參數(shù)資料
型號(hào): LT4250LIS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Negative 48V Hot Swap Controller
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁數(shù): 11/12頁
文件大小: 230K
代理商: LT4250LIS8
11
LT4250L/LT4250H
4250lhf
Figure 14. Using PWRGD to Drive an Optoisolator
Figure 13. Active Low Enable Module
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
S8 Package
8-Lead Plastic Small Outline (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1610)
N8 Package
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
N8 1098
0.100
(2.54)
BSC
0.065
(1.651)
TYP
0.045 – 0.065
(1.143 – 1.651)
0.130
±
0.005
(3.302
±
0.127)
0.020
(0.508)
MIN
0.018
±
0.003
(0.457
±
0.076)
0.125
(3.175)
MIN
1
2
3
4
8
7
6
5
0.255
±
0.015*
(6.477
±
0.381)
0.400*
(10.160)
MAX
0.009 – 0.015
(0.229 – 0.381)
0.300 – 0.325
(7.620 – 8.255)
0.325–0.015
+0.889
–0.381
8.255
(
)
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
0.016 – 0.050
(0.406 – 1.270)
0.010 – 0.020
(0.254 – 0.508)
×
45
°
0
°
– 8
°
TYP
0.008 – 0.010
(0.203 – 0.254)
SO8 1298
0.053 – 0.069
(1.346 – 1.752)
0.014 – 0.019
(0.355 – 0.483)
TYP
0.004 – 0.010
(0.101 – 0.254)
0.050
(1.270)
BSC
1
2
3
4
0.150 – 0.157**
(3.810 – 3.988)
8
7
6
5
0.189 – 0.197*
(4.801 – 5.004)
0.228 – 0.244
(5.791 – 6.197)
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
*
**
V
EE
4
LT4250L
SENSE
OV
UV
V
DL
V
GH
+
+
+
+
GATE
V
GATE
+
V
DD
C1
C3
Q1
R2
R3
C2
R4
R5
R6
R1
3
2
–48V RTN
–48V
5
6
8
1
7
GATE
4250 F13
PWRGD
DRAIN
V
EE
ACTIVE LOW
ENABLE MODULE
V
OUT+
V
OUT–
V
IN+
V
IN–
ON/OFF
–48V RTN
(SHORT PIN)
*
* DIODES INC. SMAT70A
4
3
2
1
Q2
V
EE
V
DD
LT4250L
PWRGD
SENSE
C1
470nF
25V
C3
100
μ
F
100V
Q1
IRF530
R2
10
5%
R7
51k
5%
R3
1k, 5%
C2
15nF
100V
R4
549k
1%
R5
6.49k
1%
R6
10k
1%
R1
0.02
5%
4
3
2
OV
–48V RTN
–48V
UV
5
6
8
7
1
MOC207
GATE
DRAIN
4250 F14
PWRGD
+
–48V RTN
(SHORT PIN)
*
* DIODES INC. SMAT70A
4
3
2
1
U
PACKAGE DESCRIPTIO
APPLICATIOU
W
U
U
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