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參數(shù)資料
型號(hào): 5962-8768102V2A
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2.2 A SWITCHING CONTROLLER, 1180 kHz SWITCHING FREQ-MAX, CQCC20
封裝: CERAMIC, LCC-20
文件頁(yè)數(shù): 1/15頁(yè)
文件大小: 503K
代理商: 5962-8768102V2A
1
FEATURES
DESCRIPTION
www.ti.com ..................................................................................................................................................... SLUS873A – JANUARY 2009 – REVISED APRIL 2009
RAD-TOLERANT CLASS-V, HIGH-SPEED PWM CONTROLLER
QML-V Qualified, SMD 5962-87681
The UC1825A PWM controller is an improved version
of
the
standard
UC1825
family.
Performance
Rad-Tolerant: 30 kRad (Si) TID (1)
enhancements have been made to several of the
Compatible With Voltage-Mode or
circuit blocks. Error amplifier gain bandwidth product
Current-Mode Control Methods
is 12 MHz, while input offset voltage is 2 mV. Current
Practical Operation at Switching Frequencies
limit threshold is assured to a tolerance of 5%.
to 1 MHz
Oscillator discharge current is specified at 10 mA for
accurate dead time control. Frequency accuracy is
50-ns Propagation Delay to Output
improved to 6%. Startup supply current, typically 100
High-Current Dual Totem Pole Outputs
A, is ideal for off-line applications. The output drivers
(2-A Peak)
are redesigned to actively sink current during UVLO
Trimmed Oscillator Discharge Current
at no expense to the startup current specification. In
addition each output is capable of 2-A peak currents
Low 100-A Startup Current
during transitions.
Pulse-by-Pulse Current Limiting Comparator
xxx
Latched Overcurrent Comparator With Full
Cycle Restart
xxx
(1)
Radiation tolerance is a typical value based upon initial device
qualification with dose rate = 10 mrad/sec. Radiation Lot
Acceptance Testing is available - contact factory for details.
BLOCK DIAGRAM
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 2009, 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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5962-8768104V2A 功能描述:電流型 PWM 控制器 High Spd PWM Controller RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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