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TPS76428DBVRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS76428DBVRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page TPS76425, TPS76427, TPS76428, TPS76430, TPS76433 LOW-POWER LOW-NOISE 150-mA LOW-DROPOUT LINEAR REGULATORS SLVS180B – MARCH 1999 – REVISED MAY 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 150-mA Low Noise, Low-Dropout Regulator D Output Voltage: 2.5 V, 2.7 V, 2.8 V, 3.0 V, 3.3 V D Output Noise Typically 50 µV D Quiescent Current Typically 85 µA D Dropout Voltage, Typically 300 mV at 150 mA D Thermal Protection D Over Current Limitation D Less Than 2-µA Quiescent Current in Shutdown Mode D –40°C to 125°C Operating Junction Temperature Range D 5-Pin SOT-23 (DBV) Package description The TPS764xx family of low-dropout (LDO) voltage regulators offers the benefits of a low noise, low-dropout voltage, low-power operation, and miniaturized package. Additionally, they feature low quiescent current when compared to conventional LDO regulators. Offered in 5-terminal small outline integrated-circuit SOT-23 package, the TPS764xx series devices are ideal for low-noise applications, cost-sensitive designs and applications where board space is at a premium. A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low—typically 300 mV at 150 mA of load current (TPS76433)—and is directly proportional to the load current. Since the PMOS pass element is a voltage-driven device, the quiescent current is very low (140 µA maximum) and is stable over the entire range of output load current (0 mA to 150 mA). Intended for use in portable systems such as laptops and cellular phones, the low-dropout voltage feature and low-power operation result in a significant increase in system battery operating life. The TPS764xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 µA maximum at TJ = 25°C.The TPS764xx is offered in 2.5-V, 2.7-V, 2.8-V, 3.0-V, and 3.3-V fixed-voltages. AVAILABLE OPTIONS TJ VOLTAGE PACKAGE PART NUMBER SYMBOL 2.5 V TPS76425DBVT† TPS76425DBVR‡ PBJI 2.7 V SOT 23 TPS76427DBVT† TPS76427DBVR‡ PBKI –40 °C to 125°C 2.8 V SOT-23 (DBV) TPS76428DBVT† TPS76428DBVR‡ PCEI 3.0 V (DBV) TPS76430DBVT† TPS76430DBVR‡ PBLI 3.3 V TPS76433DBVT† TPS76433DBVR‡ PBMI † The DBVT passive indicates tape and reel of 250 parts. ‡ The DBVR passive indicates tape and reel of 3000 parts. Copyright 2001, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 3 2 4 5 DBV PACKAGE (TOP VIEW) 1 IN GND EN OUT BYPASS |
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