TPS2101系列介绍资料

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TPS2101

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使能端高电平有效、具有补偿温度功能的 2.7V 至 4V、250mΩ、0.5A、1.3Ω、0.01A 电源多路复用器

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The TPS2100 and TPS2101 are dual-input, single-output power switches designed to provide uninterrupted output voltage when transitioning between two independent power supplies. Both devices combine one n-channel (250 m) MOSFET with a single output. The p-channel MOSFET (IN2) is used with auxiliary power supplies that deliver lower current for standby modes. The n-channel MOSFET (IN1) is used with a main power supply that delivers higher current required for normal operation. Low on-resistance makes the n-channel the ideal path for higher main supply current when power-supply regulation and system voltage drops are critical. When using the p-channel MOSFET, quiescent current is reduced to 0.75uA to decrease the demand on the standby power supply. The MOSFETs in the TPS2100 and TPS2101 do not have the parasitic diodes, found in discrete MOSFETs, which allow the devices to prevent back-flow current when the switch is off.

Dual-Input, Single-Output MOSFET Switch With No Reverse Current Flow (No Parasitic Diodes)
IN1...250-m, 500-mA N-Channel;
16-uA Max Supply Current
IN2...1.3-, 10-mA P-Channel;
1.5-uA Max Supply Current (V_AUX Mode)
Advanced Switch Control Logic
CMOS- and TTL-Compatible Enable Input
Controlled Rise, Fall, and Transition Times
2.7-V to 4 V Operating Range
SOT-23-5 and SOIC-8 Package
-40°C to 70°C Ambient Temperature Range
2-kV Human-Body-Model, 750-V CDM, 200-V Machine-Model Electrostatic-
Discharge Protection
Typical Applications
- Notebook and Desktop PCs
- Palmtops and PDAs

Number of input channels	2
IN1, IN2 input voltage (min) (V)	2.7
IN1, IN2 input voltage (max) (V)	4
IN1 rDS(on) (typ) (mΩ)	250
IN2 rDS(on) (typ) (mΩ)	1300
IN1 output current (max) (A)	0.5
IN2 output current (max) (A)	0.01
Rating	Catalog
Quiescent current (Iq) (µA)	0.75
Operating temperature range (°C)	-40 to 85
FET	Internal
Imax (A)	0.5
Features	Inrush current control, Reverse current blocking
Device type	Power muxes
Function	Inrush current control, Reverse current blocking

SOIC (D)	8	29.4 mm² 4.9 x 6
SOT-23 (DBV)	5	8.12 mm² 2.9 x 2.8

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TPS2101

使能端高电平有效、具有补偿温度功能的 2.7V 至 4V、250mΩ、0.5A、1.3Ω、0.01A 电源多路复用器

4000-306-326