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TPS81256SIP Datasheet(PDF) 4 Page - Texas Instruments |
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TPS81256SIP Datasheet(HTML) 4 Page - Texas Instruments |
4 / 23 page SIP-9 (TOP VIEW) SIP-9 (BOTTOM VIEW) A1 B1 C1 A2 B2 C2 VIN GND GND VOUT A3 C3 VOUT VOUT A3 C3 A2 B2 C2 VOUT VOUT VOUT VIN C1 GND GND A1 B1 B3 EN B3 EN TPS81256 SLVSAZ9 – JUNE 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Minimum and maximum values are at VIN = 2.5V to 5.5V, VOUT = 5.0V (or VIN, whichever is higher), EN = 1.8V, TA = –40°C to 85°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.6V, VOUT = 5.0V, EN = 1.8V, TA = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OSCILLATOR fOSC Oscillator frequency TPS81256 VIN = 3.6V, VOUT = 5.0V, IOUT = 500mA 4 MHz TIMING IOUT = 0mA TPS8125x 70 µs Time from active EN to start switching Start-up time IOUT = 0mA TPS81256 400 µs Time from active EN to VOUT PIN ASSIGNMENTS (TPS8125X) Table 1. TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. This is the enable pin of the device. Connecting this pin to ground forces the device into shutdown EN B2 I mode. Pulling this pin high enables the device. This pin must not be left floating and must be terminated. GND A1, A2, B1 Ground pin. VIN C1, C2 I Power supply input. VOUT A3, B3, C3 O Boost converter output. 4 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Link(s): TPS81256 |
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