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UC1843TD1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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UC1843TD1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 4 page UC1843-DIE www.ti.com SLUSBN6 – JULY 2013 CURRENT MODE PWM CONTROLLER Check for Samples: UC1843-DIE 1 FEATURES • Optimized For Off-line and DC-to-DC • Enhanced Load Response Characteristics Converters • Under-Voltage Lockout With Hysteresis • Low Start-Up Current • Double Pulse Suppression • Automatic Feed Forward Compensation • High Current Totem Pole Output • Pulse-by-Pulse Current Limiting • Low RO Error Amp DESCRIPTION The UC1843-DIE provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off state. ORDERING INFORMATION(1) PACKAGE PRODUCT PACKAGE ORDERABLE PART NUMBER PACKAGE QUANTITY DESIGNATOR UC1843TD1 154 UC1843 TD Bare die in waffle pack(2) UC1843TD2 10 (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. (2) Processing is per the Texas Instruments commercial production baseline and is in compliance with the Texas Instruments Quality Control System in effect at the time of manufacture. Electrical screening consists of DC parametric and functional testing at room temperature only. Unless otherwise specified by Texas Instruments AC performance and performance over temperature is not warranted. Visual Inspection is performed in accordance with MIL-STD-883 Test Method 2010 Condition B at 75X minimum. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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Mô tả tương tự - UC1843TD1 |
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