AAT3183_08 Datasheet, PDF (4/15 Pages) Advanced Analogic Technologies – 300mA Inductorless Step-Down Converter

ChargePump^TM
PRODUCT DATASHEET
AAT3183
300mA Inductorless Step-Down Converter
Electrical Characteristics¹
V_IN = 3.6V, C_IN = C_FLY = 1.0µF, C_OUT = 4.7µF, T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A =
25°C.
Symbol
V_IN
V_OUT
Description
Input Voltage
Output Voltage Accuracy
V_UVLO
I_OUT
I_Q
Under-Voltage Lockout (UVLO)
Output Current
Quiescent Current
Shutdown Current
V_PP
Output Voltage Ripple
ΔV_OUT/ΔV_IN
ΔV_OUT/ΔI_OUT
T_SS
F_CLK
V_EN(L)
V_EN(H)
I_EN
R_OUT
T_SD
T_HYS
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, T_A = 25°C
No Load
V_IN Rising
Hysteresis
V_IN Falling
V_EN = V_IN, No Load
V_EN = GND
I_OUT = 300mA
I_OUT = 150mA
I_OUT = 100mA
I_OUT = 10mA
3.2V ≤ V_IN ≤ 5.5V, I_OUT = 50mA
0mA ≤ I_OUT ≤ 150mA
I_OUT = 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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