Datenblatt-Suchmaschine für elektronische Bauteile |
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UC1825A-SP Datenblatt(PDF) 4 Page - Texas Instruments |
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UC1825A-SP Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 39 page 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 INV NI EAOUT CLK/LEB RT CT RAMP SS VREF VCC OUTB VC PGND OUTA GND ILIM UC1825A-SP SLUS873B – JANUARY 2009 – REVISED OCTOBER 2015 www.ti.com 6 Pin Configuration and Functions J Package 16-Pin CDIP Top View Pin Functions PIN I/O DESCRIPTION NAME NO. CLK/LEB 4 O Output of the internal oscillator Timing capacitor connection pin for oscillator frequency programming. The timing capacitor must be CT 6 I connected to the device ground using minimal trace length. EAOUT 3 O Output of the error amplifier for compensation GND 10 — Analog ground return pin ILIM 9 I Input to the current limit comparator INV 1 I Inverting input to the error amplifier NI 2 I noninverting input to the error amplifier OUTA 11 O High current totem pole output A of the on-chip drive stage OUTB 14 O High current totem pole output B of the on-chip drive stage PGND 12 — Ground return pin for the output driver stage Noninverting input to the PWM comparator with 1.25-V internal input offset. In voltage mode operation, RAMP 7 I this serves as the input voltage feed-forward function by using the CT ramp. In peak current mode operation, this serves as the slope compensation input. RT 5 I Timing resistor connection pin for oscillator frequency programming SS 8 I Soft-start input pin that also doubles as the maximum duty cycle clamp Power supply pin for the output stage. This pin must be bypassed with a 0.1- μF monolithic ceramic low VC 13 — ESL capacitor with minimal trace lengths. Power supply pin for the device. This pin must be bypassed with a 0.1- μF monolithic ceramic low ESL VCC 15 — capacitor with minimal trace lengths 5.1-V reference. For stability, the reference must be bypassed with a 0.1- μF monolithic ceramic low ESL VREF 16 O capacitor and minimal trace length to the ground plane. 4 Submit Documentation Feedback Copyright © 2009–2015, Texas Instruments Incorporated Product Folder Links: UC1825A-SP |
Ähnliche Teilenummer - UC1825A-SP_15 |
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Ähnliche Beschreibung - UC1825A-SP_15 |
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