LT4250H LINER [Linear Technology], LT4250H Datasheet - Page 11

• Manufacturer Part Number: LT4250H
• Description: Negative 48V Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

–48V RTN
PACKAGE DESCRIPTIO
APPLICATIO S I FOR ATIO
(SHORT PIN)
– 48V
–48V RTN
* DIODES INC. SMAT70A
*
R4
R5
R6
3
2
(0.203 – 0.254)
**
UV
OV
0.008 – 0.010
*
LT4250L
Figure 13. Active Low Enable Module
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
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
GATE
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)
–
+
V
3
GH
+
–
(0.254 – 0.508)
GATE
V
4
(7.620 – 8.255)
(0.229 – 0.381)
0.010 – 0.020
1
0.300 – 0.325
0.009 – 0.015
V
EE
0.325
8.255
DL
U
R1
+0.889
–0.381
+0.035
–0.015
+
–
+
–
(0.406 – 1.270)
2
0.016 – 0.050
SENSE
4
5
U
45
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.
GATE
C1
6
Q1
0 – 8 TYP
V
W
DD
R2
8
(1.651)
0.065
V
U
TYP
PWRGD
EE
Q2
R3
DRAIN
8-Lead Plastic Small Outline (Narrow .150 Inch)
C2
(1.346 – 1.752)
0.053 – 0.069
(0.355 – 0.483)
C3
1
7
0.014 – 0.019
4250 F13
(2.54)
0.100
BSC
(1.143 – 1.651)
+
0.045 – 0.065
8-Lead PDIP (Narrow .300 Inch)
(Reference LTC DWG # 05-08-1510)
(Reference LTC DWG # 05-08-1610)
TYP
U
ENABLE MODULE
V
V
ACTIVE LOW
ON/OFF
IN
IN
+
–
V
V
OUT
OUT
N8 Package
S8 Package
+
–
(0.457 0.076)
–48V RTN
0.018 0.003
– 48V
(SHORT PIN)
(3.302 0.127)
(1.270)
0.130 0.005
0.050
(3.175)
BSC
–48V RTN
0.125
MIN
(0.101 – 0.254)
*
* DIODES INC. SMAT70A
0.004 – 0.010
Figure 14. Using PWRGD to Drive an Optoisolator
6.49k
549k
10k
(0.508)
1%
1%
1%
R4
R5
R6
0.020
MIN
3
2
(5.791 – 6.197)
0.228 – 0.244
UV
OV
3
V
EE
4
1
(6.477 0.381)
0.02
0.255 0.015*
5%
R1
SENSE
2
4
5
8
1
(4.801 – 5.004)
0.189 – 0.197*
LT4250L/LT4250H
C1
470nF
25V
2
7
LT4250L
GATE
8
1
V
DD
IRF530
8
6
6
3
Q1
R2
10
5%
2
(10.160)
7
0.400*
MAX
1k, 5%
5
4
R3
6
3
(3.810 – 3.988)
0.150 – 0.157**
15nF
100V
C2
PWRGD
4
5
N8 1098
SO8 1298
DRAIN
7
1
MOC207
R7
51k
5%
11
100 F
PWRGD
100V
4250lhf
C3
4250 F14
+