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LTC4221IGN#PBF

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25
LTC4221
4221fa
TYPICAL APPLICATIO S
U
Simultaneous Turn-On with Autoretry Function—Individual Current Limits
ON2
FAULT
GND
LTC4221
Z1
Z2
1
16
7
10
9
8
FB2
PWRGD2
PWRGD1
PWRGD2
V
OUT1
5V
5A
V
OUT2
3.3V
2.5A
PWRGD1
FB1
LONG
LONG
GND
LONG
Z1, Z2: SMAJ10
TIMER
FILTER
234151413
12
11
6
5
ON1
V
CC1
SENSE1 GATE1 V
CC2
SENSE2 GATE2
V
CC1
5V
V
CC2
3.3V
BACKPLANE
CONNECTOR
(FEMALE)
PCB EDGE
CONNECTOR
(MALE)
R
X1
10Ω
R
X2
10Ω
R3
15k
R2
21k
R1
3.16k
R
F3
20k
Q2
IRF7413
R
F4
5.11k
R
PG2
10k
R
PG1
10k
R
F1
32.4k
R
F2
5.11k
4221 TA02
C
X1
100nF
C
FILTER
1nF
C
TIMER
470nF
C
X2
100nF
Q1
IRF7413
R
SENSE1
0.004Ω
R
SENSE2
0.007Ω
APPE DIX
U
Table 2. N-Channel Selection Guide
CURRENT LEVEL (A) PART NUMBER DESCRIPTION MANUFACTURER
0 to 2 MMDF3N02HD Dual N-Channel SO-8 ON Semiconductor
R
DS(ON)
= 0.1Ω, C
ISS
= 455pF
2 to 5 MMSF5N02HD Single N-Channel SO-8 ON Semiconductor
R
DS(ON)
= 0.025Ω, C
ISS
= 1130pF
5 to 10 MTB50N06V Single N-Channel DD Pak ON Semiconductor
R
DS(ON)
= 0.028Ω, C
ISS
= 1570pF
10 to 20 MTB75N05HD Single N-Channel DD Pak ON Semiconductor
R
DS(ON)
= 0.0095Ω, C
ISS
= 2600pF
Table 3. Manufacturers’ Web Sites
MANUFACTURER WEB SITE
TEMIC Semiconductor www.temic.com
International Rectifier www.irf.com
ON Semiconductor www.onsemi.com
Harris Semiconductor www.semi.harris.com
IRC-TT www.irctt.com
Vishay-Dale www.vishay.com
Vishay-Siliconix www.vishay.com
Diodes, Inc. www.diodes.com
26
LTC4221
4221fa
TYPICAL APPLICATIO S
U
Sequenced Turn-On
ON2
FAULT
GND
LTC4221
Z1
Z2
1
16
7
10
9
8
FB2
PWRGD2
PWRGD1
PWRGD2
V
OUT1
3.3V
5A
V
OUT2
2.5V
5A
FB1
LONG
LONG
GND
LONG
Z1, Z2: SMAJ10
TIMER
FILTER
234151413
12
11
6
5
ON1
V
CC1
SENSE1 GATE1 V
CC2
SENSE2 GATE2
V
CC1
3.3V
V
CC2
2.5V
BACKPLANE
CONNECTOR
(FEMALE)
PCB EDGE
CONNECTOR
(MALE)
R
X1
10Ω
R
X2
10Ω
R3
14.3k
R4
10k
R2
21k
R1
10k
R
F3
14.3k
Q2
IRF7413
R
F4
5.11k
R
PG2
10k
R
F1
20k
R
F2
5.11k
4221 TA04
C
X1
100nF
C
FILTER
1nF
C
TIMER
470nF
C
X2
100nF
Q1
IRF7413
R
SENSE1
0.004Ω
R
SENSE2
0.004Ω
Simultaneous Turn-On with Autoretry Function—Linked Current Limits
ON2
FAULT
GND
LTC4221
Z1
Z2
1
16
7
10
9
8
FB2
PWRGD2
PWRGD1
PWRGD2
V
OUT1
3.3V
5A
V
OUT2
2.5V
5A
PWRGD1
FB1
LONG
LONG
GND
LONG
Z1, Z2: SMAJ10
TIMER
FILTER
234151413
12
11
6
5
ON1
V
CC1
SENSE1 GATE1 V
CC2
SENSE2 GATE2
V
CC1
3.3V
V
CC2
2.5V
BACKPLANE
CONNECTOR
(FEMALE)
PCB EDGE
CONNECTOR
(MALE)
R
X1
10Ω
R
X2
10Ω
R3
12.4k
R2
16.5k
R1
4.22k
R
F3
14.3k
Q2
IRF7413
R
F4
5.11k
R
PG2
10k
R
PG1
10k
R
F1
20k
R
F2
5.11k
4221 TA03
C
X1
100nF
C
FILTER
1nF
C
TIMER
470nF
C
X2
100nF
Q1
IRF7413
R
SENSE1
0.004Ω
R
SENSE2
0.004Ω
27
LTC4221
4221fa
U
PACKAGE DESCRIPTIO
GN Package
16-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
GN16 (SSOP) 0204
.016 – .050
(0.406 – 1.270)
.015
±
.004
(0.38
±
0.10)
× 45°
0° – 8° TYP
.007 – .0098
(0.178 – 0.249)
.0532 – .0688
(1.35 – 1.75)
.008 – .012
(0.203 – 0.305)
TYP
.004 – .0098
(0.102 – 0.249)
.0250
(0.635)
BSC
12
3
4
5
6
7
8
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
16
15
14
13
.189 – .196*
(4.801 – 4.978)
12 11 10
9
.009
(0.229)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 BSC.0165 ± .0015
.045 ±.005
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
Sequenced Up/Down, Channel 1 Up First, Down Last
ON2
FAULT
GND
LTC4221
Z1
Z2
D1
1
16
7
10
9
8
FB2
PWRGD2
PWRGD1
V
OUT1
3.3V
5A
V
OUT2
2.5V
5A
FB1
LONG
LONG
SHORT
GND
FAULT
LONG
SHORT
D1: 1N4148
Z1, Z2: SMAJ10
TIMER
FILTER
234151413
12
11
6
5
ON1
V
CC1
SENSE1 GATE1 V
CC2
SENSE2 GATE2
V
CC1
3.3V
V
CC2
2.5V
ON
0V TO 3.3V
OR
3.3V TO 0V
BACKPLANE
CONNECTOR
(FEMALE)
PCB EDGE
CONNECTOR
(MALE)
R
X1
10Ω
R
X2
10Ω
R5
13k
R3
8.06k
R2
6.98k
R4
10k
R1
17.8k
R
F3
14.3k
Q2
IRF7413
R
F4
5.11k
R
F1
20k
R
F2
5.11k
4221 TA05
C
X1
100nF
C
FILTER
1nF
C
TIMER
470nF
C
X2
100nF
Q1
IRF7413
R
SENSE1
0.004Ω
R
SENSE2
0.004Ω
TYPICAL APPLICATIO S
U
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.
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LTC4221IGN#PBF

Mfr. #:
Buy LTC4221IGN#PBF
Manufacturer:
Analog Devices Inc.
Description:
Hot Swap Voltage Controllers 2x Hot Swap Cntr/Pwr Sequencer w/ 2x Spe
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