AAT3183 Datasheet, PDF (4/16 Pages) Advanced Analogic Technologies – 300mA Inductorless Step-Down Converter

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 Description
V_IN
Input Voltage
V_OUT Output Voltage Accuracy
V_UVLO Under-Voltage Lockout (UVLO)
I_OUT
Output Current
I_Q
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
Min Typ Max Units
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
2.7
5.5 V
1.485 1.500 1.515 _V
1.470 1.500 1.530
1.5 2
0.15
V
1.3
300 mA
35 60
µA
1
12
16
mV
17
17
3.2V ≤ V_IN ≤ 5.5V, I_OUT = 50mA
2.9
mV/V
0mA ≤ I_OUT ≤ 150mA
I_OUT = 300mA
0.053
mV/mA
100
2
0.4
1.4
1
1
150
15
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 correlation with statistical process controls.
4
3183.2007.07.1.2