LT4256-3 Linear Technology Corporation, LT4256-3 Datasheet - Page 9

• Manufacturer Part Number: LT4256-3
• Description: Positive High Voltage Hot Swap Controller With Open-circuit Detect
• Manufacturer: Linear Technology Corporation

TEST CIRCUIT
TI I G DIAGRA S
W U
W
V
CC
PWRGD
GATE
– SENSE
UV
FB
GATE
Figure 3. V
Figure 4. SENSE to GATE Timing
4V
Figure 2. UV to GATE Timing
4.45V
–
55mV
+
V
OUT
t
1V
PLHUV
3V
t
PLHFB
+2V
V
CC
t
PHLSENSE
PWRGD
OPEN
FB
OV
UV
OUT
Figure 1
GND
to PWRGD Timing
RETRY
SENSE
TIMER
GATE
V
V
OUT
CC
3V
4256 F01
48V
48V
+ –
+ –
+ –
3.6V
3.99V
4256 F02
V
100pF
4256 F03
OUT
1V
t
PHLUV
4256 F04
t
PHLFB
+2V
LT4256-3
42563fa
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