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TPS2141

2-ch, 0.6A loading, 5V, 40mΩ USB power switch, active-low + adjustable output LDO; ? Complete Power Management Solution for USB High-Power Peripherals\n? 250 mA Low-Dropout Regulator (LDO) With Enable and 325 mA (Typ) Current Limit\n? LDO Supports 2.7 V to 5.5 V VIN and 0.9 V to 3.3 V Adjustable VOUT\n? 40 m (Typ) High-Side MOSFET With Dual Current Limit\n? Undervoltage Lockout and Power Good for LDO and Switch\n? CMOS- and TTL-Compatible Enable Inputs\n? 85 μA (Typ) Supply Current\n? 5 μA (Typ) Standby Supply Current\n? Available in 14-Pin HTSSOP (PowerPAD?)\n? –40°C to 85°C Ambient Temperature Range\n? Alternative to TPS2148/58 3.3-V LDO With 3.3-V Switch and 5-V Switch\n? APPLICATIONS \n? High-Power USB? Peripherals \n? ADSL Modems\n? Digital Still and PC Cameras\n? Zip Drives\n? Speakers\n \n? DSP Sequencing\n \n PowerPAD is a trademark of Texas Instruments. USB is a trademark of Universal Serial Bus Association.;

The TPS2140/41/50/51 is a USB 1.0 and 2.0 Specification-compatible IC containing a dual-current-limiting power switch and an adjustable low dropout regulator (LDO). Both the switch and LDO limit inrush current by controlling the turnon slew rate. The unique dual-current-limiting feature of the switch allows USB peripherals to utilize high-value capacitance at the output of the switch, while keeping the inrush current low. During turn on, the switch limits the current delivered to the capacitive load to less than 100 mA. When the output voltage from the switch reaches about 93% of the input voltage, the switch power good output goes high, and the switch current limit increases to 800mA (minimum), at which point higher current loads can be turned on. The higher current limit provides short circuit protection while allowing the peripheral to draw maximum current from the USB bus.\n\n The switch and LDO function independently, providing flexibility in DSP applications requiring separate core and I/O voltages. For example, in a DSP application operating from a 3.3-V rail, the LDO can supply the DSP core voltage down to 0.9 V, while the switch powers the 3.3-V (typical) DSP I/O supply. If supply sequencing is required, the LDO power good output can be used to enable the switch.

TPS2141

ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB HIGH-POWER PERIPHERAL POWER MANAGEMENT

TPS2141IPWP

ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB HIGH-POWER PERIPHERAL POWER MANAGEMENT

TPS2141IPWP

ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB

TPS2141IPWPG4

ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB

TPS2141IPWPR

ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB

TPS2141IPWPRG4

ADJUSTABLE LDO AND SWITCH WITH DUAL CURRENT LIMIT FOR USB

TPS2141IPWPG4

Package：14-TSSOP（0.173"，4.40mm 寬）裸露焊盤；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 類別：集成電路（IC） 電源管理 - 專用 描述：IC USB ADJ LDO 5V HP 14-HTSSOP

TPS2141IPWPR

Package：14-TSSOP（0.173"，4.40mm 寬）裸露焊盤；包裝：卷帶（TR） 類別：集成電路（IC） 電源管理 - 專用 描述：IC USB ADJ LDO 5V HP 14-HTSSOP

TPS2141IPWPRG4

Package：14-TSSOP（0.173"，4.40mm 寬）裸露焊盤；包裝：卷帶（TR）剪切帶（CT）Digi-Reel? 得捷定制卷帶 類別：集成電路（IC） 電源管理 - 專用 描述：IC USB ADJ LDO 5V HP 14-HTSSOP