KA317LZTA - ON SEMICONDUCTOR

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KA317L — 3-Terminal 0.1A Positive Adjustable Regulator

KA317L Rev. 1.1.0 1

December 2012

KA317L

3-Terminal 0.1A Positive Adjustable Regulator

Features

• Output Current in Excess of 100 mA

• Output Adjustable Between 1.2 V and 37 V

• Internal Thermal Overload Protection

• Internal Short Circuit Current Limiting

• Output Transistor Safe Area Compensation

• Floating Operation for High-Voltage Applications

Ordering Information

Block Diagram

Figure 1. Block Diagram

Part Number Operating Temperature Range Top Mark Package Packing Method

KA317LZTA 0°C to +125°C KA317LZ TO-92 Ammo

Rlimit

3Vin

Voltage

Reference

Vadj

Protection

Circuitry

Input

Output

LIMIT

ADJ

Description

The KA317L is a 3-terminal, adjustable, positive-volt-

age regulator cap a ble of s upply ing in exce ss of 1 00 mA

over an output voltage range of 1.2 V to 37 V. This volt-

age regulator requires only two external resistors to set

the output voltage.

TO-92

1. Adj 2. Output 3. Input

KA317L — 3-Terminal 0.1A Positive Adjustable Regulator

KA317L Rev. 1.1.0 2

Absolute Maximum Ratings

Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-

ble above the re co mmen ded operating conditions and s tres si ng the parts to these level s i s not recommended. In addi-

tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The

absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted.

Electrical Characteristics

VI - VO = 5 V, IO = 40 mA, 0°C ≤ TJ ≤ +125°C, PD(MAX) = 625 mW, unless otherwise specified.

Note:

1. Load and Line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken

into account separately. Pulse testing with low duty cycle is used.

Symbol Parameter Value Unit

VI - VOInput-Output Voltage Differential 40 V

PDPower Dissipation Internally limited W

TJOperating Junction Temperature Range 0 ~ +125 °C

TSTG Storage Temperature Range -65 ~ +125 °C

Symbol Parameter Conditions Min. Typ. Max. Unit

RLINE Line Regulation(1) TA = +25°C, 3 V ≤ VI − VO ≤ 40 V 0.01 0.04 %/V

3 V ≤ VI − VO ≤ 40 V 0.02 0.07 %/V

RLOAD Load Regulation(1)

TA = +25°C, 10 mA ≤ IO ≤ 100 mA,

VO ≤ 5 V 525mV

TA = +25°C, 10 mA ≤ IO ≤ 100 mA,

VO ≥ 5 V 0.1 0.5 %/VO

10 mA ≤ IO ≤ 100 mA, VO ≤ 5 V 20 70 mV

10 mA ≤ IO ≤ 100 mA, VO ≥ 5 V 0.3 1.5 %/VO

IADJ Adjustment Pin Curre nt 50 100 μA

ΔIADJ Adjustme nt Pin Curre nt

Change

3 V ≤ VI - VO ≤ 40 V,

10 mA ≤ IO ≤ 100 mA,

PD < PDMAX

0.2 5 μA

VREF Reference Voltage 3 V < VI - VO < 40 V,

10 mA ≤ IO ≤ 100 mA,

PD ≤ PDMAX

1.20 1.25 1.30 V

STTTemperature Stability 0.7 %

IL(MIN) Minimum Load Current to

Maintain Regulation VI - VO = 40 V 3.5 10 mA

IO(MAX) Maximum Output Current VI - VO ≤ 15V, PD < PDMAX 100 200 mA

VI - VO ≤ 40 V,

PD < PDMAX, TA = +25°C25 50 mA

eNRMS Noise, %/VOUT TA = +25°C,

10 Hz < f < 10 kHz 0.003 %/VO

RR Ripple Rejection

VO = 10 V, f = 120 Hz,

without CADJ 65 dB

VO = 10 V, f = 120 Hz,

CADJ = 10 μF6680dB

ST Long-Term Stability TJ = +125°C, 1000 Hours 0.3 %

KA317L — 3-Terminal 0.1A Positive Adjustable Regulator

KA317L Rev. 1.1.0 3

Typical Application

Figure 2. 5V Electronic Shutdown Regulator

D1 protects the device during an input short circuit.

Figure 3. Slow Turn-On Regulator

Figure 4. Current Regulator

KA317L

120

Output

Input

KSP2222

720 TTL CONTROL

1.0

1N4002

ADJ

MINIMUM V

= 1.25V

KA317L

Output

Input

KSP2907

50K 1N4001

1.0

ADJ

240

Output

Input R2

ADJ

R1 I

KA317L

IOMAX VREF

-----------------





IADJ 1.25V

----------------@+=

IOMAX VREF

R1 R2+

----------------------





ADJ

+1.25V

R1 R2+

----------------------@

5mA IO500mA<<

KA317L — 3-Terminal 0.1A Positive Adjustable Regulator

KA317L Rev. 1.1.0 4

Physical Dimensions

Figure 6. 3-Lead, TO-92, Molded, 0.200 in Line Spacing Lead Form

Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner

without notic e. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor represe ntative to verify or

obtain the most recent revision. Package specifica tions do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the

warranty therein, which covers Fairchild produ cts.

Always visit Fairchild Semiconduct or’s online packaging are a for the most recent package drawings :

http://www.fairchildsemi.com/packaging/.

For current tape an d reel specifications, visit Fair child Semiconductor’s online pac kaging area:

http://www.fairchildsemi.com/products/discrete/pdf/to92_tr.pdf.

TO-92 Ammo Type

TRADEMARKS

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intended to be an exhaustive list of all such trademarks.

2Cool¥

AccuPower¥

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and Better™

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MicroFET¥

MicroPak¥

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OPTOLOGIC

OPTOPLANAR

PowerTrench

PowerXS™

Programmable Active Droop¥

QFET

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Saving our world, 1mW/W/kW at a time™

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Solutions for Your Success¥

SPM

STEALTH¥

SuperFET

SuperSOT¥-3

SuperSOT¥-6

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SupreMOS

SyncFET¥

Sync-Lock™

The Power Franchise

TinyBoost¥

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TranSiC¥

TriFault Detect¥

TRUECURRENT

PSerDes¥

UHC

Ultra FRFET¥

UniFET¥

VCX¥

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XS™

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WHICH COVERS THESE PRODUCTS.

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EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.

As used herein:

1. Life support devices or systems are devices or systems which, (a) are

intended for surgical implant into the body or (b) support or sustain

life, and (c) whose failure to perform when properly used in

accordance with instructions for use provided in the labeling, can be

reasonably expected to result in a significant injury of the user.

2. A critical component in any component of a life support, device, or

system whose failure to perform can be reasonably expected to

cause the failure of the life support device or system, or to affect its

safety or effectiveness.

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PRODUCT STATUS DEFINITIONS

Definition of Terms

Datasheet Identification Product Status Definition

Advance Information Formative / In Design Datasheet contains the design specifications for product development. Specifications may change

in any manner without notice.

Preliminary First Production

Datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild

Semiconductor reserves the right to make changes at any time without notice to improve design.

No Identification Needed Full Production Datasheet contains final specifications. Fairchild Semiconductor reserves the right to make

changes at any time without notice to improve the design.

Obsolete Not In Production Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor.

The datasheet is for reference information only.

Rev. I63

www.onsemi.com

ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.

ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent

coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.

ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability

arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.

Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,

regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or

specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer

application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not

designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification

in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized

application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and

expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such

claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This

literature is subject to all applicable copyright laws and is not for resale in any manner.

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