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revision hisTory
REV
DATE
DESCRIPTION
A
3/12
Add 57.6k resistor to Typical Application
B
6/13
Added H and MP temperature grades to Order Information
Operating Voltage Range for all temperature grades is 4V to 80V
Reverse Input Current maximum changed to –4mA from –3mA
I
: At 12V, changed from [–10, –20, –35]µA to [–15, –30, –45]µA. At 48V, changed from [–10, –25, –40]µA
GATE(UP)
to [–20, –40, –65]µA
Current Limit Sense Voltage: At 12V, improved from 43mV — 58mV to 45mV — 55mV. At 48V, improved from
45mV — 59mV to 48mV — 58mV
I
maximum changed from 30µA to 40µA
SNS
V
range changed from 3.7V — 5V to 3.5V — 5.4V
TMR(H)
OUT Reset Threshold minimum changed from 1.9V to 1.8V
Updated curves in graphs G05, G06 and G09
Corrected Y-axis numbers in Warning Period TMR Current, graph G15
Replaced Current Limit at Supply Voltage graph with Current Limit Foldback
GATE Pin Description: Added information on 14V protection clamp
TMR Pin Description: Added 10nF minimum capacitor requirement
Changed GATE to SNS clamp in Block Diagram to 14V from 13V
Added 0.1µF C2 to Typical Application circuits
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 representa-
For more information
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
www.linear.com/LT4363
LT4363
PAGE NUMBER
24
3
3
3
3
4
4
4
4
5
6
7
8
8
9
18, 19
4363fb
23
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