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TPS7B6333-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS7B6333-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page 1 IN 16 OUT 2 EN 15 PGADJ 3 FSEL 14 PG 4 WTS 13 GND 5 GND 12 WRS 6 NC 11 WD_EN 7 ROSC 10 WDO 8 DELAY 9 WD Not to scale Thermal pad 3 TPS7B6333-Q1, TPS7B6350-Q1 www.ti.com SLVSDU9A – FEBRUARY 2017 – REVISED MARCH 2017 Product Folder Links: TPS7B6333-Q1 TPS7B6350-Q1 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 5 Pin Configuration and Functions PWP PowerPAD™ Package 16-Pin HTSSOP With Exposed Thermal Pad Top View NC - No internal connection Pin Functions PIN I/O DESCRIPTION NAME NO. DELAY 8 O Power-good delay-period adjustment pin. Connect this pin via a capacitor to ground to adjust the power-good delay time. EN 2 I Device enable pin. Pull this pin down to low-level voltage to disable the device. Pull this pin up to high-level voltage to enable the device. FSEL 3 I Internal oscillator-frequency selection pin. Pull this pin down to low-level voltage to select the high-frequency oscillator. Pull this pin up to high-level voltage to select the low-frequency oscillator. GND 5, 13 — Ground reference IN 1 I Device input power supply pin NC 6 — Not connected OUT 16 O Device 3.3-V or 5-V regulated output-voltage pin PG 14 O Power-good pin. Open-drain output pin. Pull this pin up to VOUT or to a reference through a resistor. When the output voltage is not ready, this pin is pulled down to ground. PGADJ 15 O Power-good threshold-adjustment pin. Connect a resistor divider between the PGADJ and OUT pins to set the power-good threshold. Connect this pin to ground to set the threshold to 91.6% of output voltage VOUT. ROSC 7 O Watchdog timer adjustment pin. Connect a resistor between the ROSC pin and the GND pin to set the duration of the watchdog monitor. Leaving this pin open or connecting this pin to ground results in the watchdog reporting a fault at the watchdog output (WDO). WD 9 I Watchdog service-signal input pin. WDO 10 O Watchdog status pin. Open-drain output pin. Pull this pin up to OUT or a reference voltage through a resistor. When watchdog fault occurs, this pin is pulled down to a low-level voltage. WD_EN 11 I Watchdog enable pin. Pull this pin down to a low level to enable the watchdog. Pull this pin up to a high level to disable the watchdog. WRS 12 I Window ratio-selection pin (only applicable for the window watchdog). Pull this pin down to a low level to set the open:closed window ratio to 1:1. Pull this pin up to high level to set the open:closed window ratio to 8:1. WTS 4 O Watchdog type-selection pin. To set the window watchdog, connect this pin to the GND pin. To set the standard watchdog, pull this pin high. Thermal pad — — Solder to board to improve the thermal performance. |
Similar Part No. - TPS7B6333-Q1_17 |
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Similar Description - TPS7B6333-Q1_17 |
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