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參數資料
| 型號： | TC33369VAV |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁數： | 1/28頁 |
| 文件大小： | 341K |
| 代理商： | TC33369VAV |
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TC33369/70/1/2/3/4
TC33369/70/1/2/3/4-1
8/5/99
TelCom Semiconductor reserves the right to make changes in the circuitry and specifications of its devices
HIGH VOLTAGE POWER SWITCHING REGULATOR
FEATURES
s
Programmable State Controller
s
On-Chip 700V SENSEFET Power Switch Circuit
s
Rectified AC Line Source Operation from 85V to 265V
s
On-Chip 700V Active Off-Line Start-Up Circuit
s
Latching PWM for Double Pulse Suppression
s
Cycle-By-Cycle Current Limiting
s
Input Undervoltage Lockout with Hysteresis
s
Non-Latching Internal Thermal Shutdown
s
Enhanced Functionality Over TOP200 and
TOP221 Series
TYPICAL APPLICATIONS
s
Consumer Electronics
s
Office Automation
s
Personal Computers
s
Wireless Communications
s
Industrial Systems
GENERAL DESCRIPTION
The TC33369 through TC33374 are monolithic high
voltage power switching regulators that combine the re-
quired converter functions with a unique programmable
state controller, allowing a simple and economical power
system solution for office automation, consumer, and indus-
trial products. These devices are designed to operate in
flyback converter applications, directly from a rectified AC
line source. They are capable of providing an output power
in excess of 150W with a fixed AC input of 100V, 115V, or
230V, and in excess of 90W with a variable AC input that
ranges from 85V to 265V.
This device series features a programmable state con-
troller, an on-chip 700V SENSEFET power switch circuit,
700V active off-line startup circuit including a high voltage
JFET and low voltage MOSFET, auto restart logic, fixed
frequency duty cycle controlled oscillator, current limiting
comparator with leading edge blanking, latching pulse width
modulator for double pulse suppression, and a high gain
amplifier with a bandgap reference. Protective features
include cycle-by-cycle current limiting, input undervoltage
lockout with hysteresis, and a non-latching thermal shut-
down. These devices are available in economical straight-
lead and vertical mount 5-pin TO-220 style packages.
SENSEFET is a trademark of Motorola Inc.
TYPICAL APPLICATION
PIN CONFIGURATION
GND
Power
Switch
Pin
V
CC
Feeback
Input
State
Control
Input
12
3 4 5
TC33369
Series
5-Pin TO-220
Programmable
State Controller
Pulse Width Modulator
Controller
Power
Switch
Circuit
Snubber
Feedback
Aux
Power
Supply
Input
VCC
GND
Power
Switch Pin
+
–
DC
Output
2
1
5
State Control
Input
On/Off
4
3
AC
Input
+
Startup Circuit
See page four for Ordering Information.
相關PDF資料 |
PDF描述 |
|---|---|
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| TC4051BFN | 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TC33370VAT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TC33370VAV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TC33371VAT | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TC33371VAV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TC33372VAT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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