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參數資料
| 型號： | 5962-9558601MVA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.4 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CDIP18 |
| 封裝： | CERAMIC, DIP-18 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 766K |
| 代理商： | 5962-9558601MVA |
UC1851
UC2851
UC3851
Programmable, Off-Line, PWM Controller
FEATURES
All Control, Driving, Monitoring, and Protection
Functions Included
Low-Current Off Line Start Circuit
Voltage Feed Forward or Current Mode Control
High Current Totem Pole Output
50% Absolute Max Duty Cycle
PWM Latch for Single Pulse Per Period
Pulse-by-Pulse Current Limiting plus Shutdown
for Over-Current Fault
No Start-Up or Shutdown Transients
Slow Turn-On Both Initially and After Fault
Shutdown
Shutdown Upon Over or Under Voltage Sensing
Latch Off or Continuous Retry After Fault
1% Reference Accuracy
500kHz Operation
18 Pin DIL or 20 Pin PLCC Package
DESCRIPTION
The UC1851 family of PWM controllers are optimized for off-
line primary side control. These devices include a high current
totem pole output stage and a toggle flip-flop for absolute 50%
duty cycle limiting. In all other respects this line of controllers is
pin for pin compatible with the UC1841 series. Inclusion of all
major housekeeping functions in these high performance con-
trollers makes them ideal for use in cost sensitive applications.
Important features of these controllers include low current
start-up, linear feed-forward for constant volt-second operation,
and compatibility with both voltage or current mode control. In
addition, these devices include a programmable start thresh-
old, as well as programmable over-voltage, under-voltage, and
over current fault thresholds. The fault latch on these devices
can be configured for automatic restart, or latched off response
to a fault.
These devices are packaged in 18-pin plastic or ceramic dual-
in-line packages, or for surface mount applications, a 20 Pin
PLCC. The UC1851 is characterized for -55
°C to +125°C op-
eration while the UC2851 and UC3851 are designed for -40
°C
to +85
°C and 0°C to +70°C, respectively.
BLOCK DIAGRAM
10/94
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| 5962-9560401QXA | 2 CHANNEL, VIDEO AMPLIFIER, CDSO16 |
| 5962-9560401QPX | 2 CHANNEL, VIDEO AMPLIFIER, CDIP8 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 5962-9558601QVA | 制造商:Texas Instruments 功能描述:UC1851J883B - Rail/Tube |
| 5962-9558701MXC | 功能描述:CPLD - 復雜可編程邏輯器件 ISPLSI 1048C50LG/883 SMD Version RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| 5962-9559001QXA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 5962-9559201MEA | 制造商:Analog Devices 功能描述:ADC Single SAR 100ksps 16-bit Serial 16-Pin SBCDIP 制造商:Analog Devices 功能描述:ADC SGL SAR 100KSPS 16BIT SERL 16PIN SBCDIP - Rail/Tube 制造商:Analog Devices Inc. 功能描述:Analog to Digital Converters - ADC IC 16-BIT SAMPLING ADC 制造商:Analog Devices 功能描述:CONVERTER - ADC |
| 5962-9559501HNC | 制造商:Microsemi Corporation 功能描述:128K X 32 SRAM MODULE, 5V, 120NS, 68 CQFP 0.88" SQ., 0.140" - Bulk 制造商:White Electronic Designs 功能描述:128K X 32 SRAM MODULE, 5V, 120NS, 68 CQFP 0.88" SQ., 0.140" - Bulk |
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