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MCP16413 Datasheet(PDF) 1 Page - Microchip Technology |
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MCP16413 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 44 page  MCP1641X 2020-2021 Microchip Technology Inc. and its subsidiaries DS20006394D-page 1 Features • Input Voltage Range: 0.8V (after Start-up) to 5.25V • Low Device Quiescent Current: 5 µA (typical), PFM Mode (not switching) • Up to 96% Efficiency • 1A Typical Inductor Peak Current Limit: -IOUT > 170 mA at 2V VOUT, 1.2V VIN -IOUT > 200 mA at 3.3V VOUT, 1.5V VIN -IOUT > 600 mA at 5.0V VOUT, 3.6V VIN • Adjustable Output Voltage Range • Automatic Input-to-Output Bypass Operation • Selectable Switching Mode: - PWM operation: 500 kHz (MCP16412/4/6/8) - Automatic PFM/PWM operation (MCP16411/3/5/7) • Programmable Undervoltage Lockout (UVLO) • Programmable Low Battery Output (LBO) • Selectable Status Indicator: - Power Good and Die Overtemperature output (MCP16411/2/3/4) - Power Good output (MCP16415/6/7/8) • Internal Synchronous Rectifier • Internal Compensation • Inrush Current Limiting and Internal Soft Start • Low Noise, Anti-Ringing Control • Thermal Shutdown • Selectable Shutdown States: - Output discharge option (MCP16411/2/5/6) - Input-to-output bypass option (MCP16413/4/7/8) • Shutdown Current: 2.3 µA (typical) • Available Packages: - 10-Lead MSOP - 10-Lead 3 mm x 3 mm TDFN Applications • Personal and Health Care Products • Single-Cell or Two-Cell Powered IoT Devices •Bluetooth® Headsets • Remote Controllers, Portable Instruments • Wireless Sensors, Data Loggers Description The MCP1641X Step-up DC-DC Converters family provides an automatic input-to-output voltage bypass operation, which helps optimize battery utilization and achieve high efficiency, while the nominal voltage of fresh batteries remains in the same range with the con- verter’s output value. The MCP1641X can be powered by either single-cell, two-cell alkaline/NiMH batteries or single-cell Li-Ion/Li-Polymer batteries. A low-voltage designed architecture allows the regulator to start up without high inrush current or output voltage overshoot from a low input voltage. The start-up voltage is easily programmed by a resistive divider connected to the UVLO pin. If the resistive divider is not used, the default start-up voltage is 0.85V. The 0.8V built-in UVLOSTOP helps prevent deep dis- charge of the alkaline battery, which can cause battery leakage. An open-drain Low Battery Output (LBO) pin warns the user to replace the battery if the input voltage ramps down to the programmed UVLOSTART value. The MCP1641X family introduces an additional safety feature to a low-voltage boost converter: Over- temperature Output. Devices, such as personal care products, Bluetooth headsets or toys, will benefit from the combined Power Good and Die Overtemperature (PGT) output, which flags a warning signal when the out- put voltage level drops within 10% or the die temperature exceeds the +75°C (typical).(1) Both functions are implemented in the MCP16411/2/3/4 devices (on the same pin, PGT), while the MCP16415/6/7/8 devices have only the Power Good option. Package Types Note 1: Factory programmable from +55 C to +85 C, at +10C increments, by customer request. *Includes Exposed Thermal Pad (EP), see Table 4-1. **See Table 3-1 for device options – PGT or PG pin. MCP1641X 3x3 TDFN* 1 2 3 4 10 9 8 7 EP 11 8 1 2 3 10 VIN PGND LBO VFB PGT** 9 SGND MCP1641X 10-Lead MSOP 7 4 SW VOUT 5 6 5 6 EN UVLO LBO VFB VOUT UVLO VIN PGND SGND SW EN PGT** Low IQ Boost Converter with Programmable Low Battery, UVLO and Automatic Input-to-Output Bypass Operation |
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