Datasheet

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TS317

3-Terminal Adjustable Positive Voltage Regulator

Document Number:

DS_P0000263

Version: E15

220

263

PAK)

252

(DPAK)

SOT

223

General Description

The TS317 is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A over an output

voltage range of 1.25 V to 37 V. This voltage regulator is exceptionally easy to use and require only two external

resistors to set the output voltage. Further, it employs internal current limiting, thermal shutdown and safe area

compensation, making it essentially blow-out proof.

Features

● Output Voltage Range 1.25 to 37V

● Output current

- TO-220/TO-263 up to 1.5A

- TO-252/SOT-223 up to 500mA

● Eliminates Stocking Many Fixed Voltages

● Internal Thermal Overload Protection

● Current Limit Constant with Temperature

● Output transistor safe-area compensation

● Output voltage offered in 4% tolerance

● Floating Operation for High Voltage Applications

Standard Application Circuit

Ordering Information

Part No. Package Packing

TS317CZ C0G TO-220 50pcs / Tube

TS317CM RNG

TO-263 800pcs / 13” Reel

TS317CP ROG TO-252

2.5Kpcs / 13” Reel

TS317CW RPG

SOT-223

2.5Kpcs / 13” Reel

Cin is required if regulator is located an appreciable

distance from power supply filter.

Co is not needed for stability, however, it does improve

transient response.

Vout = 1.25 V(1 + R2

/ R1 ) + I

Adj

Since I

Adj

is controlled to less than 100 µA, the error

associated with this term is negligible in most

applications

Note: “G” denotes for Halogen Free

Absolute Maximum Rating

(Ta = 25°C unless otherwise noted)

Parameter Symbol Limit Unit

Input Voltage V

40 V

Power Dissipation P

Internal Limited W

Operating Junction Temperature T

0~+125 °C

Storage Temperature Range T

STG

-65~+150 °C

Definition

1. Adjustable

2. Output

3. Input

Heatsink is connected to Pin 2

Summary of content (14 pages)

PAGE 1
TS317 3-Terminal Adjustable Positive Voltage Regulator TO-220 TO-263 2 (D PAK) TO-252 (DPAK) SOT-223 Pin Definition: 1. Adjustable 2. Output 3. Input Heatsink is connected to Pin 2 General Description The TS317 is adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5A over an output voltage range of 1.25 V to 37 V. This voltage regulator is exceptionally easy to use and require only two external resistors to set the output voltage.
PAGE 2
TS317 3-Terminal Adjustable Positive Voltage Regulator Thermal Performance Condition Thermal Resistance Junction to Air Thermal Resistance Junction to Case Package type TO-220 TO-263 TO-252 SOT-223 TO-220 TO-263 TO-252 SOT-223 Symbol RΘJA RΘJC Typ 50 55 100 130 5 5 10 15 Unit °C/W °C/W Electrical Characteristics (VI -VO = 5.0 V, Io=500mA for TO-220/TO-263 packages, Io=200mA for TO-252/SOT-223 package) Parameter Figure Symbol Min. Typ. Max. Unit Reference voltage, 3V ≤ Vi-Vo ≤ 40V 3 Vref 1.20 1.
PAGE 3
TS317 3-Terminal Adjustable Positive Voltage Regulator Functional Block Diagram Test Circuit Figure 1. Line Regulation Test Circuit Figure 2. Load Regulation and ∆Iadj/Load Test Circuit Figure 3. Standard Test Circuit Document Number: DS_P0000263 Figure 4.
PAGE 4
TS317 3-Terminal Adjustable Positive Voltage Regulator Electrical Characteristics Curve Figure 5. Load Regulation Figure 6. Current Limit Figure 7. Adjustment Pin Current Figure 8. Dropout Voltage Figure 9. Temperature Stability Figure 10.
PAGE 5
TS317 3-Terminal Adjustable Positive Voltage Regulator Electrical Characteristics Curve Figure 11. Ripple Rejection vs. Output Voltage Figure 12. Ripple Rejection vs. Output Current Figure 13. Ripple Rejection vs. Frequency Figure 14. Output Impedance Figure 15. Line Transient Response Figure 16.
PAGE 6
TS317 3-Terminal Adjustable Positive Voltage Regulator Application information Basic Circuit Operation The TS317 is a 3-terminal floating regulator. In operation, the TS317 develops and maintains a nominal 1.25V reference (Vref) between its output and adjustment terminals. This reference voltage is converted to a programming current (Iprog.) by R1 (see Figure 17), and this constant current flows through R2 to ground.
PAGE 7
TS317 3-Terminal Adjustable Positive Voltage Regulator Application information (Continue) Figure 19. “LABORATORY” power supply with adjustable current limit and output voltage Figure 21. 5V Electronic Shutdown Regulator Figure 20.
PAGE 8
TS317 3-Terminal Adjustable Positive Voltage Regulator Application information (Continue) Figure 22. Slow Turn-on Regulator Document Number: DS_P0000263 Figure 23.
PAGE 9
TS317 3-Terminal Adjustable Positive Voltage Regulator Application Information 2 Figure 24. D PAK Thermal Resistance and Maximum Power Dissipation vs. P.C.B Copper Length Figure 25. DPAK Thermal Resistance and Maximum Power Dissipation vs. P.C.B Copper Length Figure 26. SOT-223 Thermal Resistance and Maximum Power Dissipation vs. P.C.
PAGE 10
TS317 3-Terminal Adjustable Positive Voltage Regulator TO-220 Mechanical Drawing DIM A B C D E F G H I J K L M N O P TO-220 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 10.000 10.500 0.394 0.413 3.740 3.910 0.147 0.154 2.440 2.940 0.096 0.116 6.350 0.250 0.381 1.106 0.015 0.040 2.345 2.715 0.092 0.058 4.690 5.430 0.092 0.107 12.700 14.732 0.500 0.581 8.382 9.017 0.330 0.355 14.224 16.510 0.560 0.650 3.556 4.826 0.140 0.190 0.508 1.397 0.020 0.055 27.700 29.620 1.060 1.230 2.032 2.921 0.080 0.115 0.255 0.
PAGE 11
TS317 3-Terminal Adjustable Positive Voltage Regulator TO-263 Mechanical Drawing DIM A B C D E F G H I J TO-263 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 10.000 10.500 0.394 0.413 14.605 15.875 0.575 0.625 0.508 0.991 0.020 0.039 2.420 2.660 0.095 0.105 4.064 4.830 0.160 0.190 1.118 1.400 0.045 0.055 0.450 0.730 0.018 0.029 8.280 8.800 0.325 0.346 1.140 1.400 0.044 0.055 1.480 1.520 0.058 0.
PAGE 12
TS317 3-Terminal Adjustable Positive Voltage Regulator TO-252 Mechanical Drawing DIM A A1 B C D E F G G1 G2 H I J K L M TO-252 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 2.3BSC 0.09BSC 4.6BSC 0.18BSC 6.80 7.20 0.268 0.283 5.40 5.60 0.213 0.220 6.40 6.65 0.252 0.262 2.20 2.40 0.087 0.094 0.00 0.20 0.000 0.008 5.20 5.40 0.205 0.213 0.75 0.85 0.030 0.033 0.55 0.65 0.022 0.026 0.35 0.65 0.014 0.026 0.90 1.50 0.035 0.059 2.20 2.80 0.087 0.110 0.50 1.10 0.020 0.043 0.90 1.50 0.035 0.059 1.30 1.70 0.051 0.
PAGE 13
TS317 3-Terminal Adjustable Positive Voltage Regulator SOT-223 Mechanical Drawing DIM A B C D E F G H I J K SOT-223 DIMENSION MILLIMETERS INCHES MIN MAX MIN MAX 6.350 6.850 0.250 0.270 2.900 3.100 0.114 0.122 3.300 3.750 0.129 0.148 0.660 0.840 0.025 0.033 4.550 4.650 0.179 0.183 2.250 2.350 0.088 0.093 0.850 1.050 0.033 0.041 6.700 7.300 0.263 0.287 0.230 0.355 0.009 0.014 10° 16° 10° 16° 1.550 1.800 0.061 0.
PAGE 14
TS317 3-Terminal Adjustable Positive Voltage Regulator Notice Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document.