AAT1130 데이터 시트보기 (PDF) - Analog Technology Inc
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AAT1130 Datasheet PDF : 19 Pages
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SwitchRegTM
PRODUCT DATASHEET
AAT1130
2.5MHz 500mA Step-Down DC/DC Converter
Electrical Characteristics1
VIN = 3.6V, CIN = COUT = 4.7μF, L = 1μH. TA = -40°C to 85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
VIN
VOUT
VUVLO
IQ
ISHDN
VOUT_TOL (fixed
output version)
VFB_ACC
ILIM
RDS(ON)H
RDS(ON)L
fON
tOFF(MIN)
ILXLEAK
IFBLEAK
tS
fS
TSD
THYS
VEN(L)
VEN(H)
IEN
Description
Input Voltage
Output Voltage Range
UVLO Threshold
Quiescent Current
Shutdown Current
Output Voltage Tolerance
Feedback Voltage Accuracy
Valley Current Limit
High Side Switch On-Resistance
Low Side Switch On-Resistance
Switch On-Time
Minimum Off-Time
LX Leakage Current
FB Leakage Current
Startup Time
Switching Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Enable Threshold Low
Enable Threshold High
Enable Pin Current
Conditions
VIN rising
Hysteresis
Not Switching
EN = AGND = PGND
VIN = 2.7V to 5.5V, 0 to 500mA Load
TA = 25°C, No Load
VIN = 3.6V, VOUT = 1.2V
VIN = 5.5, VLX = 0 to VIN
VFB = 5.5V, VEN = 0V, Adj Only
From EN Asserted to Output Regulation
VOUT = 1.2V, 500mA Load
VIN = VFB =5.5V
Min
2.7
0.6
-4
0.59
550
1.4
-1.0
Typ
100
60
0.6
650
0.35
0.25
120
75
150
2.5
140
15
Max
5.5
1.8
2.65
90
1.0
4
0.61
1
0.2
0.6
1.0
Units
V
V
V
mV
μA
μA
%
V
mA
Ω
Ω
ns
ns
μA
μA
μs
MHz
°C
°C
V
V
μA
1. The AAT1130 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.
4
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1130.2008.08.1.1
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