參數(shù)資料
型號(hào): TDA8385
廠商: NXP SEMICONDUCTORS
元件分類: 模擬信號(hào)調(diào)理
英文描述: Control circuit for a Self-Oscillating Power Supply SOPS
中文描述: SPECIALTY ANALOG CIRCUIT, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 2/21頁
文件大?。?/td> 199K
代理商: TDA8385
March 1994
3
Philips Semiconductors
Preliminary specification
Control circuit for a Self-Oscillating
Power Supply (SOPS)
TDA8385
BLOCK DIAGRAMS
handbook, full pagewidth
MCD417
29
Vts
DIFFERENTIAL AMPLIFIER
CONTROL PART
REGULATION
INDICATOR
(2.5 V)
27
reset (28)
quick
discharge
CLAMP
50
μ
A
50
A
charge
19
2.5 V
TCG
4
3
VTCG
Vdiff
Vss+
MINIMUM
VOLTAGE
CLAMP
6
X
III
VII
fo
V
Vmv
fb
V
13
1
RIO
11Vdiff
9
4
7
Vss
7
16
14
3
REFERENCE
BLOCK
STABILIZED
SUPPLY
DETECTOR
VP (min)
28
1
2
SUPPLY REFERENCES
(28, 27, 23)
reset
latch
Iref
Iref
Vstab
Vref
Vref
I
current reference
setting
feed forward
input
regulation indicator
output
differential amplifier
output
slow start voltage
input
feedback voltage
input
transistor-on
setting input
VP
GND
SLOW START
Vts
5
Ton(min)
Ton (min)
Fig.1 Block diagram; part A (continued in Fig.2; part B).
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