CS8481 ON Semiconductor, CS8481 Datasheet

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CS8481

Manufacturer Part Number
CS8481
Description
Micropower Low Dropout Regulator
Manufacturer
ON Semiconductor
Datasheet

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CS8481
3.3 V/250 mA, 5.0 V/100 mA
Micropower Low Dropout
Regulator with ENABLE
regulator. The switched 3.3 V primary output (V
250 mA while the secondary 5.0 V (V
100 mA. Both outputs have a maximum dropout voltage of 600 mV
and low reverse current. Quiescent current drain is typically 150 mA
when supplying 100 mA from each output.
output. With the primary output disabled, quiescent current drain is
typically 100 mA when supplying 100 mA from the secondary output.
reverse battery, short circuit, overvoltage, and overtemperature on
both outputs.
Features
January, 2004 − Rev. 9
The CS8481 is a precision, dual Micropower linear voltage
The ENABLE input provides logic level control of the primary
The CS8481 is extremely robust with protection provided for
The CS8481 is available in a D
3.3 V/250 mA Primary Output
5.0 V/100 mA Secondary Output
3.0% Tolerance, Both Outputs
ON/OFF Control for Primary Output
Low Quiescent Current Drain (100 mA V
Low Reverse Current
Protection Features
Semiconductor Components Industries, LLC, 2004
Reverse Battery (−15 V)
74 V Peak Transient Voltage
Short Circuit
Overtemperature
Overvoltage (34 V)
2
PAK−5.
OUT2
OUT2
) is capable of supplying
OUT1
)
) supplies up to
1
CS8481YDP5
CS8481YDPR5
†For information on tape and reel specifications,
*Consult your local sales representative for SO−8,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
SO−16, DIP−8, DIP−16, TO−220−5, and D
packaging options.
1
Device
ORDERING INFORMATION*
1
A
WL, L
YY, Y
WW, W = Work Week
AWLYWW
5
PIN CONNECTIONS AND
CS8481
MARKING DIAGRAM
http://onsemi.com
= Assembly Location
= Wafer Lot
= Year
Package
D
D2PAK−5
2
PAK−5
Publication Order Number:
Tab = GND
Pin 1. V
CASE 936AC
DP SUFFIX
D
2
750 Tape & Reel
PAK−5
2. V
3. GND
4. V
5. ENABLE
50 Units/Rail
Shipping
IN
OUT1
OUT2
CS8481/D
2
PAK−7

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CS8481 Summary of contents

Page 1

... CS8481 3.3 V/250 mA, 5.0 V/100 mA Micropower Low Dropout Regulator with ENABLE The CS8481 is a precision, dual Micropower linear voltage regulator. The switched 3.3 V primary output (V 250 mA while the secondary 5 100 mA. Both outputs have a maximum dropout voltage of 600 mV and low reverse current. Quiescent current drain is typically 150 mA when supplying 100 mA from each output ...

Page 2

... IN ENABLE Power Dissipation Maximum Junction Temperature Storage Temperature Range Electrostatic Discharge (Human Body Model) Lead Temperature Soldering 1. 60 second maximum above 183 C *The maximum package power dissipation must be observed. CS8481 Primary Output + − Overvoltage Shutdown Secondary Output + − Figure 1. Block Diagram ...

Page 3

... ENABLE = HIGH, 6.0 V Input Bias Current 0 V Protection Circuits Overtemperature Threshold Note 2 Overvoltage Shutdown 2. Guaranteed by Design. PACKAGE PIN DESCRIPTION PACKAGE LEAD # 2 D PAK− CS8481 = 100 mA, − OUT1 OUT2 Test Conditions I 250 mA OUT1 250 mA, V ...

Page 4

... System Turn Load Condition On Dump General The CS8481 is a Micropower dual regulator. All bias required to operate the internal circuitry is derived from the standby output this output experiences an over OUT2 current situation and collapses, then V collapse (see Figure 2). If there is critical circuitry that must remain active under most conditions it should be connected to V circuitry that is likely to be subjected to a short circuit, e ...

Page 5

... R qJA functions of the package type, heatsink and the interface between them. These values appear in heat sink data sheets of heat sink manufacturers OUT2 CS8481 V OUT1 ENABLE GND Figure 4. Test and Application Circuit http://onsemi.com 5 I OUT1 SMART V ...

Page 6

... Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 6 PAK−5 Unit 2.4 C/W C/W qCA ON Semiconductor Website: http://onsemi.com Order Literature: http://www.onsemi.com/litorder For additional information, please contact your local Sales Representative. CS8481/D ...

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