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TPS79801-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS79801-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page IN OUT FB GND TPS79801 R 1 V IN V OUT R 2 C 1 V = 1.275 V (1 + R / R ) + I R V = 1.275 V I = 0.2 µA at 25°C Output Range = 1.275 V to 28 V OUT 2 1 FB 2 FB FB EN Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS79801-Q1, TPS79850-Q1 SLVS822E – MARCH 2009 – REVISED SEPTEMBER 2015 TPS798xx-Q1 50 mA, 3 V to 50 V, Micropower, Low-Dropout Linear Regulator 1 Features 3 Description The TPS798xx-Q1 is the first device in a line of 50-V 1 • Qualified for Automotive Applications high-voltage micropower low-dropout (LDO) linear • Wide Input Voltage Range: 3 V to 50 V regulators. This device is capable of supplying 50-mA • Low Quiescent Current: 40 μA (Typical) output current with a dropout voltage of only 300 mV. Designed for low quiescent current high voltage (50 • Low Dropout Voltage: 300 mV (Typical) V) applications, 40 μA operating and 1 μA in • Output Current: 50 mA shutdown makes the TPS798xx-Q1 an ideal choice • No Input Protection Diodes Needed for battery-powered or high-voltage systems. Quiescent current is also well-controlled in dropout. • Adjustable Output From 1.275 V to 28 V • 1- μA Quiescent Current in Shutdown Other features of the TPS798xx-Q1 include the ability to operate with low equivalent series resistance • Stable With 1- μF Output Capacitor (ESR) ceramic output capacitors. This device is • Stable With Aluminum, Tantalum, or Ceramic stable with only 1 μF on the output; most older Capacitors devices require from 10- μF to 100-μF tantalum • Reverse Input-Battery Protection capacitors for stability. Small ceramic capacitors can be used without the necessary addition of ESR, as is • Reverse Output Current Flow Protection common with other regulators. Internal protection • Thermal Limiting circuitry includes reverse input-battery protection, • Available in an 8-Pin MSOP-PowerPAD IC reverse output current protection, current limiting, and Package thermal limiting to protect the device in various fault conditions. 2 Applications This device is available in a fixed output voltage of 5 • Low-Current, High-Voltage Regulators V (TPS79850) and with an adjustable output voltage with a 1.275-V reference voltage (TPS79801). The • Regulators for Battery-Powered Systems TPS798xx-Q1 regulator is available in a 8-pin MSOP- • Telecom PowerPAD (DGN) package with an exposed pad for • Automotives enhanced thermal management capability. Device Information(1) PART PACKAGE BODY SIZE (NOM) NUMBER TPS79801-Q1 MSOP-PowerPAD (8) 3.00 mm × 3.00 mm TPS79850-Q1 (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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