ame5251 AME, Inc., ame5251 Datasheet - Page 2

• Manufacturer Part Number: ame5251
• Description: Dual 1a, 1.5mhz Synchronous Step-down Converter
• Manufacturer: AME, Inc.

n Function Block Diagram
2
AME5251
EN2
FB2
EN1
FB1
10
12
4
6
AME
0.6V
0.6V
0.55V
0.55V
VREF
VREF
UVDET
0.6V
UVDET
0.6V
OSC
OSC
Select
Select
Mode
Mode
Start
Start
Soft
Soft
Constant
Constant
Off-time
Off-time
LOGIC
COMP
COMP
LOGIC
Slope
Slope
COMP
COMP
PWM
PWM
IRCOMP
IRCOMP
NMOS
COMP
NMOS
COMP
Dual 1A, 1.5MHz Synchronous
Step-Down Converter
VIN
VIN
2
3 GND
7 IN1
8 SW1
9 GND
1 IN2
SW2
Rev. A.02