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參數(shù)資料
| 型號(hào)： | ML4819 |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Power Factor and PWM Controller “Combo” |
| 中文描述： | 功率因數(shù)和PWM控制器“組合” |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 269K |
| 代理商： | ML4819 |
ML4819
4
REV. 1.0 10/10/2000
ELECTRICAL CHARACTERISTICS
(Continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ERROR AMPLIFIER
(continued)
Output High voltage
I
EA OUT A
= –0.5mA, V
INV A
= 4.8V
6.5
7.0
V
Output Low Voltage
I
EA OUT A
= 2mA, V
INV A
= 5.2V
0.7
1.0
V
Unity Gain Bandwidth
1.0
MHz
GAIN MODULATOR
I
SINE
Input Voltage
Output Current (GM OUT)
I
SINE
= 500
μ
A
I
SINE
= 500
μ
A, INV A = V
REF
–20mV
I
SINE
= 500
μ
A, INV A = V
REF
+ 20mV
I
SINE
= 1mA, INV A = V
REF
– 20mV
0.4
0.7
0.9
V
460
495
505
μ
A
0
10
μ
A
900
990
1005
μ
A
Bandwidth
200
kHz
PSRR
12V < V
CC
< 25V
70
dB
SLOPE COMPENSATION CIRCUIT
RAMP COMP Voltage
V
C(T)
– 1
V
I
OUT
(I
SENSE
A or I
SENSE
B)
I
RAMP COMP
= 100
μ
A (Note 3)
45
48
51
μ
A
OVP COMPARATOR
Input Offset Voltage
Output Off
–15
15
mV
Hysteresis
Output On
100
120
140
mV
μ
A
Input Bias Current
–0.3
–3
Propagation Delay
150
ns
I
SENSE
COMPARATORS
Input Common Mode Range
–0.2
5.5
V
Input Offset Voltage
I
SENSE
A
–15
15
mV
I
SENSE
B
0.4
0.7
0.9
V
μ
A
μ
A
Input Bias Current
–3
–10
Input Offset Current
–3
0
3
Propagation Delay
150
ns
I
LIMIT
(A) Trip Point
V
OVP
= 5.5V
4.8
5
5.2
V
I
LIM
COMPARATOR
I
LIMIT
Trip Point
.95
1.0
1.05
V
Input Bias Current
–2
–10
μ
A
Propagation Delay
150
ns
OUTPUT DRIVERS
Output Voltage Low
I
OUT
= –20mA
I
OUT
= –200mA
I
OUT
= 20mA
I
OUT
= 200mA
I
OUT
= –1mA, V
CC
= 8V
C
L
= 1000pF
0.1
0.4
V
1.6
2.2
V
Output Voltage High
13
13.5
V
12
13.4
V
Output Voltage Low in UVLO
0.1
0.8
V
Output Rise/Fall Time
50
ns
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