AMC3100 Datasheet, PDF (6/10 Pages) ADDtek Corp – 1.5MHz, 600mA SYNCHRONOUS STEP-DOWN CONVERTER

AMC3100
Dynam ic Supply Current vs
Supply Voltage
380
360 ^VOUT=1.5V
I_LOAD=0mA
340 _TA=25°C
320
300
280
260
240
220
200
2
3
4
5
6
Supply Voltage ( V )
Line Regulation
1.8
1.7
V_OUT=1.5V
TA=25°C
1.6
1.5
1.4
1.3
1.2
012 3456
Input Voltage ( V )
Dynam ic Supply Current vs
Tem perature
380
360 _VIN=3.6V
340 V_OUT=1.5V
320 ^ILOAD=0mA
300
280
260
240
220
200
-50 -25 0 25 50 75 100 125 150
Temperature ( °C )
Transient vs Output Current
40
35
V_OUT=1.5V
30 TA=25°C
25
20
15
10
5
0
0 100 200 300 400 500 600 700 800
Output Current ( mA )
Sw itch Leakage vs
Tem perature
10
V_RUN=0V
8
V_IN=5V
6
v _SW=5V
4
v _SW=0V
2
0
-50 -25 0 25 50 75 100 125 150
Temperature ( °C )
Reference Voltage vs
Tem perature
0.7
0.68
0.66
V_IN=3.6V
I_LOAD=100mA
0.64
0.62
0.6
0.58
0.56
0.54
0.52
0.5
-50 -25 0 25 50 75 100 125 150
Temperature (°C )
Discontinuous Operation
Start-up from Shutdown
Load Step
SW
2V/DIV
VOUT
10mV/DIV
AC Coupled
IL
200mA/DIV
RUN
5V/DIV
VOUT
1V/DIV
IL
500mA/DIV
40us/DIV
VOUT
100mV/DIV
IL
500mA/DIV
ILOAD
500mA/DIV
VIN =3.6V
20us/DIV
VOUT =1.5V
ILOAD=0mA to 600mA
Copyright © 2006 ADDtek Corp.
6
DD010_A -- JUNE 2006