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参数资料
| 型号： | TLV431AIDBVR |
| 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： | 1/41页 |
| 文件大小： | 1102K |
| 代理商： | TLV431AIDBVR |
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TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T JULY 1996 REVISED JUNE 2007
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Low-Voltage Operation ...V
REF = 1.24 V
D Adjustable Output Voltage, V
O = VREF to 6 V
D Reference Voltage Tolerances at 255C
0.5% for TLV431B
1% for TLV431A
1.5% for TLV431
D Typical Temperature Drift
4 mV (0
5C to 705C)
6 mV (–40
5C to 855C)
11 mV (–40
5C to 1255C)
D Low Operational Cathode Current . . .
80
A Typ
D 0.25- Typical Output Impedance
D Ultra-Small SC-70 Package Offers 40%
Smaller Footprint Than SOT-23-3
D See TLVH431 and TLVH432 for
Wider VKA (1.24 V to 18 V) and IK (80 mA)
Additional SOT-89 Package
Multiple Pinouts for SOT-23-3 and SOT-89
Packages
REF
ANODE
CATHODE
LP (TO-92/TO-226) PACKAGE
(TOP VIEW)
NC No internal connection
* For TLV431, TLV431A: NC No internal connection
* For TLV431B: Pin 2 is attached to Substrate and
must be connected to ANODE or
left open.
DBV (SOT-23-5) PACKAGE
(TOP VIEW)
1
2
3
5
4
NC
*
CATHODE
ANODE
REF
DBZ (SOT-23-3) 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
NC No internal connection
PK (SOT-89) PACKAGE
(TOP VIEW)
1
3
2
REF
CATHODE
ANODE
description/ordering information
The TLV431 is a low-voltage 3-terminal adjustable voltage reference 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 is an ideal voltage reference 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 them 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
2007, 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.
相关PDF资料 |
PDF描述 |
|---|---|
| TLV431ACDBVT | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| TLV431BCLP | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PBCY3 |
| TLV431IDBVRE4 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| TLV431ACDBVRG4 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5 |
| TLV431ACLPR | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PBCY3 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV431AIDBVR | 制造商:Texas Instruments 功能描述:Voltage Regulator IC Leaded Process Comp |
| TLV431AIDBVRE4 | 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 |
| TLV431AIDBVRG4 | 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 |
| TLV431AIDBVT | 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 |
| TLV431AIDBVTE4 | 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 |
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