LR8K4-G Supertex, LR8K4-G Datasheet
LR8K4-G
Specifications of LR8K4-G
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LR8K4-G Summary of contents
Page 1
... Supertex inc. High Input Voltage, General Description The Supertex LR8 is a high voltage, low output current, adjustable linear regulator. It has a wide operating input voltage range of 13.2 - 450V. The output voltage can be adjusted from 1.20 - 440V provided that the input voltage is at least 12V greater than the output voltage ...
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... Ordering Information Package Options Device TO-252 (D-PAK) LR8 LR8K4-G -G indicates package is RoHS compliant (‘Green’) Absolute Maximum Ratings Parameter V input voltage (voltages ref to ADJ) IN Output voltage range Operating ambient temperature range Operating junction temperature range Storage temperature range Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device ...
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... Ripple rejection ratio OUT IN T Junction temperature limit LIMIT Thermal Characteristics Package TO-92 TO-243AA TO-252 Note: † Mounted on FR4 board, 25mm x 25mm x 1.57mm. Functional Block Diagram VIN Supertex inc. (cont.) < 85°C.) A Min Typ Max - 0.3 5 125 - Power Dissipation @ T = 25° ...
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... C1 * Required for conditions where V Figure 2: SMPS Start-Up Circuit 12V) to 450V IN OUT VIN VOUT LR8 ADJ Figure 3: High Voltage Adjustable Constant Current Source + OUT - Supertex inc. * VIN VOUT R1 LR8 ADJ 6.04k 1% R2 18. less than V IN OUT V AUXILIARY V CC PWM IC FB ...
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... LR8 ADJ 12V V IN LR8 ADJ 12V, 200V 400V I ADJ OUT LR8 ADJ 25V 18.2k ± 1% Supertex inc 1.2V OUT 2.4k 1.0µF V OUT = 1.2V 1.0 F 2.4k = 5.0V I OUT 6.04k ± 1% 1.0µF R LOAD 1235 Bordeaux Drive, Sunnyvale, CA 94089 5 Temperature Variation 1 ...
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... Typical Performance Curves V V OUT IN LR8 ADJ 0V to 50V 18.2k ± OUT LR8 ADJ 20V P-P @ 60Hz 65V 18.2K ± 1% Supertex inc. (cont.) = 5.0V 6.04k ±1% 1k 1.0µ 5.0V OUT 6.04K ± 1% 1.0µF R LOAD -40 - Temperature ( 1235 Bordeaux Drive, Sunnyvale, CA 94089 ...
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... Line Transient Response 400V V V OUT IN LR8 ADJ 18.2k ±1% 400V 5.0V V OUT 0V Line Power Up Transient Supertex inc. (cont.) Closed SW sw Open 1.0µF 10k 532 V OUT = 5.0V 400V 6.04k ±1% 1.0µF 10k V 400V V 0V 5.0V V OUT 0V ...
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... MAX .094 .005 .035 .045 JEDEC Registration TO-252, Variation AA, Issue E, June 2004. * This dimension is not specified in the JEDEC drawing. † This dimension differs from the JEDEC drawing. Drawings not to scale. Supertex Doc. #: DSPD-3TO252K4, Version F040910. Supertex inc Note Rear View ...
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... Plane E1 Symbol A MIN .170 Dimensions NOM - (inches) MAX .210 JEDEC Registration TO-92. * This dimension is not specified in the JEDEC drawing. † This dimension differs from the JEDEC drawing. Drawings not to scale. Supertex Doc.#: DSPD-3TO92N3, Version E041009. Supertex inc Front View Bottom View ...
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... JEDEC Registration TO-243, Variation AA, Issue C, July 1986. † This dimension differs from the JEDEC drawing Drawings not to scale. Supertex Doc. #: DSPD-3TO243AAN8, Version F111010. (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to http://www.supertex.com/packaging.html.) does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives Supertex inc ...