DS4560 datasheet, PDF - EEWORLD Datasheet

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DS4560: Description12V Hot-Plug Switch; File Size294KB，8 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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DS4560 Overview

12V Hot-Plug Switch

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19-4619; Rev 2; 5/09

12V Hot-Plug Switch

General Description

The DS4560 is a self-contained hot-plug switch intend-

ed to be used on +12V power buses to limit through

current and to control the power-up output-voltage

ramp. The device contains an on-board 25mΩ n-chan-

nel power MOSFET that is actively closed-loop con-

trolled to ensure that an adjustable current limit is not

exceeded. The maximum allowable current through the

device is determined by an external resistor connected

to the ILIM pin.

The DS4560 also contains the ability to control the

power-up output-voltage ramp. A capacitor connected

to the VRAMP pin sets the desired voltage ramp rate.

The output voltage is unconditionally clamped to keep

input overvoltage stresses from harming the load. The

DS4560 also contains an adjustable power-up timer. A

capacitor connected to the TIMER pin determines how

long after power-on reset the DS4560 should wait

before starting to apply power to the load. The TIMER

pin can also be driven with a digital logic output to cre-

ate a device-enable function.

The DS4560 contains an on-board temperature sensor

with hysteresis. If operating conditions cause the

device to exceed an internal thermal limit, the DS4560

either unconditionally shuts down and latches off await-

ing a power-on reset (DS4560S-LO), or it waits until the

device has cooled by the hysteresis amount and then

restarts (DS4560S-AR).

♦

On-Board 25mΩ Power MOSFET

♦

Adjustable Short-Circuit Current and Overload

Current Limit

♦

Adjustable Output-Voltage Slew Rate

♦

Adjustable Power-Up Timer with External Enable

Capability

♦

Output Overvoltage Limiting

♦

On-Board Thermal Protection

♦

On-Board Charge Pump

♦

Latchoff and Autoretry Versions Available

♦

9.0V to 13.2V Supply Operation

♦

8-Pin SO (150 mils) Pb-Free Package

♦

UL Certification Record E211395

Features

DS4560

Pin Configuration

TOP VIEW

GND

VRAMP

TIMER

ILIM

DS4560

LOAD

Applications

RAID/Hard Drives

Servers/Routers

PCI/PCI Express

InfiniBand

Base Stations

SO (150 mils)

Ordering Information

PART

DS4560S-LO+

DS4560S-LO+T

DS4560S-AR+

DS4560S-AR+T

THERMAL

SHUTDOWN

Latchoff

Autoretry

PIN-PACKAGE

8 SO

5, 6, 7

NAME

GND

VRAMP

TIMER

ILIM

LOAD

Pin Description

FUNCTION

Ground. This is also a heat sink for the

device.

Output-Voltage Ramp Adjustment

Power-Up Timer/Enable

Current-Limit Adjustment

Output Load Connection (MOSFET Source)

Input Supply Voltage (MOSFET Drain)

+Denotes

a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

PCI Express is a registered trademark of PCI-SIG Corp.

InfiniBand is a trademark and service mark of the InfiniBand Trade Association.

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

DS4560 Related Products

	DS4560	DS4560S-AR+	DS4560S-AR+T	DS4560S-LO+	DS4560S-LO+T
Description	12V Hot-Plug Switch	12V Hot-Plug Switch	12V Hot-Plug Switch	12V Hot-Plug Switch	12V Hot-Plug Switch
Is it lead-free?	-	Lead free	Lead free	Lead free	Lead free
Is it Rohs certified?	-	conform to	conform to	conform to	conform to
Parts packaging code	-	SOIC	SOIC	SOIC	SOIC
package instruction	-	SOP, SOP8,.25	SOP, SOP8,.25	SOP, SOP8,.25	SOP, SOP8,.25
Contacts	-	8	8	8	8
Reach Compliance Code	-	compli	compli	compli	compli
ECCN code	-	EAR99	EAR99	EAR99	EAR99
Adjustable threshold	-	YES	YES	YES	YES
Analog Integrated Circuits - Other Types	-	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	-	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
JESD-609 code	-	e3	e3	e3	-
length	-	4.9 mm	4.9 mm	4.9 mm	4.9 mm
Humidity sensitivity level	-	1	1	1	1
Number of channels	-	1	1	1	1
Number of functions	-	1	1	1	1
Number of terminals	-	8	8	8	8
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	SOP	SOP	SOP	SOP
Encapsulate equivalent code	-	SOP8,.25	SOP8,.25	SOP8,.25	SOP8,.25
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	-	260	260	260	NOT SPECIFIED
power supply	-	12 V	12 V	12 V	12 V
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	1.75 mm	1.75 mm	1.75 mm	1.75 mm
Maximum supply current (Isup)	-	2 mA	2 mA	2 mA	2 mA
Maximum supply voltage (Vsup)	-	13.2 V	13.2 V	13.2 V	13.2 V
Minimum supply voltage (Vsup)	-	9 V	9 V	9 V	9 V
Nominal supply voltage (Vsup)	-	12 V	12 V	12 V	12 V
surface mount	-	YES	YES	YES	YES
Terminal surface	-	MATTE TIN (800)	MATTE TIN	MATTE TIN (800)	-
Terminal form	-	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	-	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Terminal location	-	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	30	30	30	NOT SPECIFIED
width	-	3.9 mm	3.9 mm	3.9 mm	3.9 mm
Base Number Matches	-	1	1	1	1
Factory Lead Time	-	-	6 weeks	9 weeks	9 weeks

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