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参数资料
| 型号： | ZHT431G01 |
| 厂商： | ZETEX PLC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR |
| 中文描述： | 2.5 V-20 V ADJUSTABLE POSITIVE REGULATOR, PDSO4 |
| 封装： | SOT-223, SMT-3 |
| 文件页数： | 2/7页 |
| 文件大小： | 109K |
| 代理商： | ZHT431G01 |
ZHT431
ABSOLUTE MAXIMUM RATING
Cathode Voltage (V
Z
)
Cathode Current
Operating Temperature
Storage Temperature
Recommended Operating Conditions
20V
150mA
-55 to 125°C
-55 to 150°C
Min
Vref
50
μ
A
Max
20V
100mA
Cathode Voltage
Cathode Current
Power Dissipation (T
amb
=25°C)
(T
jmax
= 150°C)
SOT23
TO92
SOT223
SO8
SOT89
330mW
780mW
2W
780mW
1.5W
ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated):T
amb
=25°C
SYMBOL
VALUE
MIN
TYP MAX
Reference Voltage 2%
1%
2.475
2.50
Deviation of Reference Input
Voltage over Temperature
Ratio of the change in
Reference Voltage to the
Change in Cathode
Voltage
PARAMETER
UNITS CONDITIONS
V
ref
2.45
2.50
2.55
2.525
30
V
I
L
=10mA (Fig1), V
Z
=V
ref
V
dev
10
mV
I
L
=10mA, V
Z
=V
ref
T
a
=full range (Fig1)
V
Z
from V
ref
to 10V
I
Z
=10mA (Fig2)
V
Z
from 10V to 20V
I
Z
=10mA (Fig2)
R1=10k, R2=O/C, l
L
=10mA
(Fig2)
R1=10k, R2=O/C, I
L
=10mA
T
a
=full range (Fig2)
V
Z
=V
ref
(Fig1)
V
ref
V
Z
-1.85 -2.7
mV/V
-1.0
-2.0
mV/V
Reference Input Current
I
ref
0.12 1.0
μ
A
Deviation of Reference Input
Current over Temperature
Minimum Cathode
Current for Regulation
Off-state Current
I
ref
0.04 0.2
μ
A
I
Zmin
35
50
μ
A
I
Zoff
R
Z
0.1
μ
A
V
Z
=20V, V
ref
=0V(Fig3)
V
Z
=V
ref
(Fig1), f=0Hz,
I
C
=1mA to 100mA
Dynamic Output
Impedance
0.75
Deviation of reference input voltage, V
dev,
is defined as the maximum variation of the reference
input voltage over the full temperature range.
The average temperature coefficient of the reference input voltage, V
ref
is defined as:
V
ref
(
ppm
°
C
)=
V
dev
x 1000000
V
ref
(
T1
T2
)
The dynamic output impedance, Rz, is defined as:
R
Z
=
V
Z
I
Z
When the device is programmed with two external
resistors, R1 and R2, (fig 2) , the dynamic output
impedance of the overall circuit, R’, is defined as:
R
’
=
R
z
(
1
+
R1
R2
)
Vmax
Vmin
T1
T2
Vdev = Vmax - Vmin
Temperature
4-29
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ZHT431G01TA | 功能描述:基准电压& 基准电流 High Temp 431 Prog RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ZHT431G01TC | 功能描述:基准电压& 基准电流 High Temp 431 Prog RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ZHT431G02 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:ADJUSTABLE PRECISION ZENER SHUNT REGULATOR |
| ZHT431G02TA | 功能描述:基准电压& 基准电流 High Temp 431 Prog RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| ZHT431G02TC | 功能描述:基准电压& 基准电流 High Temp 431 Prog RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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