AAT2113B Datasheet, PDF (4/22 Pages) Skyworks Solutions Inc. – 3.3MHz, Fast Transient 1.5A Step-Down Converter in an 2mm x 2mm Package

DATA SHEET
AAT2113B
3.3MHz, Fast Transient 1.5A Step-Down Converter in an 2mm x 2mm Package
Electrical Characteristics¹
V_IN = 3.3V, 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 Range
V_UVLO
UVLO Threshold
V_OUT
I_Q
I_SHDN
I_LIM
R_DS(ON)H
R_DS(ON)L
V_LOADREG
V_LINEREG/
V_IN
V_FB
I_LXLEAK,R
I_FBLEAK
F_OSC
T_S
T_SD
T_HYS
EN Logic
V_IL
V_IH
I_LEAK
Output Voltage Tolerance
Quiescent Current
Shutdown Current
Current Limit
High Side Switch On-Resistance
Low Side Switch On-Resistance
Load Regulation
Line Regulation
Feedback Threshold Voltage Accuracy
(Adjustable Version)
LX Reverse Leakage Current
FB Leakage Current
Internal Oscillator Frequency
Start-up Time
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
EN Threshold Low
EN Threshold High
EN Leakage Current
Conditions
V_IN rising
Hysteresis
V_IN falling
I_OUT = 0A to 1.5A, V_IN = 3.3V, V_OUT = 1.2V fixed
No Load
EN = GND
I_LOAD = 0A to 1.5A
V_IN = 3.3V to 4.0V
No load, T_A = 25°C
V_IN unconnected, V_LX = 5.5V, EN = GND
V_OUT = 1.2V
Enable to Output Regulation
V_EN = 5.5V
Min
2.7
1
1.6
-3.0
2
0.591
2.6
1.4
-1.0
Typ
3.3
1.2
180
55
3
140
100
0.5
0.3
0.60
3.3
60
140
25
Max
5.5
2.5
2.4
+3.0
90
1.0
0.609
1.0
0.2
3.8
0.4
1.0
Units
V
V
V
mV
V
%
μA
μA
A
mΩ
mΩ
%
%/V
V
μA
μA
MHz
μs
°C
°C
V
V
μA
1. The AAT2113B 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.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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202003A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • May 24, 2012