
VIN = 12V, VOUT = 5V, IOUT = 1.5A
VIN = 13.2V, VLX = 0 to VIN
VEN = 0V, VEN = 13.2V
Min
4.0
0.6
-2.5
0.59
0.6
4.0
1.4
-1.0
Typ
0.3
150
0.023
0.4
0.60
2
0.8
200
100
2
0.12
0.15
0.06
0.08
90
6.0
140
25
Max
13.2
4.0
300
1
0.94
VIN
2.5
0.100
0.61
0.2
1
94
1
0.4
1.0
Units
V
V
μA
μA
V
%
%/V
%
V
μA
MHz
kHz
%
ns
ms
%
A
μA
°C
°C
V
V
μA
1. The AAT1162 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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
4
201998B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013
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