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参数资料
| 型号： | TLV431AQDCKT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO6 |
| 封装： | PLASTIC, SC-70, 6 PIN |
| 文件页数： | 1/25页 |
| 文件大小： | 511K |
| 代理商： | TLV431AQDCKT |
TLV431, TLV431A, TLV431B
LOW VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS139M JULY 1996 REVISED OCTOBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Low-Voltage Operation . . . Down to 1.24 V
D Reference Voltage Tolerances Are:
0.5% for TLV431B
1% for TLV431A
1.5% for TLV431
D Adjustable Output Voltage, VO = VREF to 6 V
D Low Operational Cathode Current ...80 A Typ
D 0.25- Typical Output Impedance
D 405C to 1255C Specifications
REF
ANODE
CATHODE
LP (TO-92/T0-226) PACKAGE
(TOP VIEW)
NC - No internal connection
DBV (SOT23-5) PACKAGE
(TOP VIEW)
1
2
3
5
4
NC
CATHODE
ANODE
REF
DBZ (SOT23-3) PACKAGE
(TOP VIEW)
1
2
3
REF
CATHODE
ANODE
D (SOIC) PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
REF
ANODE
NC
CATHODE
ANODE
NC
DCK (SC-70) PACKAGE
(TOP VIEW)
1
2
3
6
5
4
CATHODE
NC
REF
ANODE
NC
PK (SOT-89) PACKAGE
(TOP VIEW)
CATHODE
ANODE
REF
description/ordering information
The TLV431, TLV431A, and TLV431B are low-voltage 3-terminal adjustable voltage references, with specified
thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to
any value between VREF (1.24 V) and 6 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 TLV431, TLV431A, and TLV431B are ideal voltage references in isolated
feedback circuits for 3-V to 3.3-V switching-mode power supplies. These devices have a typical output
impedance of 0.25
. Active output circuitry provides a very sharp turn-on characteristic, making the TLV431,
TLV431A, and TLV431B excellent replacements for low-voltage Zener diodes in many applications, including
on-board regulation and adjustable power supplies.
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.
Copyright
2004, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV431AQPK | 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 |
| TLV431AQPKG3 | 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 |
| TLV431ASN1T1 | 功能描述:基准电压& 基准电流 1.24-16V ADJ 1-100mA 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 |
| TLV431ASN1T1G | 功能描述:基准电压& 基准电流 1.24-16V ADJ 1-100mA 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 |
| TLV431ASN1T1G-CUT TAPE | 制造商:ON 功能描述:TLV Series 1.24 V Low Voltage Precision Adjustable Shunt Regulator - SOT-23-3 |
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