ame5250 AME, Inc., ame5250 Datasheet - Page 13

• Manufacturer Part Number: ame5250
• Description: 1a, 1.5mhz Synchronous Step-down Converter
• Manufacturer: AME, Inc.

n Characterization Curve(For reference only)
Rev. A.02
AME5250
1.70
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1
2
3
2.5
Light Load Mode output voltage ripple
V
V
I
1) V
2) V
3) I
OUT
IN
OUT
L
= 3.6V
= 50mA
SW
OUT
= 200mA/div
= 1.8V
Frequency vs. Supply Voltage
AME
3.0
= 5V/div
= 100mV/div
3.5
5 S / div
V
IN
4.0
(V)
4.5
5.0
5.5
1.90
1.89
1.88
1.87
1.86
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
3
1
2
100
V
V
I
1) EN = 2V/div
2) V
3) I
OUT
1A, 1.5MHz Synchronous
IN
OUT
Output Voltage vs. Output Current
L
= 3.6V
200
= 1A
OUT
= 500mA/div
= 1.8V
= 2V/div
Step-Down Converter
300
Output Current(mA)
Power Off from EN
400
50 S / div
500
600
700
V
OUT
V
800
IN
= 1.8V
= 3.6V
900
1000
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