LX1684CD-TR MICROSEMI [Microsemi Corporation], LX1684CD-TR Datasheet - Page 9

• Manufacturer Part Number: LX1684CD-TR
• Description: Voltage-Mode PWM Controller
• Manufacturer: MICROSEMI [Microsemi Corporation]

Copyright © 2000
Rev. 1.0c, 2005-03-08
100 Ohm
300 Ohm
TM
R2
R1
50K Ohm
150 Ohm
C3 Panasonic EEF-UE0D271R 270uF 3A 15mOhm ESR
C4 Panasonic EEF-UE0J151R 150uF 3A 18mOhm ESR
R2
R1
0.1µF
Css
0.1µF
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Css
Figure 3
–
CSP
GND
1
2
3
4
5
6
7
SS
PGND
BDR
FB
NC
12V to 5V with P-MOSFET. No Charge Pump is Needed.
Figure 4
FB
NC
SS
CSP
GND
PGND
BDR
T Y P I C A L A P P L I C A T I O N
Integrated Products Division
VCC
TDR
VC1
–
NC
CS
NC
NC
3.3V to 1.25V with Charge Pump.
VCC
®
TDR
VC1
Microsemi
NC
NC
NC
CS
5V
14
13
12
11
10
RSET
9
8
5V
5%
2K
RSET
3.9K
1µF
1µF
C5
C6
1µF
C5
Voltage-Mode PWM Controller
10.8V - 13.2V
5817SMT
P
Q1
MBR2545
SUB45N
RODUCTION
SUB45N05-
05-20L
0.1µF
D1
Q1
C1
20L
Q2
L1 is powder
iron Toroid
820µF,
L1 is a powdered
16V
2x
10µH
iron toroid
D
L1
5µH
L1
ATA
3.3V
10%
150µF,
6.3V
S
2x
HEET
270µF
1500
2V
2x
µF
4x
C4
C3
VOUT
LX1684
1.25V
VOUT
10A
Page 9