PRODUCT SPECIFICATION
ML4800
REV. 1.0.5 9/25/01
5
Notes
1. Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
2. Includes all bias currents to other circuits connected to the V
FB
pin.
3. Gain = K x 5.3V; K = (I
GAINMOD
- I
OFFSET
) x [I
AC
(VEAO - 0.625)]
-1
; VEAO
MAX
=5V.
PFC Dead Time
350
650 ns
C
T
Discharge Current
V
RAMP 2
= 0V, V
RAMP 1
= 2.5V
3.5
5.5 7.5 mA
Reference
Output Voltage
T
A
= 25癈, I(V
REF
) = 1mA
7.4
7.5 7.6
V
Line Regulation
11V
CC
<16.5V
10
25 mV
Load Regulation
0mA
REF
) < 10mA;
T
A
= 0癈 to 70癈
10
20 mV
0mA < I(V
REF
) < 5mA;
T
A
= 40癈 to 85癈
10
20 mV
Temperature Stability
0.4
%
Total Variation
Line, Load, Temp
7.35
7.65 V
Long Term Stability
T
J
= 125癈, 1000 Hours
5
25 mV
PFC
Minimum Duty Cycle
V
IEAO
> 4.0V
0
%
Maximum Duty Cycle
V
IEAO
< 1.2V
90
95
%
Output Low Voltage
I
OUT
= -20mA
0.4 0.8
V
I
OUT
= -100mA
0.7 2.0
V
I
OUT
= 10mA, V
CC
= 9V
0.4 0.8
V
Output High Voltage
I
OUT
= 20mA
V
CC
- 0.8V
V
I
OUT
= 100mA
V
CC
- 2V
V
Rise/Fall Time
C
L
= 1000pF
50
ns
PWM
Duty Cycle Range
0-44
0-47 0-49 %
Output Low Voltage
I
OUT
= -20mA
0.4 0.8
V
I
OUT
= -100mA
0.7 2.0
V
I
OUT
= 10mA, V
CC
= 9V
0.4 0.8
V
Output High Voltage
I
OUT
= 20mA
V
CC
- 0.8V
V
I
OUT
= 100mA
V
CC
- 2V
V
Rise/Fall Time
C
L
= 1000pF
50
ns
Supply
Start-up Current
V
CC
= 12V, C
L
= 0
200 350 礎
Operating Current
14V, C
L
= 0
5.5
7
mA
Undervoltage Lockout
Threshold
12.4
13 13.6 V
Undervoltage Lockout
Hysteresis
2.5
2.8 3.1
V
Electrical Characteristics (Continued)
Unless otherwise specied, V
CC
= 15V, R
T
= 52.3k&, C
T
= 470pF, T
A
= Operating Temperature Range (Note 1)
Symbol
Parameter
Conditions
Min.
Typ. Max. Units
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相关代理商/技术参数
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功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
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功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
ML4800CS_Q
功能描述:功率因数校正 IC PFC Controller PWM Combo
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功能描述:功率因数校正 IC PFC Controller PWM Combo RoHS:否 制造商:Fairchild Semiconductor 开关频率:300 KHz 最大功率耗散: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Reel
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