TL1451A 具有宽输入电压范围的双路信道控制器

TL1451A 同类产品
TL1451A
Topology Buck, Boost, Flyback  
Vin(Min)(V) 3.6  
Vin(Max)(V) 50  
Vout(Min)(V) 1  
Vout(Max)(V) 50  
Regulated Outputs(#) 2  
Iout(Max)(A) 3  
Switching Frequency(Max)(kHz) 500  
Iq(Typ)(mA) 1.7  
Pin/Package 16PDIP, 16SO, 16SOIC, 16SSOP, 16TSSOP  
Thermal Shutdown No  
Vout2(Min)(V) 1  
Vout2(Max)(V) 50  
Iout2(A) 3  
Rating Catalog  
Duty Cycle(Max)(%) 100  
Vdo(Typ)(mV) 200 
TL1451A 描述

The TL1451A incorporates on a single monolithic chip all the functions required in the construction of two pulse-width-modulation (PWM) control circuits. Designed primarily for power-supply control, the TL1451A contains an on-chip 2.5-V regulator, two error amplifiers, an adjustable oscillator, two dead-time comparators, undervoltage lockout circuitry, and dual common-emitter output transistor circuits.

The uncommitted output transistors provide common-emitter output capability for each controller. The internal amplifiers exhibit a common-mode voltage range from 1.04 V to 1.45 V. The dead-time control (DTC) comparator has no offset unless externally altered and can provide 0% to 100% dead time. The on-chip oscillator can be operated by terminating RT and CT.

TL1451A 特性
TL1451A 芯片订购指南
器件 状态 温度 (oC) 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
TL1451ACD ACTIVE -20 to 85 0.60 | 1ku SOIC (D) | 16 40 | TUBE TL1451AC
TL1451ACDBLE NRND -20 to 85   SSOP (DB) | 16    
TL1451ACDBR ACTIVE -20 to 85 0.55 | 1ku SSOP (DB) | 16 2000 | LARGE T&R T1451A
TL1451ACDBRG4 ACTIVE -20 to 85 0.55 | 1ku SSOP (DB) | 16 2000 | LARGE T&R T1451A
TL1451ACDG4 ACTIVE -20 to 85 0.60 | 1ku SOIC (D) | 16 40 | TUBE TL1451AC
TL1451ACDR ACTIVE -20 to 85 0.55 | 1ku SOIC (D) | 16 2500 | LARGE T&R TL1451AC
TL1451ACDRG4 ACTIVE -20 to 85 0.55 | 1ku SOIC (D) | 16 2500 | LARGE T&R TL1451AC
TL1451ACN ACTIVE -20 to 85 0.60 | 1ku PDIP (N) | 16 25 | TUBE TL1451ACN
TL1451ACNE4 ACTIVE -20 to 85 0.60 | 1ku PDIP (N) | 16 25 | TUBE TL1451ACN
TL1451ACNSR ACTIVE -20 to 85 0.55 | 1ku SO (NS) | 16 2000 | LARGE T&R TL1451A
TL1451ACNSRG4 ACTIVE -20 to 85 0.55 | 1ku SO (NS) | 16 2000 | LARGE T&R TL1451A
TL1451ACPW ACTIVE -20 to 85 0.60 | 1ku TSSOP (PW) | 16 90 | TUBE T1451A
TL1451ACPWG4 ACTIVE -20 to 85 0.60 | 1ku TSSOP (PW) | 16 90 | TUBE T1451A
TL1451ACPWLE OBSOLETE -20 to 85   TSSOP (PW) | 16   T1451A
TL1451ACPWR ACTIVE -20 to 85 0.55 | 1ku TSSOP (PW) | 16 2000 | LARGE T&R T1451A
TL1451ACPWRG4 ACTIVE -20 to 85 0.55 | 1ku TSSOP (PW) | 16 2000 | LARGE T&R T1451A
TL1451AQD ACTIVE -40 to 125 0.60 | 1ku SOIC (D) | 16 40 TL1451AQ
TL1451AQDG4 ACTIVE   0.60 | 1ku SOIC (D) | 16 40 TL1451AQ
TL1451AQDR ACTIVE -40 to 125 0.60 | 1ku SOIC (D) | 16 2500 TL1451AQ
TL1451AQDRG4 ACTIVE   0.60 | 1ku SOIC (D) | 16 2500 TL1451AQ
TL1451A 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
TL1451ACD Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM   TL1451ACD
TL1451ACDBR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM   TL1451ACDBR
TL1451ACDBRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451ACDBRG4 TL1451ACDBRG4
TL1451ACDG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451ACDG4 TL1451ACDG4
TL1451ACDR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM   TL1451ACDR
TL1451ACDRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451ACDRG4 TL1451ACDRG4
TL1451ACN Pb-Free (RoHS)  CU NIPDAU  N/A for Pkg Type   TL1451ACN
TL1451ACNE4 Pb-Free (RoHS)  CU NIPDAU  N/A for Pkg Type   TL1451ACNE4
TL1451ACNSR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM   TL1451ACNSR
TL1451ACNSRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451ACNSRG4 TL1451ACNSRG4
TL1451ACPW Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM   TL1451ACPW
TL1451ACPWG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451ACPWG4 TL1451ACPWG4
TL1451ACPWR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM   TL1451ACPWR
TL1451ACPWRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451ACPWRG4 TL1451ACPWRG4
TL1451AQD TBD  CU NIPDAU  Level-1-220C-UNLIM   TL1451AQD
TL1451AQDG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451AQDG4 TL1451AQDG4
TL1451AQDR TBD  CU NIPDAU  Level-1-220C-UNLIM   TL1451AQDR
TL1451AQDRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-1-260C-UNLIM TL1451AQDRG4 TL1451AQDRG4
TL1451A 应用技术支持与电子电路设计开发资源下载
  1. TL1451A 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器非隔离式开关 DC/DC 调节器选型与价格参考 . xls
  3. Dual MOSFET Driver (PDF  498 KB)
  4. 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)   (PDF  2206 KB)
  5. Understanding Boost Power Stages In Switchmode Power Supplies   (PDF  149 KB)
  6. Understanding Buck Power Stages In Switchmode Power Supplies   (PDF  173 KB)
  7. 标准线性产品交叉参考 (Rev. D)   (PDF  1058 KB)
  8. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  9. 所选封装材料的热学和电学性质 (PDF 645 KB)
  10. 高速数据转换 (PDF 1967 KB)
TL1451A 工具与软件
名称 型号 公司 工具/软件类型
双 PWM 控制电路 TL1451AEVM-166 Texas Instruments 开发电路板/EVM
TL1451A 参考设计
说明 型号 公司
反向、LDO、降压和同步。 降压参考设计 PMP009 Texas Instruments
同步 降压,两个输入电压 4.5-5.5V 的升压 多输出电压 3.3V、5V 和 12V PMP146 Texas Instruments
输入电压为 6 至 15 V 的双路非同步降压、同步降压、负反向 PMP00-062 Texas Instruments