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| 型号： | TLVH431AQDBVRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| 封装： | GREEN, PLASTIC, SOT-23, 5 PIN |
| 文件页数： | 1/24页 |
| 文件大小： | 665K |
| 代理商： | TLVH431AQDBVRQ1 |
SLVS906B
– DECEMBER 2008 – REVISED MARCH 2011
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
Check for Samples: TLVH431A-Q1, TLVH431B-Q1
1
FEATURES
Qualified for Automotive Applications
Low-Voltage Operation: Down to 1.24 V
Reference Voltage Tolerances at 25
°C
– 0.5% for B Grade
– 1% for A Grade
Adjustable Output Voltage, VO = VREF to 18 V
Wide Operating Cathode Current Range:
100
μA to 70 mA
0.25-
Typical Output Impedance
–40°C to 125°C Specifications
DESCRIPTION/ORDERING INFORMATION
The TLVH431 devices are low-voltage 3-terminal adjustable voltage references, with thermal stability specified
over the automotive temperature range. Output voltage can be set to any value between VREF (1.24 V) and 18 V
with two external resistors (see Figure 2). These devices operate from a lower voltage (1.24 V) than the widely
used TL431 and TL1431 shunt-regulator references.
When used with an optocoupler, the TLVH431 devices are ideal voltage reference in isolated feedback circuits
for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25
. Active output
circuitry provides a very sharp turn-on characteristic, making the TLVH431 an excellent replacement for
low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.
ORDERING INFORMATION(1)
VREF
TA
PACKAGE(2)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
TOLERANCE
0.5%
SOT-23-5
– DBV
Reel of 3000
TLVH431BQDBVRQ1
VOPQ
–40°C to 125°C
0.5%
SOT-23-3 - DBZ
Reel of 3000
TLVH431BQDBZRQ1
VPIQ
1%
SOT-23-5
– DBV
Reel of 3000
TLVH431AQDBVRQ1
VOOQ
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2)
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright
2008–2011, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
相关PDF资料 |
PDF描述 |
|---|---|
| TLVH431AQDBVTG4 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| TLVH431AQDBVTE4 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| TLVH432QDBZTG4 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO3 |
| TLVH432BIPKG3 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PSSO3 |
| TLVH431BQDBVT | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLVH431AQDBVT | 功能描述:基准电压& 基准电流 Lo-Vtg Adj Precision Shunt Regulator 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 |
| TLVH431AQDBVTE4 | 功能描述:基准电压& 基准电流 Lo-Vtg Adj Precision Shunt Regulator 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 |
| TLVH431AQDBVTG4 | 功能描述:基准电压& 基准电流 Lo Vltg Adj Prec Shunt Reg 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 |
| TLVH431AQDBZR | 功能描述:基准电压& 基准电流 Lo-Vtg Adj Precision Shunt Regulator 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 |
| TLVH431AQDBZR,215 | 功能描述:基准电压& 基准电流 1.24 VIN ADJ Shunt 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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