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TPS62170 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS62170 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 33 page 8 PG SW VOS FB Exposed Thermal Pad PGND VIN EN AGND 7 6 5 2 3 1 4 TPS62170, TPS62171 TPS62172, TPS62173 SLVSAT8A – NOVEMBER 2011 – REVISED APRIL 2012 www.ti.com DEVICE INFORMATION DSG PACKAGE (TOP VIEW) Terminal Functions PIN(1) I/O DESCRIPTION NAME NO. PGND 1 Power ground VIN 2 I Supply voltage EN 3 I Enable input (High = enabled, Low = disabled) AGND 4 Analog Ground FB 5 I Voltage feedback of adjustable version. Connect resistive voltage divider to this pin. It is recommended to connect FB to AGND on fixed output voltage versions for improved thermal performance. VOS 6 I Output voltage sense pin and connection for the control loop circuitry. Switch node, which is connected to the internal MOSFET switches. Connect inductor between SW and SW 7 O output capacitor. PG 8 O Output power good (High = VOUT ready, Low = VOUT below nominal regulation) ; open drain (requires pull-up resistor; goes high impedance, when device is switched off) Exposed Must be connected to AGND. Must be soldered to achieve appropriate power dissipation and mechanical Thermal Pad reliability. (1) For more information about connecting pins, see DETAILED DESCRIPTION and APPLICATION INFORMATION sections. 4 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s): TPS62170 TPS62171 TPS62172 TPS62173 |
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