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參數(shù)資料
| 型號： | AZ494CP |
| 廠商： | BCD SEMICONDUCTOR MANUFACTURING LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| 中文描述： | 0.25 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, DIP16 |
| 封裝： | DIP-16 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 197K |
| 代理商： | AZ494CP |
PULSE-WIDTH-MODULATION CONTROL CIRCUITS AZ494A/C
Data Sheet
4
Apr. 2006 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum
Ratings"for extended periods may affect device reliability.
Note 2: All voltage values are with respect to the network ground terminal.
Note 3: Maximum power dissipation is a function of T
J
(max), R
θ
JA
and T
A
. The maximum allowable power dissi-
pation at any allowable ambient temperature is P
D
= ( T
J
(max) - T
A
)/R
θ
JA
. Operating at the absolute maximum T
J
of 150
o
C can affect reliability.
Parameter
Symbol
Value
Unit
Supply Voltage (Note 2)
V
CC
40
V
Amplifier Input Voltage
V
I
-0.3 to V
CC
+ 0.3
V
Collector Output Voltage
V
O
40
V
Collector Output Current
I
O
250
mA
Package Thermal Impedance
(Note 3)
R
θ
JA
M Package
73
o
C/W
P Package
67
Lead Temperature 1.6mm from case for 10 seconds
260
o
C
Storage Temperature Range
T
STG
-65 to 150
o
C
ESD rating (Machine Model)
200
V
Recommended Operating Conditions
Parameter
Symbol
Min
Typ
Max
Unit
Supply Voltage
V
CC
7
15
36
V
Collector Output Voltage
V
C1
, V
C2
30
36
V
Collector Output Current
(Each Transistor)
I
C1
, I
C2
200
mA
Amplifier Input Voltage
V
I
0.3
V
CC
- 2
V
Current Into Feedback Terminal
I
FB
0.3
mA
Reference Output Current
I
REF
10
mA
Timing Capacitor
C
T
0.00047
0.001
10
μ
F
Timing Resistor
R
T
1.8
30
500
K
Oscillator Frequency
f
osc
1.0
40
200
KHz
PWM Input Voltage (Pin 3, 4, 14)
0.3
5.3
V
Operating Free-Air Temperature
T
A
-40
85
o
C
Absolute Maximum Ratings (Note 1)
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| AZ494D | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
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