參數(shù)資料
型號: TDA8385
廠商: NXP SEMICONDUCTORS
元件分類: 模擬信號調(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): 3/21頁
文件大?。?/td> 199K
代理商: TDA8385
March 1994
4
Philips Semiconductors
Preliminary specification
Control circuit for a Self-Oscillating
Power Supply (SOPS)
TDA8385
handbook, full pagewidth
stand-by voltage input
over-voltage
protection
latch
22
24
11
MCD418
100
μ
A
slow
discharge
21
(17)
(28)
VIII
Q
R
S
FF
23
over voltage
Q
115 mV
2.5 V
OVER-VOLTAGE PROTECTION
DELAY
12
115 mV
100 mV
SAWTOOTH GENERATOR
DEM
12
15
5
6
8
Q
13
R
S
Vr
Vsb
Vsim
8
PWM
IV
14
16
demagnetization
LED CONTROL
demagnetization
(28)
18
V
9
I12
12
0.2 I
Isim
Ipeak
25
2.5 V
2 V
STAND-BY
IX
2.5 V
latch
Q (23)
17
OUTPUT
STAGE
15
LED
LED DRIVER
VI
10
TDA8385
2
LED driver output
delay setting
demagnetization
input
peak-current
setting input
current simulation
input
26
comparator
II
Vc
10
FF
Fig.2 Block diagram; part B (continued from Fig.1; part A).
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