LTC4241

16

sn4241 4241f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

©LINEAR TECHNOLOGY CORPORATION 2002

LT/TP 0303 2K • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATIO

PART NUMBER

DESCRIPTION

COMMENTS

LTC1421

2-Channel Hot Swap Controller

Operates from 3V to 12V and Supports –12V

LTC1422

Hot Swap Controller in SO-8

System Reset Output with Programmable Delay

LT1641-1/LT1641-2

High Voltage Hot Swap Controller

Operates from 9V to 80V, SO-8 Package, Latch Off/Auto Retry

LTC1642

Fault Protected Hot Swap Controller

Operates Up to 16.5V, Protected to 33V

LTC1643AL/LTC1643AL-1/LTC1643AH

PCI-Bus Hot Swap Controller

3.3V, 5V and

±12V in Narrow 16-Pin SSOP Package

LTC1644

CompactPCI Bus Hot Swap Controller

3.3V, 5V and

±12V, 1V Precharge, Local PCI Logic

LTC1645

2-Channel Hot Swap Controller

Operates from 1.2V to 12V, Power Sequencing

LTC1646

CompactPCI Dual Hot Swap Controller

3.3V and/or 5V Supplies, 1V Precharge, Local PCI Reset Logic

LTC1647-1/LTC1647-2/LTC1647-3

Dual Hot Swap Controllers

Operates from 2.7V to 16.5V

LTC4211

Single Channel, Hot Swap Controller

2.5V to 16.5V Operation, Multilevel Current Control,

MSOP Package

LTC4230

Triple Channel, Hot Swap Controller

1.7V to 16.5V Operation, Multilevel Current Control

LT4250L/LT4250H

– 48V Hot Swap Controller in S0-8

Operates from –20V to –80V, Active Current Limiting

LTC4251

–48V Hot Swap Controller in S0T-23

–48V Hot Swap Controller, Active Current Limiting

LTC4252

–48V Hot Swap Controller in MSOP

Active Current Limiting With Drain Acceleration

LTC4253

–48V Hot Swap Controller and Sequencer

Active Current Limiting With Drain Acceleration and Three

Sequenced Power Good Outputs

LTC4350

Hot Swappable Load Share Controller

Output Voltages from 1.5V to 12V

Figure 9. System Without 3.3V Supply

4

3

2

1

AUXIN AUXSENSE

GND

AUXON

ON

FAULT

PWRGD

C3

10nF

R6

10

Ω

C1

0.047

µF

C2

0.1

µF

R4

10

Ω

R3

0.07

Ω

R1

0.007

Ω

4

3

2

1

R7

100

Ω

R8 10k

R9 10k

LTC4241

8

1

2

12

5

6

7

20

19

4

11

10

9

13

17

14

16

15

3

18

PCI

POWER

SYSTEM

CONTROLLER

SYSTEM

POWER

SUPPLY

BACKPLANE

CONNECTOR

GND

5V

5A

500mA

12V

500mA

–12V

100mA

Q1

IRF7413

Q3

Si4412ADY

4241 F09

TIMER

CompactPCI is a trademark of the PCI Industrial Computer Manufactures Group

ThinSOT is a trademark of Linear Technology Corporation