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参数资料
| 型号： | TDA16822 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 稳压器 |
| 英文描述： | 2.5 A SWITCHING REGULATOR, 107 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封装： | PLASTIC, DIP-8 |
| 文件页数： | 8/14页 |
| 文件大小： | 234K |
| 代理商： | TDA16822 |
P-DIP-8-6
Version 2.0
3
11 April 2000
Off-Line SMPS Current Mode Controller
with CoolMOS on board
Type
Ordering Code
Package
TDA 16822
Q67000-A9449
P-DIP-8-6
TDA 16822
CoolSET
Features
PWM controller + CoolMOS within one
compact package
650V
(1) avalanche rugged CoolMOS
Typical RDSon= 3 Ohm
Standard DIP-8 package up to 20W
Only few external components required
Low start up current
Improved current mode control for low load
conditions
Input Undervoltage Lockout
Max duty cycle 72%
latched thermal shut down when
T
j=140°C of PWM controller
Overload and open loop protection by
hiccup mode
Overvoltage protection during
hiccup mode
Overall tolerance of current limiting
< ±5%
adjustable peak current limitation via
external resistor
current overshoot minimization
dependent on dI/dt
Description
The TDA 16822 is a current mode pulse width
modulator with built in CoolMOS transistor. It fulfils
the requirement of minimum external control circuitry for
a flyback application.
Current mode control means that the current through
the CoolMOS transistor is compared with a reference
signal derived from the output voltage of the flyback
application. The result of that comparision determines
the on-time of the CoolMOS transistor. The accuracy
of the switching frequency is highly sophisticated due to
temperature compensation. Furthermore overload and
open loop protection is implemented by sensing the
feedback line. This means in case of overload or open
loop the IC is working in protection mode.
C
Soft Start
C
VCC
R
Start-up
VCC
R
Sense
Isense
GND
-
Converter
DC Output
+
TDA 16822
Snubber
Power
Management
Protection Unit
Soft-Start Control
PWM Controller
Current Mode
FB
85 ... 270 VAC
Drain
Feedback
Typical Application
SoftS
CoolMOSTM
PWM-Controller
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA16822XK | 制造商:Infineon Technologies AG 功能描述:IC OFFLINE CTRLR SMPS CM 8DIP |
| TDA16831 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Off-line SMPS Controller with 600 V Sense CoolMOS on Board |
| TDA16831-4 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Off-line SMPS Controller with 600 V Sense CoolMOS on Board |
| TDA16831G | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Off-line SMPS Controller with 600 V Sense CoolMOS on Board |
| TDA16832 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Off-line SMPS Controller with 600 V Sense CoolMOS on Board |
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