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參數資料
| 型號： | 5962-8995701VSA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING CONTROLLER, CDSO20 |
| 封裝： | CERAMIC, CFP-20 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 356K |
| 代理商： | 5962-8995701VSA |
WPACKAGE
(TOP VIEW)
www.ti.com
SLUS950 – FEBRUARY 2010
RAD-TOLERANT CLASS-V, SWITCHED MODE CONTROLLER
FOR DC MOTOR DRIVE
Check for Samples: UC1637-SP
1
FEATURES
Flexibility
QML-V Qualified, SMD 5962-89957
Dual 100-mA Source/Sink Output Drivers
Rad Tolerant: 30 kRad(Si) TID (1)
–
TID Dose Rate = 10 mRad/sec
Single or Dual Supply Operation
±2.5-V to ±20-V Input Supply Range
±5% Initial Oscillator Accuracy; ±10% Over
Temperature
Pulse-by-Pulse Current Limiting
Under-Voltage Lockout
Shutdown Input with Temperature
Compensated 2.5-V Threshold
Uncommitted PWM Comparators for Design
(1)
Radiation tolerance is a typical value based upon initial device
qualification. Radiation Lot Acceptance Testing is available -
contact factory for details.
DESCRIPTION
The UC1637 is a pulse width modulator circuit intended to be used for a variety of PWM motor drive and
amplifier applications requiring either uni-directional or bi-directional drive circuits. When used to replace
conventional drivers, this circuit can increase efficiency and reduce component costs for many applications. All
necessary circuitry is included to generate an analog error signal and modulate two bi-directional pulse train
outputs in proportion to the error signal magnitude and polarity.
This monolithic device contains a sawtooth oscillator, error amplifier, and two PWM comparators with ±100-mA
output stages as standard features. Protection circuitry includes under-voltage lockout, pulse-by-pulse current
limiting, and a shutdown port with a 2.5-V temperature compensated threshold.
The UC1637 is characterized for operation over the full space temperature range of –55°C to 125°C.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE PART NUMBER
TOP-SIDE MARKING
–55°C to 125°C
CFP-20
5962-8995701VSA
UC1637W-SP
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 2010, 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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