LX1670 Просмотр технического описания (PDF) - Microsemi Corporation
Номер в каталоге
Компоненты Описание
производитель
LX1670 Datasheet PDF : 7 Pages
| |||
PRODUCT DATABOOK 1996/1997
5-BI T PROGRAMMABLE VOLTAGE REFERENCE
PR O D U C T I O N D ATA S H E E T
LX1670
APPLICATION INFORMATION
D1
1N4148
D2
1N4148
See Note 1
JP4
JP3
C20
0.1µF
R13
10
F1
16A 32V
See Note 1
JP1
12VIN
JP2
5VIN
Q1
IRL3103
C2
1500µF
6.3V
C11
1500µF
6.3V
PWRGD
OUTEN
C10
0.1µF
LX1670
1 VIDO
2
3
4
5
VSENSE
PGOOD
OVOUT
ENABLE
6 BLKEN
7 GND
VCC 14
D4B 13
D4 12
D3 11
D2 10
D1 9
D0 8
R2
10K
VID4
VID3
VID2
VID1
VID0
C3
0.1µF
R4
1K
C4
R3 390µF
1K
C7
0.1µF
C8
680pF
VRM
CONTROLLER
1 EN
2
3
OTADJ
SGND
4
5
VVREF
INV
6 NINV/SS
7 HICCUP
8 CT
VC1 16
TDRV 15
PGND 14
BDRV 13
VCC 12
SYNCEN 11
CS+ 10
CS- 9
LX1661
C9
1µF
R7 10
R8 10
R5
C1
1K
390pF
R6
1K
C19
0.1µF
See Note 1
L1
TOROID
5µH
R1
5mΩ
Q2
IRL3103
C5 C12 C13
Q3
2N6504
Note 1. Setup shown is for 5V application. For 12V input change the following: - Close JP1 and JP4
- Open JP2 and JP3
- For C2 and C11, use 16V/850µF capacitors instead
- Inductor L1 = 10µH
SUPPLY OUTPUT CLAMP
FIGURE 1 — LX1660/61 CONTROLLER USED WITH THE LX1670 PROGRAMMABLE REFERENCE/DAC CHIP FOR PENTIUM PRO PROCESSOR
OR PENTIUM II PROCESSOR APPLICATIONS. GUARANTEED TO MEET INTEL SPECIFICATIONS.
Pentium is a registered trademark of Intel Corporation.
PRODUCTION DATA - Information contained in this document is proprietary to Linfinity, and is current as of publication date. This document
may not be modified in any way without the express written consent of Linfinity. Product processing does not necessarily include testing of
all parameters. Linfinity reserves the right to change the configuration and performance of the product and to discontinue product at any time.
Copyright © 1997
Rev. 1.0 7/97
7
Share Link: 