參數(shù)資料
型號: TDA16888
廠商: SIEMENS A G
元件分類: 穩(wěn)壓器
英文描述: High Performance Power Combi Controller
中文描述: POWER FACTOR CONTROLLER WITH POST REGULATOR, 200 kHz SWITCHING FREQ-MAX, PDIP20
文件頁數(shù): 25/39頁
文件大?。?/td> 507K
代理商: TDA16888
TDA 16888
Data Sheet
25
2000-02-28
PWM Section
Parameter
Symbol
Limit Values
min.
typ.
3.8
4.0
Unit Test Condition
max.
4.2
Undervoltage protection (C4),
threshold voltage
Bias control (C5),
rising voltage threshold
Bias control (C5),
falling voltage threshold
Softstart (
I
1
),
charging current
Softstart, maximum voltage
Input voltage
PWM IN – GND resistance
Ramp (OP3), voltage gain
Ramp (C10), pulse start
threshold voltage
Ramp, maximum voltage
Ramp (
V
1
), voltage offset
Ramp (
R
1
),
output impedance
Maximum duty cycle
V
PFC VS
V
V
BC,Th
0.45
V
V
BC,Th
0.4
V
I
I1
20
30
40
μ
A
V
PWM SS
V
PWM IN
R
3
A
OP3
V
RMP
6.7
100
5
0.4
7.4
150
0.5
V
V
k
V/V –
V
0.4
75
0.36
V
RMP
V
V1
Z
RMP
6.5
1.5
10
V
V
k
D
on,PWM
41
50
%
V
PWM OUT
= 2 V
1)
R
ROSC
= 51 k
C
L
= 4.7 nF
Current sense (C9),
voltage threshold
Current sense (C9),
overload turn-off delay
V
CS,Th
0.9
1.0
1.1
V
t
d,CS
30
250
ns
V
PWM CS
= 1.25 V
1)
V
PWM OUT
= 3 V
1)
C
L
= 4.7 nF
1)
Transient reference value
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