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TPS78628DCQR Datasheet(PDF) 4 Page - Texas Instruments |
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TPS78628DCQR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 17 page www.ti.com _ + Thermal Shutdown Bandgap Reference 1.225 V VIN Current Sense R2 GND EN SHUTDOWN VREF UVLO ILIM External to the Device FB R1 UVLO 250 k Ω Quickstart IN OUT _ + Thermal Shutdown VIN Current Sense R1 R2 GND EN SHUTDOWN VREF UVLO ILIM Bandgap Reference 1.225 V UVLO 250 k Ω NR Quickstart R2 = 40k IN OUT TPS78601, TPS78618 TPS78625, TPS78628 TPS78630, TPS78633 SLVS389D – SEPTEMBER 2002 – REVISED OCTOBER 2004 FUNCTIONAL BLOCK DIAGRAM—ADJUSTABLE VERSION FUNCTIONAL BLOCK DIAGRAM—FIXED VERSION Terminal Functions TERMINAL DESCRIPTION NAME ADJ FIXED NR NA 5 An external bypass capacitor, connected to this terminal, in conjunction with an internal resistor, creates a low-pass filter to further reduce regulator noise. EN 1 1 The EN terminal is an input which enables or shuts down the device. When EN goes to a logic high, the device will be enabled. When the device goes to a logic low, the device is in shutdown mode. FB 5 N/A This terminal is the feedback input voltage for the adjustable device. GND 3, Tab 3, Tab Regulator ground IN 2 2 Unregulated input to the device. OUT 4 4 Output of the regulator. 4 |
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