參數(shù)資料
型號: FAN7585
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Intelligent Voltage Mode PWM IC
中文描述: 0.2 A SWITCHING CONTROLLER, PDIP24
封裝: SDIP-24
文件頁數(shù): 6/16頁
文件大?。?/td> 437K
代理商: FAN7585
FAN7585
6
Electrical Characteristics
(V
cc
=20V, T
a
=25
°
C, unless otherwise specified)
Parameter
REFERENCE SECTION
Reference Output Voltage
Line Regulation
Load Regulation
Temperature Coefficient of Vref
(1)
Short Circuit Output Current
OSCILLATOR SECTION
Oscillation Frequency
Frequency Change with Temperature
(1)
DEAD TIME CONTROL SECTION
Input Bias Current
Maximum Duty Voltage
Symbol
Condition
Min.
Typ.
Max.
Unit
Vref
Iref=1mA
15V
V
CC
30V
1mA
Iref
10mA
-25
°
C
Ta
85
°
C
Vref = 0
4.9
-
-
-
15
5
5.1
25
15
-
75
V
Vref.
LINE
Vref.
LOAD
Vref/
T
I
SC
2.0
1.0
0.01
35
mV
mV
%/
°
C
mA
fosc
fosc/T
C
T
=0.01uF, R
T
=12k
C
T
=0.01uF, R
T
=12k
-
-
9.4
2
-
-
kHz
%
I
B(DT)
DC
MAX
-
-
-2.0
48
3.0
-
-10
50
3.3
-
uA
%
Pin21 (DTC)=0V
Zero Duty Cycle
Max. Duty Cycle
45
-
0
Input Threshold Voltage
V
TH(DT)
V
ERROR AMP SECTION
Inverting Reference Voltage
Input Bias Current
Open-Loop Voltage Gain
(1)
Unit-Gain Bandwidth
(1)
Output Sink Current
Output Source Current
PWM COMPARATOR SECTION
Input Threshold Voltage
OUTPUT SECTION
Output Saturation Voltage
Collector Off-State Current
Rising Time
(1)
Falling Time
(1)
Vref(EA)
I
B(EA)
G
VO
BW
I
SINK
I
SOURCE
-
1.20
-
70
-
0.3
-2.0
1.25
-0.1
95
650
0.9
-4.0
1.30
-1.0
-
-
-
-
V
uA
dB
kHz
mA
mA
V
COMP
=2.5V
0.5V
V
COMP
3.5V
-
V
COMP
= 0.7V
V
COMP
= 3.5V
V
TH(PWM)
Zero Duty Cycle
-
4
4.5
V
V
CE(SAT)
I
C(off)
T
R
T
F
I
C
= 200mA
V
CC
=V
C
=30V, V
E
=0V
-
-
-
-
1.1
2
100
50
1.3
100
200
200
V
uA
ns
ns
-
-
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