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REG71050 Datasheet(PDF) 1 Page - Texas Instruments |
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REG71050 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 32 page LoadCurrent(mA) 90 80 70 60 50 40 30 1 10 100 0.1 V =V IN OUT V =2.7V IN V =4.2V IN V =3.6V IN V =3.3V IN V =3V IN V IN Enable V OUT GND REG710 C IN 2.2mF C OUT 2.2mF C PUMP 0.22mF 4 6 3 5 1 2 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design REG71050, REG71055, REG710 SBAS221H – DECEMBER 2001 – REVISED OCTOBER 2015 REG710xx Buck-Boost Charge Pump with up to 60-mA Output Current 1 Features 3 Description The REG710 family of devices are switched capacitor 1 • Wide Input Voltage Range: 1.8 V to 5.5 V voltage converters that generate regulated, low-ripple • Automatic Step-Up and Step-Down Operation output voltage from an unregulated input voltage. A • Low Input Current Ripple wide input supply voltage from 1.8 V to 5.5 V makes the REG710 family of devices ideal for a variety of • Low Output Voltage Ripple battery sources, such as single-cell Li-Ion, or 2-cell • Minimum Number of External Components—No and 3-cell nickel-based or alkaline-based chemistries. Inductors The input voltage may vary above and below the • 1-MHz Internal Oscillator Allows Small Capacitors output voltage and the output remains in regulation. • Shutdown Mode The device works as step-up or step-down converters • Thermal and Current Limit Protection without the need of an inductor, providing low EMI DC-DC conversion. The high switching frequency • Six Fixed Output Voltages Available: allows the use of small surface-mount capacitors, – 2.5 V, 2.7 V, 3 V, 3.3 V, 5 V, 5.5 V saving board space and reducing cost. The REG710 device is thermally protected and current limited, 2 Applications protecting the load and the regulator during fault conditions. Typical ground pin current (quiescent • White LED Driver current) is 65 μA with no load, and less than 1 μA in • Smart Card Readers shutdown mode. • SIM Cards • Handheld devices Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) • Modems REG710 SOT-23 (6) 2.90 mm × 1.60 mm • PCMCIA Cards SOT (6) 2.90 mm × 1.60 mm • LCD Displays REG71050 SON (6) 2.00 mm × 2.00 mm • Battery Backup Supplies REG71055 SOT-23 (6) 2.90 mm × 1.60 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. spacing Typical Operating Circuit Efficiency vs Load Current 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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