DS1640 Maxim Integrated Products, DS1640 Datasheet

IC POWER FET PC 16-DIP

DS1640

Manufacturer Part Number
DS1640
Description
IC POWER FET PC 16-DIP
Manufacturer
Maxim Integrated Products
Type
General Purposer
Datasheet

Specifications of DS1640

Number Of Outputs
4
Internal Switch(s)
Yes
Current Limit
300mA
Voltage - Input
3 ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Rds (on)
-

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FEATURES
DESCRIPTION
The DS1640 contains four P channel power MOS FETs designed as switches to conserve power in
personal computer systems. When connected to power management control units, power consuming
devices like disk drives or display panel backlights can be routinely shut down to conserve battery or
main power supply energy. The P channel power MOS FETs are individually controlled and are capable
of handling 300 mA each continuously with less than 0.2 volts drop from input to output. The device
requires a +3 Û +5 volt power supply input which is used to power internal logic and to operate a gate
bias generator.
www.dalsemi.com
Contains four P channel power FET switches
that can each supply over 300 mA @ 0.2 volts
drop
Controlled directly from CMOS or TTL level
signals
Fast switching time of less than 10 s at rated
supply current
16-pin DIP or 16-pin SOIC surface mount
package
Positive logic signal turns each FET on and
ground or low level signal turns each FET off
Off condition allows less than 50 nA of
current flow
Low control gate capacitance of less than 5
pF
FET gates can either follow inputs or be
latched
Designed for use with power supplies ranging
from +3 to +5 volts
1 of 4
Personal Computer Power FET
PIN ASSIGNMENT
PIN DESCRIPTION
V
GND
IN1-IN4
OUT1-OUT4
GATE1-GATE4
NC
LATCH
CC
GATE1
LATCH
GATE2
OUT1
OUT2
GND
GATE1
LATCH
GATE2
IN1
See Mech. Drawings Section
IN2
OUT1
OUT2
See Mech. Drawings Section
GND
16-Pin DIP SOIC (300-mil)
IN1
IN2
16-Pin DIP (300-mil)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
DS1640/DS1640C
- +3 to +5 Volt Input
- Ground
- FET Sources
- FET Drains
- FET Control Gates
- No Connection
- Gate Inputs Latch Control
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
IN4
GATE4
OUT4
NC
V
OUT3
GATE3
IN3
CC
IN4
GATE4
OUT4
NC
V
OUT3
GATE3
IN3
CC
111999

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DS1640 Summary of contents

Page 1

... Designed for use with power supplies ranging from + volts DESCRIPTION The DS1640 contains four P channel power MOS FETs designed as switches to conserve power in personal computer systems. When connected to power management control units, power consuming devices like disk drives or display panel backlights can be routinely shut down to conserve battery or main power supply energy ...

Page 2

... The four switches can be operated independently or two or more can be connected in parallel for added current carrying capability. The four switches contained within the DS1640 are not designed to be operated in a linear manner. When not within nominal limits, the output levels and current carrying capability of the four switches are CC not guaranteed ...

Page 3

ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the ...

Page 4

... All DS1640 devices are made using the same quality materials and manufacturing methods. However, consumer versions of the DS1640 are not exposed to environmental stresses that some commercial device manufacturing flows require. Devices that are designated as consumer product have a “C” designator in the product number. For example, the DS1640C is a consumer grade product ...

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