AAT2500 Analogic Corporation, AAT2500 Datasheet - Page 8

• Manufacturer Part Number: AAT2500
• Manufacturer: Analogic Corporation

Typical Characteristics
Unless otherwise noted, V
8
1200
1000
-200
100
100
800
600
400
200
90
80
70
60
50
90
80
70
60
0
Step-Down Converter Efficiency vs. Load
0.1
Step-Down Converter Efficiency vs. Load
0.1
V
IN
V
= 2.7V
(V
(V
IN
OUT
OUT
= 3.0V
Over-Current Protection
= 2.5V; EN = V
= 1.8V; EN = V
V
1.0
1.0
(EN = GND; ENLDO = V
IN
= 3.6V
Output Current (mA)
Output Current (mA)
V
IN
V
V
Time (50ms/div)
IN
IN
= 4.2V
= 3.3V
= 3.6V
IN
10
10
IN
IN
= 5V, T
; ENLDO = GND)
; ENLDO = GND)
A
IN
= 25°C.
100
100
)
1MHz Step-Down Converter/LDO Regulator
1000
1000
1.200
1.175
1.150
1.125
1.075
1.250
1.225
1.100
1.050
-1.0
-2.0
-1.0
-2.0
2.0
1.0
0.0
2.0
1.0
0.0
0.1
0.1
2.5
Step-Down Converter Load Regulation
Step-Down Converter DC Regulation
(V
(V
3.0
OUT
OUT
= 1.8V; EN = V
V
= 2.5V; EN = V
1.0
1.0
IH
Output Current (mA)
Output Current (mA)
3.5
LDO ENLDO vs. V
V
Input Voltage (V)
IN
= 2.7V
10
10
4.0
V
IN
IN
IL
V
; ENLDO = GND)
; ENLDO = GND)
IN
= 3.3V
V
IN
4.5
V
AAT2500
= 3.6V
IN
V
100
100
= 3.0V
IN
IN
= 4.2V
V
2500.2005.08.1.9
IN
5.0
= 3.6V
1000
1000
5.5