ltc4221 Linear Technology Corporation, ltc4221 Datasheet - Page 25

• Manufacturer Part Number: ltc4221
• Description: Dual Hot Swap Controller/power Sequencer With Dual Speed, Dual Level Fault Protection
• Manufacturer: Linear Technology Corporation

Table 2. N-Channel Selection Guide
CURRENT LEVEL (A)
0 to 2
2 to 5
5 to 10
10 to 20
Table 3. Manufacturers’ Web Sites
MANUFACTURER
TEMIC Semiconductor
International Rectifier
ON Semiconductor
Harris Semiconductor
IRC-TT
Vishay-Dale
Vishay-Siliconix
Diodes, Inc.
APPE DIX
TYPICAL APPLICATIO S
V
V
3.3V
CC1
CC2
GND
5V
CONNECTOR
BACKPLANE
U
(FEMALE)
CONNECTOR
PCB EDGE
(MALE)
PART NUMBER
MMDF3N02HD
MMSF5N02HD
MTB50N06V
MTB75N05HD
LONG
LONG
LONG
Simultaneous Turn-On with Autoretry Function—Individual Current Limits
Z1, Z2: SMAJ10
3.16k
21k
R2
R1
Z1
U
R
10Ω
WEB SITE
www.temic.com
www.irf.com
www.onsemi.com
www.semi.harris.com
www.irctt.com
www.vishay.com
www.vishay.com
www.diodes.com
C
X1
C
100nF
470nF
TIMER
X1
15k
R3
Z2
C
100nF
FILTER
C
1nF
X2
R
10Ω
16
10
X2
1
7
9
8
DESCRIPTION
Dual N-Channel SO-8
R
Single N-Channel SO-8
R
Single N-Channel DD Pak
R
Single N-Channel DD Pak
R
DS(ON)
DS(ON)
DS(ON)
DS(ON)
ON1
ON2
FAULT
GND
TIMER
FILTER
V
CC1
2
= 0.1Ω, C
= 0.025Ω, C
= 0.028Ω, C
= 0.0095Ω, C
R
0.004Ω
SENSE1
SENSE1 GATE1 V
3
ISS
IRF7413
ISS
ISS
LTC4221
= 455pF
Q1
ISS
4
= 1130pF
= 1570pF
= 2600pF
CC2
15
R
0.007Ω
SENSE2
SENSE2 GATE2
14
PWRGD2
PWRGD1
IRF7413
Q2
FB2
FB1
13
12
11
6
5
5.11k
R
20k
R
F3
F4
MANUFACTURER
ON Semiconductor
ON Semiconductor
ON Semiconductor
ON Semiconductor
LTC4221
R
10k
PG2
R
32.4k
R
5.11k
4221 TA02
F1
F2
R
10k
25
PG1
V
5V
5A
V
3.3V
2.5A
PWRGD2
PWRGD1
OUT1
OUT2
4221fa