LR12 SUTEX [Supertex, Inc], LR12 Datasheet
LR12
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LR12 Summary of contents
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... V High Input Voltage General Description The Supertex LR12 is a high voltage, low output current, adjustable linear regulator. It has a wide operating input voltage range of 13.2V to 100V. The output voltage can be adjusted from 1.20V to 88V provided that the input voltage is at least 12V greater than the output voltage ...
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... Minimum Output Current OUT I Adjust Output Current ADJ C2 Minimum Output Load Capacitance DV /DV Ripple Rejection Ratio OUT IN T Junction Temperature Limit LIMIT TO-92 LR12N3 LR12N3-G Pin Configurations ADJ SO-8 -0.5V to +120V -10V to +10V -0.5V to +120V -40°C to +85°C -40°C to +125°C -65° ...
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... Significant P increase possible on ceramic substrate. D Functional Block Diagram V IN θ θ θ θ θ θ θ θ θ θ °C/W °C/W 125 170 † — 55 6.25 50 † LR12 Pass Element 6.5V 1KΩ Overtemp & 1.2V Overcurrent 3 V OUT ADJ 10μA LR12 A081605 ...
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... Required for conditions where V V Auxiliary OUT Vcc FB PWM IC Figure 2: SMPS Start-Up Circuit LR12 OUT R ADJ = 15V to 100V 100nF - 4 V =5.0V OUT C2 100nF = 1.20V ADJ OUT R1 is less than OUT + Vout1 - + Vout2 - 1.20V I OUT = R LR12 A081605 ...
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... Typical Performance Curves OUT LR12 ADJ 13. 5.0V IN OUT LR12 ADJ 6.04KΩ ±1% 25V 18.2KΩ ±1% 1.30 1.25 =1.2V 1.20 1.15 100nF 2.4KΩ 1.10 1.05 1.00 -50 5.30 5.25 I OUT 5.20 5.15 5.10 5.05 100nF R LOAD 5.00 4.95 4.90 4.85 4. Temperature Variation - 100 125 o T(junction Load Regulation OUT (mA) LR12 A081605 ...
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... Current Limit 100 - 100nF 1KΩ -65 I OUT -64 -63 100nF R LOAD -62 -61 - Temperature ( OUT vs 100 V IN (V) Ripple Rejection OUT (mA 100 LR12 A081605 ...
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... Line Power Up Transient SW SW 100nF 10KΩ 509Ω 200mV/div 6.04KΩ ±1% 100nF 10KΩ 7 Open Closed V OUT Load Transient Response, Load = 509Ω 50V/div V OUT 5V/div Line Turn On/Off Response V IN 50V/div V OUT 5V/div Line Power Down Transient LR12 A081605 ...
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... H (1.270 ± 0.127) 0.140 ± 0.005 E (3.556 ± 0.127) 0.020 ± 0.009 h (0.508 ± 0.2286) 7° (4 PLCS) 45° 0° ° 0.0275 ± 0.0025 L 0.035 ± 0.015 (0.6985 ± 0.0635) (0.889 ± 0.381) Dimensions in Inches (Dimensions in Millimeters) LR12 A081605 ...
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... Doc.# DSFP-LR12 A081605 9 LR12 A081605 ...