AAT1154 Ver la hoja de datos (PDF) - Analog Technology Inc
Número de pieza
componentes Descripción
Fabricante
AAT1154 Datasheet PDF : 16 Pages
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SwitchRegTM
Typical Characteristics
Efficiency vs. Load Current
(VIN = 5V; VOUT = 3.3V)
100
95
90
85
80
75
70
65
60
0.01
0.1
1
10
Output Current (A)
Oscillator Frequency Variation vs.
Supply Voltage
0.5
0.25
0
-0.25
-0.5
3.5
4
4.5
5
5.5
Input Voltage (V)
Oscillator Frequency Variation vs. Temperature
(VIN = 5V)
1
0
-1
-2
-3
-4
-20
0
20
40
60
80
100
Temperature (°C)
PRODUCT DATASHEET
AAT1154
1MHz 3A Step-Down DC/DC Converter
RDS(ON) vs. Temperature
90
VIN = 2.7V
80
VIN = 3.6V
70
VIN = 4.2V
60
VIN = 5.5V
50
VIN = 5V
40
-20
0
20
40
60
80
100
120
Temperature (°C)
RDS(ON) vs. VIN
(IDS = 1A)
70
65
60
55
50
45
40
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Enable Threshold vs. Input Voltage
1.2
1.1
EN(H)
1
0.9
0.8
0.7 EN(L)
0.6
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
1154.2007.11.1.7
www.analogictech.com
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