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TPS60140PWPRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS60140PWPRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 25 page 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND GND ENABLE FB OUT C1+ IN C1− PGND PGND GND GND NC PG NC C2+ IN C2− PGND PGND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND GND ENABLE FB OUT C1+ IN C1− PGND PGND GND GND LBI LBO NC C2+ IN C2− PGND PGND TPS60140, TPS60141 SLVS273A – FEBRUARY 2000 – REVISED NOVEMBER 2015 www.ti.com 6 Device Comparison Table PART NUMBER PACKAGE PACKAGE DESIGNATOR DEVICE FEATURES TPS60140 Low-battery detector 20-pin thermally enhanced HTSSOP PWP 2-cell to 5 V, 100 mA TPS60141 Power-good detector 7 Pin Configuration and Functions PWP Package (TPS60140) PWP Package (TPS60141) 20 Pin-HTSSOP 20 Pin-HTSSOP Top View Top View Pin Functions PIN I/O DESCRIPTION NAME NO. C1+ 6 — Positive terminal of the flying capacitor C1 C1 − 8 — Negative terminal of the flying capacitor C1 C2+ 15 — Positive terminal of the flying capacitor C2 C2 − 13 — Negative terminal of the flying capacitor C2 ENABLE input. Connect ENABLE to IN for normal operation. When ENABLE is a logic low, the device turns off and the ENABLE 3 I supply current decreases to 0.05 µA. The output is disconnected from the input when the device is placed in shutdown. Feedback input. Connect FB to OUT as close to the load as possible to achieve best regulation. A resistive divider is on the FB 4 I chip to match the output voltage to the internal reference voltage of 1.21 V. 1, 2, 19, GND — Ground. Analog ground for internal reference and control circuitry. Connect to PGND through a short trace. 20 IN 7,14 I Supply input. Bypass IN to PGND with capacitor CIN. Connect both IN terminals through a short trace. Low battery detector output (TPS60140) or power good output (TPS60141). Open-drain output of the low-battery indicator or LBO/PG 17 O power-good comparator. It can sink 1 mA. TI recommends a 100-k Ω to 1-MΩ pullup. Leave the terminal unconnected if the low-battery or power-good detector function is not used. Low battery detector input (TPS60140 only). The voltage applied to this terminal is compared to the internal 1.21-V reference LBI/NC 18 I voltage. Connect the terminal to ground if the low-battery comparator is not used. On the TPS60141, this terminal is not connected to the chip and should remain unconnected. NC 16 — Not connected OUT 5 O Regulated 5-V power output. Bypass OUT to PGND with the output filter capacitor COUT. PGND 9 −12 — Power ground. The charge-pump current flows through this terminal. Connect all PGND terminals together. 4 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: TPS60140 TPS60141 |
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