AAT2510 Datasheet, PDF (4/20 Pages) Advanced Analogic Technologies – Dual 400mA, 1MHz Step-Down DC-DC Converter

AAT2510
Dual 400mA, 1MHz Step-Down DC-DC Converter
Electrical Characteristics¹
T_A = -40°C to 85°C, unless otherwise noted. Typical values are T_A = 25°C, V_IN = 3.6V.
Symbol Description
Step-Down Converter Channels
V_IN
Input Voltage
V_UVLO
UVLO Threshold
V_OUT
V_OUT
I_Q
Output Voltage Tolerance
Output Voltage Range
Quiescent Current
I_SHDN
I_LIM
R_DS(ON)H
R_DS(ON)L
I_LXLK
Shutdown Current
P-Channel Current Limit
High Side Switch On Resistance
Low Side Switch On Resistance
LX Leakage Current
I_LXLK,R
LX Reverse Leakage Current
∆V_Linereg
V_FB
I_FB
R_FB
F_OSC
T_SD
T_HYS
EN
V_EN(L)
V_EN(H)
I_EN
Line Regulation
FB Threshold Voltage Accuracy
FB Leakage Current
FB Impedance
Oscillator Frequency
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Enable Threshold Low
Enable Threshold High
Input Low Current
Conditions
Min
2.7
V_IN Rising
Hysteresis
V_IN Falling
1.8
I_OUT = 0 to 400mA, V_IN = 2.7 - 5.5V -3.0
Fixed Output Version
0.6
Adjustable Output Version²
0.6
No Load, 0.6V Adjustable Version, -
Per Channel
EN = SGND = GND
-
600
V_IN = 5.5V, V_LX = 0 to V_IN,
EN = SGND = GND
V_IN = Open, V_LX = 5.5V,
EN = SGND = GND
V_IN = 2.7V to 5.5V
0.6V Output, No Load, T_A = 25°C 597
0.6V Output
>0.6V Output
250
T_A = 25°C
0.7
1.4
V_IN = V_FB = 5.5V
-1.0
Typ
100
25
0.45
0.4
600
1.0
140
15
Max
5.5
2.6
+3.0
4.0
2.5
50
1.0
1
1
0.2
615
0.2
1.5
0.6
1.0
Units
V
V
mV
V
%
V
µA
µA
mA
Ω
Ω
µA
µA
%/V
mV
µA
kΩ
MHz
°C
°C
V
V
µA
1. The AAT2510 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.
2. For adjustable version with higher than 2.5V output, please consult your AnalogicTech representative.
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2510.2005.08.1.5