AAT2114A Datasheet, PDF (4/16 Pages) Skyworks Solutions Inc. – 2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator

DATA SHEET
AAT2114A
2.5A Low-Noise, Fast Transient 3MHz Step-Down Regulator
Electrical Characteristics¹
Typical Application Circuit: C_IN = 10μF, C_OUT = 2x 10μF, L = 0.47μH. V_P = 3.6V, VCC = EN = VP, SGND = PGND = GND.
T_A = -40°C to +85°C, unless otherwise noted. Typical values are at T_A = +25°C.
Symbol
V_IN
V_OUT
V_UVLO
I_Q
I_SHDN
V_FB
I_FB
ΔV_OUT/I_OUT
ΔV_OUT/V_IN
I_LIMPK
R_DS(ON)HI
R_DS(ON)LO
f_OSC
t_SS
T_SHDN
V_EN
I_EN
Description
Input Voltage Range
Output Voltage Range
Input Under-Voltage Lockout
No Load Supply Current
Shutdown Current
FB Regulation Threshold
FB Leakage Current
Load Regulation²
Line Regulation
High-Side P-Channel MOSFET Current Limit
High-Side P-Channel MOSFET On-Resistance
Low-Side N-Channel MOSFET On-Resistance
Internal Oscillator Frequency
Soft-Start Period
Over-Temperature Shutdown Threshold
EN Input Logic Threshold
EN Input Current
Conditions
VP, VCC
V_CC Rising
Hysteresis
No Load Current; Not Switching
EN = GND, V_P = 5.5V, LX = GND
No Load, T_A = +25°C, V_IN = 5V
V_FB = 1.0V
0.25 to 2.5A Load
V_IN = 2.7V to 5.5V
V_IN = 3.3V
Hysteresis = 15°C
V_IN = V_EN = 0V or 5.5V
Min
2.7
1.0
591
3
2.2
0.4
-1.0
Typ
0.1
70
600
5
1
0.5
120
100
3.0
60
140
Max
5.5
V_IN
2.7
140
1
609
200
2
3.8
1.4
+1.0
Units
V
V
V
V
μA
μA
mV
nA
%
%/V
A
mΩ
mΩ
MHz
μs
°C
V
μA
1. The AAT2114A is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and cor-
relation with statistical process controls.
2. Guaranteed by design.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202004C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013