AAT3183 查看數據表（PDF） - Advanced Analogic Technologies
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AAT3183 Datasheet PDF : 15 Pages
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ChargePumpTM
PRODUCT DATASHEET
AAT3183
300mA Inductorless Step-Down Converter
Electrical Characteristics1
VIN = 3.6V, CIN = CFLY = 1.0µF, COUT = 4.7µF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA =
25°C.
Symbol
VIN
VOUT
Description
Input Voltage
Output Voltage Accuracy
VUVLO
IOUT
IQ
Under-Voltage Lockout (UVLO)
Output Current
Quiescent Current
Shutdown Current
VPP
Output Voltage Ripple
ΔVOUT/ΔVIN
ΔVOUT/ΔIOUT
TSS
FCLK
VEN(L)
VEN(H)
IEN
ROUT
TSD
THYS
Line Regulation
Load Regulation
Soft-Start Time
Clock Frequency
Enable Threshold Low
Enable Threshold High
EN Input Leakage
Output Impedance
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Conditions
No Load, TA = 25°C
No Load
VIN Rising
Hysteresis
VIN Falling
VEN = VIN, No Load
VEN = GND
IOUT = 300mA
IOUT = 150mA
IOUT = 100mA
IOUT = 10mA
3.2V ≤ VIN ≤ 5.5V, IOUT = 50mA
0mA ≤ IOUT ≤ 150mA
IOUT = 300mA
Min
2.7
-1
-2
1.3
1.4
Typ
1.5
0.15
35
12
16
17
17
2.9
0.053
100
2
1
150
15
Max
5.5
+1
+2
2
300
60
1
0.4
1
Units
V
%
V
mA
µA
mV
mV/V
mV/mA
µs
MHz
V
V
µA
Ω
°C
°C
1. The AAT3183 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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3183.2008.02.1.3
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