LTC4251 LINER [Linear Technology], LTC4251 Datasheet - Page 19

• Manufacturer Part Number: LTC4251
• Description: Negative Voltage Hot Swap Controllers in SOT-23
• Manufacturer: LINER [Linear Technology]

APPLICATIO S I FOR ATIO
PACKAGE DESCRIPTIO
TIMER
SENSE
GATE
Figure 14. Latched Fault Reset Timing
(All Waveforms are Referenced to V
V
5.8µA
TMRL
58µA
3.85 MAX
1
230µA
2
RESET LATCHED TIMER FAULT BY EXTERNAL LOW PULSE.
3
U
0.20 BSC
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
4
2.62 REF
5 6
58µA
DATUM ‘A’
V
RECOMMENDED SOLDER PAD LAYOUT
TMRH
U
V
V
ACL
CB
0.62
MAX
PER IPC CALCULATOR
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.
5.8µA
W
0.30 – 0.50 REF
0.95
REF
U
5.8µA
425112 F14
1.22 REF
EE
1.4 MIN
)
(Reference LTC DWG # 05-08-1636)
U
6-Lead Plastic TSOT-23
0.09 – 0.20
(NOTE 3)
S6 Package
2.80 BSC
1.00 MAX
1.50 – 1.75
(NOTE 4)
0.80 – 0.90
0.95 BSC
SOFT-START
REFERENCE
INTERNAL
SENSE
TIMER
Figure 15. Internal Soft-Start Timing
(All Waveforms are Referenced to V
GATE
PIN ONE ID
LTC4251/LTC4251-1/
5.8µA
V
TMRL
2.90 BSC
(NOTE 4)
1.90 BSC
1
58µA
END OF INITIAL TIMING CYCLE
2
3
4
10mV
V
TMRH
5
V
ACL
S6 TSOT-23 0302
~V
V
0.01 – 0.10
230µA
+ 10mV
0.30 – 0.45
6 PLCS (NOTE 3)
CB
GS(th)
V
ACL
LTC4251-2
6
EE
)
425112 F15
19
425112fa