AAT1162 View Datasheet(PDF) - Analog Technology Inc
Part Name
Description
MFG CO.
'AAT1162' PDF : 16 Pages View PDF
AAT1162
12V, 1.5A Step-Down DC/DC Converter
Electrical Characteristics1
4.0V < VIN < 13.2V. CIN = COUT = 22µF; L = 4.7µH, TA = -40°C to +85°C, unless otherwise noted. Typical val-
ues are at TA = 25°C.
Symbol
VIN
VUVLO
Description
Input Voltage Range
Input Under-Voltage Lockout
IQ
ISHDN
VOUT
VOUT
∆VOUT/
VOUT/∆VIN
∆VOUT/
IOUT
VFB
Supply Current
Shutdown Current
Output Voltage Range
Output Voltage Accuracy
Line Regulation
Load Regulation
Feedback Reference Voltage
(adjustable version)
IFBLEAK FB Leakage Current
FOSC
DC
TON
TS
RDS(ON)H
PWM Oscillator Frequency
Foldback Frequency
Maximum Duty Cycle
Minimum Turn-On Time
Soft-Start Time
P-Channel On Resistance
RDS(ON)L
η
ILIM
ILXLEAK
N-Channel On Resistance
Efficiency
PMOS Current Limit
LX Leakage Current
Conditions
Min Typ Max Units
Rising
Hysteresis
No Load
VEN = GND
IOUT = 0A to 1.5A
4.0
13.2
V
4.0
V
0.3
115 200
µA
1
µA
0.6
0.94 VIN V
-2.5
2.5
%
VIN = 4.5V to 13.2V
0.023 0.100 %/V
VIN = 12V, VOUT = 5V,
IOUT = 0A to 1.5A
0.4
%
No Load, TA = 25°C
0.59 0.60 0.61
V
Adjustable Version
VOUT = 1.2V Fixed Version
0.2
2
0.6 0.8
1
200
94
100
200
VIN = 12V
0.12
VIN = 6V
0.15
VIN = 12V
0.06
VIN = 6V
0.08
VIN = 12V, VOUT = 5V, IOUT = 1.5A
93
2.0 3.0
VIN = 13.2V, VLX = 0 to VIN
1
µA
MHz
kHz
%
ns
µs
Ω
Ω
%
A
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 correlation with statistical process controls.
4
1162.2007.09.1.2
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