参数资料
型号: LR8N8
厂商: SUPERTEX INC
元件分类: 基准电压源/电流源
英文描述: High Input Voltage Adjustable 3-Terminal Linear Regulator
中文描述: 1.2 V-440 V ADJUSTABLE POSITIVE REGULATOR, PSSO3
封装: TO-243AA, SOT-89, 3 PIN
文件页数: 4/11页
文件大小: 601K
代理商: LR8N8
4
LR8
Typical Application Circuits
V
IN
=15V to 450V
V
OUT
ADJ
V
IN
*
R1
6.04K
±
1%
R2
18.2K
±
1%
C2
1.0
μ
F
C1
R
LOAD
16.5K
VOUT=5.0V
VOUT = 1.20V 1+R1
+ IADJR2
PWM IC
LR8
Vout1
-
Vout2
-
+
+
Vcc
VAuxiliary
V
IN
=15V to 450V
V
OUT
ADJ
V
IN
FB
LR8
V
IN
= 15V
to 450V
V
OUT
ADJ
V
IN
R
Load
I
OUT =
1.20V
R
+
-
1
μ
F
Figure 1: High Input Voltage, 5.0V Output Linear Regulator
* Required for conditions where V
IN
is less than V
OUT
.
Figure 2: SMPS Start-Up Circuit
Figure 3: High Voltage Adjustable Constant Current Source
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