參數(shù)資料
型號(hào)： TDA8380A
廠商： NXP SEMICONDUCTORS
元件分類： 穩(wěn)壓器
英文描述： Control circuit for switched mode power supplies
中文描述： SWITCHING CONTROLLER, PDIP16
封裝： 0.300 INCH, PLASTIC, MO-001AE, SOT-38-1, DIP-16
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 158K
代理商： TDA8380A
November 1993
2
Philips Semiconductors
Product specification
Control circuit for switched mode power supplies
TDA8380A
GENERAL DESCRIPTION
The TDA8380A is an integrated circuit intended for use as a control circuit in low-cost switched mode power supplies for
television, monitors and small industrial equipment. The TDA8380A operates using duty factor regulation in the fixed
frequency mode.
Features
A low-current initialization circuit (maximum 150
μ
A) which can be switched off
A bandgap reference generator
Circuitry for slow-start combined with an accurate setting of the maximum duty factor (D
max
)
Programmable low supply voltage protection with one default value
High supply protection circuitry
Error amplifier with a transfer characteristic generator (TCG)
Protection against open- and short-circuited feedback loop
An overload voltage foldback
Primary current protection circuitry for both cycle-by-cycle and trip mode
Protection against transformer saturation
A direct drive output stage (sink current 2.5 A, source current 0.75 A)
Anti-double pulse logic
Protected against damage as a result of a short-circuited high-voltage transistor
RC oscillator with synchronization input
QUICK REFERENCE DATA
PACKAGE OUTLINE
16-lead DIL; plastic (SOT38); SOT38-1 ; 1996 November 18.
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply voltage
Supply current
Output pulse repetition frequency range
Operating ambient temperature range
V
CC
I
CC
f
o
T
amb
10
25
14
15
100
+
70
V
mA
kHz
°
C
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