參數(shù)資料
型號: 5962-9065001PA
廠商: TEXAS INSTRUMENTS INC
元件分類: 模擬信號調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, CDIP8
封裝: 0.300 INCH, MINI, DIP-8
文件頁數(shù): 36/42頁
文件大小: 870K
代理商: 5962-9065001PA
UC1836, High Efficiency Regulator Controller
DEVICE STATUS: ACTIVE
PARAMETER NAME
UC1836
Iq (typ) (mA)
3.75
Vin (max) (V)
40
Tolerance (%)
2
Shutdown
Yes
VO (min) (V)
2.5
Idrive (max) (mA)
250
Type of Short Circuit Limit Foldback Foldback Foldback
FEATURES
Complete Control for a High Current, Low Dropout, Linear Regulator
q
Fixed 5V or Adjustable Output Voltage
q
Accurate 2.5A Current Limiting with Foldback
q
Internal Current Sense Resistor
q
Remote Sense for Improved Load Regulation
q
External Shutdown
q
Under-Voltage Lockout and Reverse Voltage Protection
q
Thermal Shutdown Protection
q
8 Pin Mini-Dip Package (Surface Mount also Available)
q
DESCRIPTION
The UC1835/6 families of linear controllers are optimized for the design of low cost, low dropout, linear regulators. Using an
external pass element, dropout voltages of less than 0.5V are readily obtained. These devices contain a high gain error
amplifier, a 250mA output driver, and a precision reference. In addition, current sense with fold-back provides for a 2.5A
peak output current dropping to less than 0.5A at short circuit.
These devices are available in fixed, 5V, (UC1835), or adjustable, (UC1836), versions. In the fixed 5 volt version, the only
external parts required are an external pass element, an output capacitor, and a compensation capacitor. On the adjustable
version the output voltage can be set anywhere from 2.5V to 35V with two external resistors.
Additional features of these devices include under-voltage lockout for predictable start-up, thermal shutdown and short
circuit current limiting to protect the driver device. On the fixed voltage version, a reverse voltage comparator minimizes
reverse load current in the event of a negative input to output differential.
TECHNICAL DOCUMENTS
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DATASHEET
Full datasheet in Acrobat PDF: slus383.pdf (479 KB) (Updated: 09/05/1999)
APPLICATION NOTES
DN-32 Optocoupler Feedback Drive Techniques (SLUA167 - Updated: 09/05/1999)
q
q
Supply Voltage Drop On Fast Current Demand (SLVA076 - Updated: 09/03/1999)
q
PRICING/AVAILABILITY
Product Folder:UC1836, High Efficiency Regulator Controller
file:///J|/imaging/BITTING/mail_pdf/cpl_images/uc1836.html (1 of 2) [8/6/2001 9:59:28 AM]
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All Semiconductors
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