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TPS62150A-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS62150A-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 35 page 3 Exposed Thermal Pad 9 10 11 12 8 7 6 5 4 2 1 16 15 14 13 PVIN PVIN AVIN SS/TR SW SW SW PG TPS62150A-Q1, TPS62153A-Q1 www.ti.com SLVSCC3 – MAY 2014 6 Device Comparison Table PART NUMBER OUTPUT VOLTAGE TJ PACKAGE MARKING TPS62150AQ adjustable -40°C to 125°C PA8IQ TPS62153AQ 5V -40°C to 125°C PA8JQ 7 Pin Configuration and Functions VQFN Package 16-Pin Top View Pin Functions PIN(1) I/O DESCRIPTION NAME NO. SW 1,2,3 O Switch node, which is connected to the internal MOSFET switches. Connect inductor between SW and output capacitor. PG 4 O Output power good (High = VOUT ready, Low = VOUT below nominal regulation) ; open drain (requires pull-up resistor) FB 5 I Voltage feedback pin. Connect resistive voltage divider to this pin. AGND 6 Analog Ground. Must be connected directly to the Exposed Thermal Pad and common ground plane. LOG 7 I This pin is used for internal logic and must be connected to GND. DEF 8 I Output Voltage Scaling (Low = nominal, High = nominal + 5%)(2) Soft-Start / Tracking Pin. An external capacitor connected to this pin sets the internal voltage reference rise SS/TR 9 I time. It can be used for tracking and sequencing. AVIN 10 I Supply voltage for control circuitry. Connect to same source as PVIN. PVIN 11,12 I Supply voltage for power stage. Connect to same source as AVIN. EN 13 I Enable input (High = enabled, Low = disabled)(2) VOS 14 I Output voltage sense pin and connection for the control loop circuitry. PGND 15,16 Power Ground. Must be connected directly to the Exposed Thermal Pad and common ground plane. Exposed Must be connected to AGND (pin 6), PGND (pin 15,16) and common ground plane(3). Must be soldered to Thermal Pad achieve appropriate power dissipation and mechanical reliability. (1) For more information about connecting pins, see Detailed Description and Application and Implementation sections. (2) An internal pull-down resistor keeps logic level low, if pin is floating. (3) See Figure 37. Copyright © 2014, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: TPS62150A-Q1 TPS62153A-Q1 |
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