AAT2500 Analogic Corporation, AAT2500 Datasheet - Page 7

• Manufacturer Part Number: AAT2500
• Manufacturer: Analogic Corporation

Typical Characteristics
Unless otherwise noted, V
2500.2005.08.1.9
V
V
ENLDO
OUT
6
5
4
3
2
1
0
(1V/div)
2.50
3.00
2.90
2.80
2.70
2.60
2.40
2.30
2.20
2.10
(5V/div)
LDO Load Transient Response 300mA
V
V
IN
OUT
(C
(C
LDO Turn-Off Response Time
LDO Line Transient Response
(C
BYP
BYP
BYP
= 10nF; EN = GND; ENLDO = V
= 10nF; EN = GND; ENLDO = V
V
I
= 10nF; EN = GND; ENLDO = V
OUT
OUT
100µs/div
50µs/div
10µ µ s/div
IN
= 5V, T
A
= 25°C, V
IN
IN
)
IN
)
)
1MHz Step-Down Converter/LDO Regulator
800
700
600
500
400
300
200
100
0
-100
IN
3.04
3.03
3.02
3.00
2.99
2.98
3.01
= V
LDO
= V
V
V
LDO Turn-On Time From Enable (V
ENLDO
OUT
CC
0.001
0.01
= 1V/div
0.1
2.90
2.85
2.80
2.75
2.70
2.65
2.60
10
= V
= 5V/div
1
0.01
(C
P
LDO Load Transient Response
Band Power:
300Hz to 50kHz = 44.6µVrms
100Hz to 100kHz = 56.3µVrms
(C
.
V
I
BYP
OUT
OUT
BYP
= 10nF; EN = GND; ENLDO = V
0.1
= 10nF; EN = GND; ENLDO = V
(EN = GND; ENLDO = V
LDO Self Noise
Frequency (kHz)
1
5µ µ s/div
100µS/div
10
100
AAT2500
IN
IN
)
IN
present)
1000
)
IN
)
V
IN
500
400
300
200
100
0
-100
= 4V
10000
7