AME
AME5248A
n
Electrical Specifications
V
IN
=3.6V, EN=V
IN
, T
A
= 25
O
C, unless otherwise noted
Parameter
Input Voltage
Symbol
V
IN
V
IN
=2.5 to 5.5V, V
OUT
=1.0V
0A < I
OUT
< 600mA
V
IN
=2.5 to 5.5V, V
OUT
=1.2V
0A < I
OUT
< 600mA
V
IN
=2.5 to 5.5V, V
OUT
=1.5V
0A < I
OUT
< 600mA
V
IN
=2.5 to 5.5V, V
OUT
=1.8V
Output Voltage Accuracy
(by every fixed output voltage)
∆V
OUT
0A < I
OUT
< 600mA
V
IN
=V
OUT
+∆V to 5.5V (Note 1)
V
OUT
=2.5V, 0A <I
OUT
< 600mA
V
IN
=V
OUT
+∆V to 5.5V (Note 1)
V
OUT
=2.7V, 0A <I
OUT
< 600mA
V
IN
=V
OUT
+∆V to 5.5V (Note 1)
V
OUT
=2.8V, 0A <I
OUT
< 600mA
V
IN
=V
OUT
+∆V to 5.5V (Note 1)
∆V
OUT
V
OUT
T
A
=25
o
C
T
A
=-40
o
C to +85
o
C
V
OUT
=3.3V, 0A <I
OUT
< 600mA
V
IN
=V
OUT
+∆V to 5.5V (Note 1)
0A < I
OUT
< 600mA
Test Condition
Min
2.5
-3
-3
-3
-3
-3
-3
-3
-3
-3
V
FB
0.490
0.488
-50
V
FB
=0.45V or V
OUT
=90%,
Quiescent Current
I
Q
I
OUT
=0A
V
FB
=0.52V or V
OUT
=104%,
I
OUT
=0A
Shutdown Current
Reference Voltage Line Regulation
Output Voltage Line Regulation
Output Voltage Load Regulation
I
SHDN
∆V
FB
REG
LINE
REG
LOAD
V
EN
=0V, V
IN
=4.2V
2.5≦V
IN
≦5.5V
2.5≦V
IN
≦5.5V
I
OUT
=100mA to 600mA
0.5
300
20
0.1
0.5
0.5
Typ
Max
5.5
3
3
3
3
3
3
3
3
3
V
IN
-
0.2
0.510
0.512
50
400
35
1
0.4
0.4
%/V
%
µA
V
%
Units
V
1.5MHz, 600mA
Synchronous Buck Converter
Output Voltage Accuracy (Adj)
Adjustable Output Range
Feedback Voltage
Feedback Pin Bias Current
V
FB
I
FB
V
nA
Rev.A.01
7
AME [ ANALOG MICROELECTRONICS ]
