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RT9059 是一款高性能的正电压输出线性稳压器，适用于最大负载电流达 3A 而输入电压又很低并且输入、输出压差也极低的应用。 它在 VDD 电压为 3V、可调输出电压最低达 0.8V 时的 VIN 输入电压最低可至 1V。由于 RT9059 拥有超低输入、输出压差的特性，非常适合使用在输出电压非常接近输入电压的应用中。它还具有使能控制引脚，关机状态下的电流消耗可达极低水平，几乎没有任何功率损耗。它在整个输入、输出和工作温度范围内都能提供卓越的电压调节性能，其 Power Good 信号输出端可在输出电压达到额定电压的 90% 以上时发出输出正常的信号。

应用

  • 笔记本电脑
  • 计算机主板
主要规格
RT9059 RT9059A RT9059B RT9059C
Status Active Active Active Active
Vin (min) (V) 1 1 1 1
Vin (max) (V) 5.5 5.5 5.5 5.5
Vout (min) (V) 0.8 0.8 0.8 0.8
Vout (max) (V) 4 4 4 4
Output Adj. Method Fixed;Resistor Resistor Resistor Resistor
Accuracy (+/- %) 1.5 1.5 1 1.5
Iout (max) (mA) 3000 3000 3000 3000
Iq (typ) (uA) 600 600 600 600
Vdropout @ rated current (typ) (mV) 250 @ 2A;350 @ 3A 250 @ 2A;350 @ 3A 250 @ 2A;350 @ 3A 250 @ 2A;350 @ 3A
Bias Rail Yes Yes Yes Yes
Cout Type Ceramic Ceramic Ceramic Ceramic
Charge Pump No No No No
Features Enable Input;Low Dropout;OCP;Power Good;Stable with Ceramic Capacitor Enable Input;Low Dropout;OCP;Power Good;Stable with Ceramic Capacitor Enable Input;Low Dropout;OCP;Power Good;Stable with Ceramic Capacitor Enable Input;Low Dropout;OCP;Power Good;Stable with Ceramic Capacitor
Package Type PSOP-8;WDFN3x3-10 WDFN3x3-10 WDFN3x3-10 WDFN3x3-10
关键特性
  • 电流负载能力：3A
  • 输出电压精度：1.5%
  • 3A 负载时的输入、输出直通压差典型值为 350mV
  • Power Good 指示
  • 关机时时输出端主动放电
  • 电流限制保护
  • 过热关机保护
Datasheet
TitleVersionLast UpdateDownload
RT9059: 超低压差的 3A 线性稳压器V13.02012/04/17
Technical Documents
TitleItem TypeLast UpdateDownload
立锜全系列产品选择指南 [Jan., 2024] Selection Guide2024/01/19
Additional Documents
Title Last Update ShareDownload
Power Management Introduction and Selection Guide 2020/12/07
Part NumberPackage TypePackage Qty.Free SampleDistributorStockBuy From Authorized Distributor
RT9059-15GQWWDFN3x3-101,500 Request Digikey 1,483 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9059AGQWWDFN3x3-101,500 Request Digikey 3,813 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9059GQWWDFN3x3-101,500 Request Digikey 12,333 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
RT9059GSPPSOP-82,500 Request Digikey 8,610 Buy
Mouser Lead-Time: 14 weeks Not Available
WPG Lead-Time: 14 weeks Not Available
库存实际状况请联系代理商或业务窗口
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