LX1684_05 Datasheet, PDF (10/12 Pages) Microsemi Corporation – Voltage-Mode PWM Controller

LX1684
TM
®
Voltage-Mode PWM Controller
PRODUCTION DATA SHEET
CHARACTERIZATION CHARTS
SEE PRODUCT HIGHLIGHT SCHEMATIC
Typical 12V to 3.3V application
EFFICENCY VS. OUTPUT CURRENT
OUTPUT VOLTAGE VS. LOAD
1.00
3.320
0.95
3.315
0.90
0.85
3.310
0.80
3.305
0.75
0.70
0 1 2 3 4 5 6 7 8 9 10
Output Current (A)
3.300
0
2
4
6
8
10
12
Output Current (A)
OUTPUT VOLTAGE VS. TEMPERATURE
3.34
3.33
3.32
3.31
3.30
3.29
3.28
20
30
40
50
60
70
80
90
Temperature (°C)
OUTPUT VOLTAGE VS. TEMPERATURE
OUTPUT STARTUP
V_OUT = 3.3V
2V /
DIV
2V /
DIV
V_CC = 5V_DC
1ms / DIV
OUTPUT VOLTAGE VS. TEMPERATURE
100mV
/ DIV
V_OUT = 2VDC
100mV
/ DIV
I_OUT = 10A
25A /
DIV
I_OUT = 5A
Copyright © 2000
Rev. 1.0c, 2005-03-08
100µs / DIV
10µs / DIV
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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