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LT4220IGN 数据表(PDF) 9 Page - Linear Technology

部件名 LT4220IGN
功能描述  Dual Supply Hot Swap Controller
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT4220IGN 数据表(HTML) 9 Page - Linear Technology

Back Button LT4220IGN Datasheet HTML 5Page - Linear Technology LT4220IGN Datasheet HTML 6Page - Linear Technology LT4220IGN Datasheet HTML 7Page - Linear Technology LT4220IGN Datasheet HTML 8Page - Linear Technology LT4220IGN Datasheet HTML 9Page - Linear Technology LT4220IGN Datasheet HTML 10Page - Linear Technology LT4220IGN Datasheet HTML 11Page - Linear Technology LT4220IGN Datasheet HTML 12Page - Linear Technology LT4220IGN Datasheet HTML 13Page - Linear Technology Next Button
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background image
9
LT4220
4220f
BLOCK DIAGRA
–
+
13
–
+
1.24V
–
+
–1.24V
UVLO
VCC AND
VEE GOOD
FB+
6
ON–
–
+
–
+
–
+
–
+
1.24V
0.5V
1.24V
12
ON+
FB–
–1.24V
P GATE
GOOD
N GATE
GOOD
5
TRACK
7
VEE
VCC
VCC
1
GND
9
16
S
R
Q
S
R
Q
S
R
Q
Q
Q
Q
S
R
R
Q
Q
10 PWRGD
GATE GOOD
LATCHES
TRACK OFF
LATCH
TOFF
GATE ON
VCC
VCC
FAULT
FAULT
LATCH
TIMER AND LOGIC
11 FAULT
GATE+
15 SENSE
+
PUMP
ILIM
VCC
3
µA
10
µA
10
µA
ON
ON
EN
TRACK
FB+
60
µA
CURRENT LIMIT
FROM SENSE AMPS
–
+
–
+
14
GATE–
4
SENSEK
4220 BD
2
SENSE–
3
8 TIMER
WEAK DIODES
SUBSTRATE
+ –
+ –
53mV
52mV



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