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TPS62111-EP Datasheet(PDF) 6 Page - Texas Instruments |
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TPS62111-EP Datasheet(HTML) 6 Page - Texas Instruments |
6 / 25 page DEVICE INFORMATION PIN ASSIGNMENT TOP VIEW 16 15 14 13 5 6 7 8 1 2 3 4 9 GND GND FB AGND PGND Exposed Thermal Pad VIN VIN EN 12 11 10 TPS62110-EP TPS62111-EP TPS62112-EP SLVS630C – APRIL 2007 – REVISED MAY 2008 .............................................................................................................................................................. www.ti.com TERMINAL FUNCTIONS TERMINAL I/O DESCRIPTION NAME NO. Enable. A logic high enables the converter; logic low forces the device into shutdown mode reducing the EN 4 I supply current to less than 2 µA. Feedback pin for the fixed output voltage option. For the adjustable version, an external resistive divider FB 10 I is connected to this pin. The internal voltage divider is disabled for the adjustable version. LBO 6 O Open-drain, low-battery output. This pin is pulled low if LBI is below its threshold. GND 11, 12 I Ground LBI 7 I Low-battery input Connect the inductor to this pin. This pin is the switch pin and connected to the drain of the internal SW 14, 15 O power MOSFETS. Power good comparator output. This is an open-drain output. A pullup resistor should be connected PG 13 O between PG and VOUT. The output goes active high when the output voltage is greater than 98.4% of the nominal value. PGND 1, 16 I Power ground. Connect all power grounds to this pin. AGND 9 I Analog ground, connect to GND and PGND Input for synchronization to external clock signal. Synchronizes the converter switching frequency to an external clock signal with CMOS level: SYNC 5 I SYNC = HIGH: Low-noise mode enabled, fixed frequency PWM operation is forced SYNC = LOW (GND): Power save mode enabled, PFM/PWM mode enabled VIN 2, 3 I Supply voltage input (power stage) VINA 8 I Supply voltage input (support circuits) PowerPAD™ Connect to AGND 6 Submit Documentation Feedback Copyright © 2007–2008, Texas Instruments Incorporated Product Folder Link(s): TPS62110-EP TPS62111-EP TPS62112-EP |
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