FP0100_10 SUTEX | Alldatasheet

Document overview

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Technical content

Features

► Up to 100V input voltage protection ► Low on resistance – 4.0Ω typical ► Fast switching speed ► No external supplies needed

Applications

► Power supplies ► Fast resettable fuse ► High side switches ► Data acquisition General Description The Supertex FP0100 is a high voltage fault protection switch with current fold-back. It is designed to protect system output power supplies against over-current or short circuit conditions. In protection mode, the FP0100 limits the current to 300µA. The FP0100 can be considered as a normally closed switch with a typical switch resistance of 4.0Ω . The peak current allowed to pass through the switch can be set by an external resistor across VOUT and RSEN. Once the voltage drop across VIN and VOUT exceeds a nominal value of 3.0V, the input current will fold-back to 300µA. In the off state, the FP0100 can withstand up to 100V. Higher input voltages can be accommodated by using an external depletion-mode MOSFET. Please refer to Figure 4 for more details. The FP0100 is available in a SOT-89 package. Fault Protection Switch with Current Fold-back Typical Application Circuit FP0100 LOAD VIN VIN VOUT RSEN RSEN

Supertex inc. www.supertex.com Doc.# DSFP-FP0100 C070113 Absolute Maximum Ratings Parameter Value VIN - VOUT, differential input voltage range 0 to +110V Maximum junction temperature +125°C Storage temperature range -65° to +150°C Power dissipation, TA@25°C 1.6W1 Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied. Continuous operation of the device at the absolute rating level may affect device reliability. All voltages are referenced to device ground. Note: 1. Mounted on FR4 board, 25mm x 25mm x 1.57mm. Pin Configuration TO-243AA (SOT-89) TO-243AA (SOT-89) Y = Code for year sealed W = Code for week sealed = “Green” Packaging F10YW Product Marking Package may or may not include the following marks: Si or VIN RSEN VOUT VOUT Sym Parameter Min Typ Max Units Conditions VIN - VOUT Differential input voltage range 0 - 100 V VOUT = GND, IIN = 600µA IPEAK Peak current - 260 - mA RSEN = 0Ω - 20 40 mA RSEN = 50Ω - 10 20 mA RSEN = 100Ω IOFF Off current - 300 600 µA VIN - VOUT = 100V, See I-V curve RON On resistance - 4.0 6.0 Ω IIN = 20mA, RSEN = 0Ω VTRIP VIN - OUT trip point to turn off - 3.0 - V RSEN = 50Ω, IIN = 90% of IPEAK See I-V curve VOFF Switch turn off voltage - - 4.5 V IOFF ≤ 600µA TJ Operating junction temperature -40 - +125 °C --- Electrical Characteristics (TA = 25OC unless otherwise specified) Block Diagram VIN VOUT RSEN Switch Control IPEAK Control+

Ordering Information

Part Number Package Packing FP0100N8-G 3-Lead SOT-89 2000/Reel Typical Thermal Resistance Package θja 3-Lead SOT-89 133OC/W ESD Sensitive Device -G denotes a lead (Pb)-free / RoHS compliant package

1 VIN Input voltage

Figure 6. Typical Short Circuit Waveforms

Supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such appl ications unless it receives an adequate “product liability indemnification insurance agreement.” Supertex inc. does not assume responsibility for use of devices described, and limits its liabilit y to the replacement of the devices determined defective due to workmanship. No responsibility is assumed for possible omissions and inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications refer to the Supertex inc. (website: http//www.supertex.com) ©2013 Supertex inc. All rights reserved. Unauthorized use or reproduction is prohibited. Supertex inc.

1235 Bordeaux Drive, Sunnyvale, CA 94089

Tel: 408-222-8888 www.supertex.com (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.) FP0100 Doc.# DSFP-FP0100 C070113 3-Lead TO-243AA (SOT-89) Package Outline (N8) Symbol A b b1 C D D1 E E1 e e1 H L Dimensions (mm) 1.50 BSC 3.00 BSC 3.94 0.73† 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. b b1 D E H E1 C A 1 2 3 e Top View Side View L