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參數(shù)資料
| 型號(hào)： | L4981BD |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | IC-POWER FACTOR CORRECTOR |
| 中文描述： | 集成電路功率因數(shù)校正 |
| 文件頁(yè)數(shù)： | 5/17頁(yè) |
| 文件大小： | 228K |
| 代理商： | L4981BD |
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ELECTRICALCHARACTERISTICS
(continued)
Symbol
SUPPLY VOLTAGE
V
CC
OVER VOLTAGE PROTECTION COMPARATOR
V
thr
Rising Threshold Voltage
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Operating Supply Voltage
19.5
V
V
ref
-20mV
180
5.1
V
ref
+20mV
320
1
2
V
V
3Hys
I
3
t
d
Hysteresis
Input Bias Current
Propagation delay to output
250
0.05
1
mV
μ
A
μ
s
V
OVP
= V
thr
+100mV
OVER CURRENT PROTECTIONCOMPARATOR
V
th
Threshold Voltage
t
d
Propagation delay to Output
I
ipk
Current Source Generator
I
L
Leakage Current
CURRENT AMPLIFIER SECTION
V
offset
Input Offset Voltage
I
9bias
Input Bias Current
Open Loop Gain
SVR
Supply Voltage Rejection
±
30
0.9
105
5
mV
μ
s
μ
A
μ
A
V
OCP
= V
thr
-0.2V
V
IPK
= -0.1V
V
IPK
= -0.1V
0.4
85
onlyfor L4981A
onlyfor L4981B
65
V
MULT OUT
= V
SENSE
= 3.5V
V
SENSE
= 0V
1.1V
≤
V
CA OUT
≤
6V
12V
≤
V
CC
≤
19V
V
MULT OUT
= 3.5V V
SENSE
= 3.5V
V
MULT OUT
= 200mV
I
CA OUT
= -0.5mA, V
IAC
= 0V
V
MULT OUT
= -200mV
I
CA OUT
= 0.5mA, V
IAC
= 0V
V
MULT OUT
= 200mV,
V
IAC
= 0V, V
CA-OUT
= 3.5V
±
2
500
mV
nA
dB
dB
-500
70
68
50
100
90
V
5H
Output High Voltage
6.2
V
V
5L
Output Low Voltage
0.9
V
-I
5
I
5
Output Source Current
Output Sink Current
2
2
10
10
mA
mA
OUTPUT SECTION
V
20L
V
20H
Output Voltage Low
Output Voltage High
I
SINK
= 250mA
I
SOURCE
= 250mA
V
CC
= 15V
C
OUT
= 1nF
C
OUT
= 1nF
I
SOURCE
= 0mA
0.5
12.5
0.8
V
V
11.5
t
r
t
f
Output Voltage Rise Time
Output Voltage Fall Time
Voltage Clamp
50
30
16
150
100
19
ns
ns
V
V
GDRV
TOTAL STANDBY CURRENT SECTION
I
19start
Supply Current before start up
I
19on
Supply Current after turn on
13
V
CC
= 14V
V
IAC
= 0V, V
COSC
= 0,
Pin17= Open
Pin20 = 1nF
(*)
0.3
8
0.5
12
mA
mA
I
19
V
CC
Operating Supply Current
Zener Voltage
12
25
16
30
mA
V
20
UNDER VOLTAGE LOCKOUT SECTION
V
th ON
Turn on Threshold
V
th OFF
Turn off Threshold
Programmable Turn-on Threshold
14.5
9
10.6
15.5
10
12
16.5
11
13.4
V
V
V
Pin 15 to V
CC
= 220K
Pin15 to GND = 33K
LOAD FEED FORWARD
I
LFF
Bias Current
V
6
= 1.6V
V
6
= 5.3V
70
200
140
300
5.3
μ
A
μ
A
V
V
I
Input Voltage Range
1.6
(*) Maximum package power dissipation limits must be observed.
L4981A - L4981B
5/17
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L4981 | POWER FACTOR CORRECTOR |
| L4981A | POWER FACTOR CORRECTOR |
| L4981B | POWER FACTOR CORRECTOR |
| L4981X | POWER FACTOR CORRECTOR |
| L4981XD | POWER FACTOR CORRECTOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L4981BD | 制造商:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR SMD 4981 |
| L4981BD013TR | 功能描述:功率因數(shù)校正 IC Very High Power RoHS:否 制造商:Fairchild Semiconductor 開(kāi)關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| L4981DIE1 | 制造商:STMicroelectronics 功能描述: |
| L4981X | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR |
| L4981XD | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:POWER FACTOR CORRECTOR |
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