ame5248a AME, Inc., ame5248a Datasheet - Page 7

• Manufacturer Part Number: ame5248a
• Description: Synchronous Buck Converter
• Manufacturer: AME, Inc.

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