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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)： | 15/21頁 |
| 文件大小： | 199K |
| 代理商： | TDA8385 |
March 1994
16
Philips Semiconductors
Preliminary specification
Control circuit for a Self-Oscillating
Power Supply (SOPS)
TDA8385
Notes
1.
2.
V
os
= V
offset.
V
5
pulse = 1 V; V
4
= 0.5 V; V
9
= V
7
= 3 V; V
11
= 0.5 V; V
13
= 0 V; I
2
= 2 mA.
Delay setting
I
6
/I
3
I
6
V
6
V
6(sat)
t
dLH
charge current ratio
charge current initialization phase V
6
= 1 V; V
16
= 5 V
clamping level
saturation voltage
delay from pin 6 to pin 2;
V
6
crossing the 2.5 V level;
LOW-to-HIGH
V
6
= 1 V
1.1
2
2.8
1.2
50
1.3
3.2
100
1.2
mA
V
mV
μ
s
V
15
= 140 mV
C
6
= 470 pF;
V
5
= 0 V; I
2
= 2 mA;
V
15
see Fig.15;
excluding capacitive
tolerances
V
6
= 2.5 V;
I
3
= 250
μ
A
t/c
delay setting (t = C
6
×
V/I)
10
ns/pF
Stand-by
V
10H
V
10(hys)
t
dLH
threshold level HIGH
hysteresis
delay to output pin 10 to pin 2
LOW-to-HIGH
delay to output pin 10 to pin 2
HIGH-to-LOW
input current
2.4
450
2.5
500
2.6
550
1
V
mV
μ
s
t
dHL
1
μ
s
I
10
V
10
= 2.3 V
5
μ
A
Over voltage protection
V
8
t
dLH
threshold level
delay to output pin 8 to pin 2
LOW-to-HIGH
delay to output pin 8 to pin 2
HIGH-to-LOW
reset level
slow discharge current ratio
input current
2.4
2.5
2.6
1
V
μ
s
t
dHL
1
μ
s
V
7
I
7
/I
3
I
8
90
0.12
0.23
140
0.31
1
mV
V
7
= 1 V
V
8
= 3 V
μ
A
Regulation indicator output
V
1
I
1
saturation voltage
leakage current
I
1
= 1 mA
V
1
= V
16
300
1
mV
μ
A
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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