參數(shù)資料
型號(hào)： ML4812IP
廠(chǎng)商： FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： Power Factor Controller
中文描述： 1 A POWER FACTOR CONTROLLER, PDIP16
封裝： PLASTIC, DIP-16
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 348K
代理商： ML4812IP
ML4812
REV. 1.0 10/10/2000
3
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond
which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and
functional device operation is not implied.
Supply Current (I
CC
)............................................... 30mA
Output Current Source or Sink (OUT) DC................ 1.0A
Output Energy (capacitive load per cycle) ..................5
μ
J
Gain Modulator I
SINE
Input (I
SINE
) ......................... 1.2mA
Error Amp Sink Current (EA OUT).......................... 10mA
Oscillator Charge Current ........................................ 2mA
Analog Inputs (I
SENSE
, EA–, OVP)............... –0.3V to 5.5V
Junction Temperature ............................................. 150
°
C
Storage Temperature Range ..................... –65
°
C to 150
°
C
Lead Temperature (soldering 10 sec.) ..................... 260
°
C
Thermal Resistance (
θ
JA
)
20-Pin PLCC.................................................... 60
°
C/W
16-Pin PDIP .................................................... 65
°
C/W
OPERATING CONDITIONS
Temperature Range
ML4812CX ................................................ 0
°
C to 70
°
C
ML4812IX ............................................. –40
°
C to 85
°
C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
CC
= 15V , R
T
= 14k
, C
T
= 1000pF, T
A
= Operating Temperature Range (Notes 1, 2).
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OSCILLATOR
Initial Accuracy
T
J
= 25
°
C
12V < V
CC
< 18V
91
98
105
kHz
Voltage Stability
0.3
%
Temperature Stability
2
%
Total Variation
Line, temperature
90
108
kHz
Ramp Valley to Peak
3.3
V
R
T
Voltage
Discharge Current (R
T
open)
4.8
5.0
5.2
V
T
J
= 25
°
C, V
CT
= 2V
V
CT
= 2V
R
L
= 16k
R
L
= 16k
7.8
8.4
9.0
mA
7.3
8.4
9.3
mA
Clock Out Voltage Low
0.2
0.5
V
Clock Out Voltage High
3.0
3.5
V
REFERENCE
Output Voltage
T
J
= 25
°
C, I
O
= 1mA
12V < V
CC
< 25V
1mA < I
O
< 20mA
4.95
5.00
5.05
V
Line Regulation
2
20
mV
Load Regulation
2
20
mV
Temperature Stability
0.4
%
Total Variation
Line, load, temp.
4.9
5.1
V
Output Noise Voltage
10Hz to 10kHz
T
J
= 125
°
C, 1000 hours
V
REF
= 0V
50
μ
V
Long Term Stability
5
25
mV
Short Circuit Current
–30
–85
–180
mA
ERROR AMPLIFIER
Input Offset Voltage
±
15
mV
Input Bias Current
–0.1
–1.0
μ
A
Open Loop Gain
1 < V
EA OUT
< 5V
12V < V
CC
< 25V
V
EA OUT
= 1.1V, V
EA–
= 6.2V
V
EA OUT
= 5.0V, V
EA–
= 4.8V
I
EA OUT
= –0.5mA, V
EA–
= 4.8V
I
EA OUT
= 1mA, V
EA–
= 6.2V
60
75
dB
PSRR
60
75
dB
Output Sink Current
2
12
mA
Output Source Current
–0.5
–1.0
mA
Output High Voltage
5.3
5.5
V
Output Low Voltage
0.5
1.0
V
Unity Gain Bandwidth
1.0
MHz
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