- 您现在的位置：买卖IC网 > PDF目录98052 > PJ494CD 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDIP16 PDF资料下载
参数资料
| 型号： | PJ494CD |
| 元件分类： | 稳压器 |
| 英文描述： | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封装： | DIP-16 |
| 文件页数： | 4/11页 |
| 文件大小： | 688K |
| 代理商： | PJ494CD |
PJ494
Switchmode Pulse Width Modulation Control Circuit
2-11
2002/11.rev.A
Parameter
Symbol
Min
Max
Unit
Supply voltage
Vcc
7
40
Amplifier input voltage
Vi
-0.3
Vcc-2
Collector output voltage
Vo
40
V
Collector output current(each transistor)
200
Current into feedback terminal
0.3
mA
Timing capacitor
CT
0.47
10000
nF
Timing resistor
RT
1.8
500
K
Oscillator frequency
1
300
KHz
Operating free-air temperature
TA
0
70
℃
Vcc=15V, f=10KHz (unless otherwise noted).
REFERENCE SECTION
Value
Parameter
Test Conditions*
Min
Typ
Max
Unit
Output voltage(Vref)
Io=1mA
4.75
5
5.25
V
Line regulation
Vcc=7V to 40V
--
2.0
25
Load regulation
Io=1mA to 10mA
--
3.0
15
mV
Output voltage change with temperature
TA=MIN to MAX
--
0.2
1
%
Short-circuit output current***
Vref=0
15
35
75
mA
OSCILLATOR SECTION
Value
Parameter
Test Conditions*
Min
Typ
Max
Unit
Frequency
CT=0.001F,RT=30K
--
40
--
KHz
Standard deviation of frequency****
CT=0.001F,RT=30K
--
3.0
--
Frequency change with voltage
Vcc=7V to 40V, TA=25℃
--
0.1
--
Frequency change with temperature***
CT=0.001F,RT=30K
TA=MIN to MAX
--
12
%
ERROR AMPLIFIER SECTION
Value
Parameter
Test Conditions*
Min
Typ**
Max
Unit
Input offset voltage
Vo=(pin 3)=2.5V
--
2.0
10
mA
Input offset current
Vo=(pin 3)=2.5V
--
5.0
250
nA
Input bias current
Vo=(pin 3)=2.5V
--
-0.1
-1.0
A
Common-mode input voltage range
Vcc=7V to 40V
-0.3 toVcc-2
V
Open-loop voltage amplification
Vo=3V,RL=2K,Vo=0.5 to 3.5V
70
95
--
dB
Unity-gain bandwidth
RL=2K,Vo=0.5 to 3.5V
--
800
--
KHz
Common-mode rejection ratio
Vo=40V, TA=25℃
65
90
--
dB
Power Supplu Rejection Ratio
Vcc=33V,Vo=2.5V,RL=2K
--
100
--
dB
Output sink current (pin 3)
VID=-15mV to -5V,V(PIN3)=0.7V
0.3
0.7
--
mA
Output source current (pin 3)
VID=15mV to 5V,V(PIN3)=3.5V
2.0
-4.0
--
mA
OUTPUT SECTION
Value
Parameter
Test Conditions
Min
Typ
Max
Unit
Collector off-state current
VCE=40V,VCC=40V
--
2.0
100
Emitter off-state current
Vcc=Vc=40V, VE=0
--
-100
A
Common-emitter
VE=0, Ic=200mA
--
1.1
1.3
Collector-emitter saturation
voltage
Emitter-follower
Vc=15V, IE=-200mA
--
1.5
2.5
V
Output control input current
VI=Vref
--
3.5
mA
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS OVER RECOMMENDED OPERATING FREE-AIR TEMPERATURE
相关PDF资料 |
PDF描述 |
|---|---|
| PJ494CS | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| PKB4204BSIP | 1-OUTPUT 234 W DC-DC REG PWR SUPPLY MODULE |
| PKB4204BPILB | 2-OUTPUT 194 W DC-DC REG PWR SUPPLY MODULE |
| PKB4204BPIHS | 2-OUTPUT 194 W DC-DC REG PWR SUPPLY MODULE |
| PKB4204BSI | 2-OUTPUT 194 W DC-DC REG PWR SUPPLY MODULE |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PJ494CS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Switchmode Pulse Width Modulation Control Circuit |
| PJ4A | 制造商:Cooper Wiring Devices 功能描述: |
| PJ4L40 | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:QUAD SCHOTTKY DATA LINE BUS TERMINATOR |
| PJ4L40_08 | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:QUAD SCHOTTKY DATA LINE BUS TERMINATOR |
| PJ4L40T/R13 | 制造商:PANJIT 制造商全称:Pan Jit International Inc. 功能描述:QUAD SCHOTTKY DATA LINE BUS TERMINATOR |
发布紧急采购，3分钟左右您将得到回复。