ame5249a-aevadjl AME, Inc., ame5249a-aevadjl Datasheet - Page 8

• Manufacturer Part Number: ame5249a-aevadjl
• Description: Synchronous Buck Converter
• Manufacturer: AME, Inc.

AME5249A
n Electrical Specifications
V
8
IN
Input Voltage
Output Voltage Accuracy
(for 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
High-side Switch On-Resistance
Low-side Switch On-Resistance
Switch Current Limit
Switch Leakage Current
Switch Frequency
Short Circuit Oscillator Frequency
Maximum Duty Cycle
=3.6V, EN=V
Parameter
AME
IN
, T
A
= 25
O
C, unless otherwise noted
R
REG
R
Symbol
REG
f
OSC,SCR
DS,ON,LO
DS,ON,HI
I
I
I
V
SW,CL
SW,LK
D
SHDN
f
V
V
V
V
OSC
I
V
OUT
FB
I
MAX
FB
Q
IN
OUT
OUT
FB
LOAD
LINE
V
IN
V
V
V
=2.5 to 5.5V, V
IN
IN
OUT
V
V
V
V
=V
=V
FB
EN
I
OUT
FB
FB
=2.5V~3.3V, PWM Mode
V
=0.62V or V
V
T
V
=0V, V
OUT
OUT
=0.5V or V
=0.6V or V
FB
IN
A
Test Condition
2.5 ≦ V
2.5 ≦ V
EN
=100mA to 600mA
=-40
=3V, V
=0V or V
I
PWM Mode
PWM Mode
I
+ V to 5.5V (Note 1)
+ V to 5.5V (Note 1)
SW
=0V, V
SW
Synchronous Buck Converter
V
T
I
I
OUT
OUT
A
=-100mA
IN
=100mA
o
SW
=25
C to +85
=3.6V
IN
IN
=0A
=0A
=0V or 3.6V,
OUT
≦ 5.5V
≦ 5.5V
OUT
IN
o
OUT
OUT
OUT
OUT
C
=4.2V
=1.2V
=1.0V~1.8V
=90%,
=103%,
=100%
=0V
o
C
0.588
0.585
Min
V
100
2.5
-50
1.2
1.5MHz, 600mA
-3
-3
-3
1
FB
Typ
0.35
1.25
0.01
0.21
300
0.6
0.6
0.1
0.5
0.4
1.5
20
0.612
0.615
Max
V
400
5.5
0.4
0.2
0.4
0.6
0.5
1.8
50
35
3
3
3
1
1
IN
-
Rev.A.01
Units
%/V
MHz
nA
%
%
%
V
V
V
A
A
A