AAT1218 Datasheet, PDF (4/15 Pages) Advanced Analogic Technologies – 1A, 1.2MHz Synchronous Boost Converter

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PRODUCT DATASHEET
AAT1218
1A, 1.2MHz Synchronous Boost Converter
Electrical Characteristics
V_IN = 1.2V, T_A = 25°C unless otherwise noted.
Symbol
V_IN
V_{OUT_RANGE}
V_FB
I_Q
F_OSC
DC
I_LIMIT
T_SS
NMOS Leakage
PMOS Leakage
NMOS On-Resistance
PMOS On-Resistance
Description
Minimum Start-Up Voltage
Minimum Start-Up Voltage Loaded
Operating Input Voltage Range
Output Voltage Range
Feedback Voltage
Quiescient Current
Switching, No Load Operation,
Measured from V_OUT
Quiescient Current
Device Disabled (Shut Down)
Switching Frequency
Minimum Operating Duty Cycle
Maximum Operating Duty Cycle
NMOS Current Limit
Soft-Start Time
NMOS Switch Leakage
PMOS Switch Leakage
NMOS Switch On-Resistance
PMOS Switch On-Resistance
ΔV_OUT
Line Regulation
ΔV_OUT
Load Regulation
ΔV_{OUT(LINE_TRANSIENT)}
Line Transient Response
ΔV_{OUT(LOAD_TRANSIENT)}
Load Transient Response
EN
ΔV_OUT(AC)
V_EN(L)
V_EN(H)
I_EN
Output Ripple
Logic Input Low Threshold for EN
Logic Input High Threshold for EN
Enable Input Low Current
Conditions
I_LOAD = 1mA
I_LOAD = 300mA (Resistive)
T_A = -40°C to +85°C
V_FB = 1.2V, T_A = -40°C to +85°C
0.5 < V_IN < V_OUT - 0.5V, I_LOAD = 0mA
0.5 < V_IN < V_OUT - 0.5V, V_EN = 0
T_A = -40°C to +85°C
V_IN = 3.3V, V_OUT = 5V, C_OUT = 10μF
V_IN = 1.5 - (V_OUT - 0.5),
I_LOAD = 0mA to 1000mA
V_IN = 1.5 - (V_OUT - 0.5),
I_LOAD = 0mA to 1000mA
V_IN = 2.5V - 4.5V, ΔV_IN = 1V,
dV_IN/dt = ±0.2V/μs, C_OUT = 22μF
I_LOAD = 50mA to 500mA,
dI_LOAD/dt = ±0.5A/μs, C_OUT = 22μF
V_IN = 1.0 - (V_OUT-0.5), I_LOAD = 0mA
to 1000mA, C_OUT = 22μF, Measured
Bandwidth = 20MHz
V_OUT = 3.3V
V_OUT = 5.0V
V_IN = V_OUT = 5.5V
Min
2.5
1.164
Typ
0.85
1.4
1.200
Max
1
0.5
5.5
1.236
Units
V
V
V
V
V
300 700
μA
0.95
0.01
1.2
80
2.0 2.5
0.7
0.1
0.1
180
250
0.1
0.5
-3
-10
1
μA
1.5 MHz
0
%
%
A
ms
5.0
μA
5.0
μA
mΩ
mΩ
%
%
3
% V_OUT
10
% V_OUT
100 mVpp
1.0
1.4
-1.0
0.6
V
V
1.0
μA
4
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1218.2008.10.1.1