TPS61222-EP_15 datasheet(7/20 Pages) TI

Part #	TPS61222-EP

Description	LOW INPUT VOLTAGE, 0.7-V BOOST CONVERTER WITH 5.5-關A QUIESCENT CURRENT

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Manufacturer	TI [Texas Instruments]

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V -InputVoltage-V

I

=50mA

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=100

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O

m

I

=10mA

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I

=1mA

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=5V

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V

= 5 V

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Device Enabled

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V - Input Voltage - V

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-OutputCurrent-mA

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V =1.2V

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V =4.2V

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=5V

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V =2.4V

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V =3.6V

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TPS61222-EP

www.ti.com

SLVSBI2 – SEPTEMBER 2012

TYPICAL CHARACTERISTICS

Table of Graphs

FIGURE

Maximum Output Current

vs Input Voltage

Figure 2

vs Output Current, VIN = [0.7 V; 1.2 V; 2.4V; 3.6 V; 4.2 V]

Figure 3

Efficiency

vs Input Voltage, IOUT = [100 uA; 1 mA; 10 mA; 50 mA]

Figure 4

Input Current

at No Output Load, Device Enabled

Figure 5

Output Voltage

vs Output Current, VIN = [0.7 V; 1.2 V; 2.4 V; 3.6 V]

Figure 6

Load Transient Response, VIN = 2.4 V, IOUT = 14 mA to 126 mA

Figure 7

Waveforms

Line Transient Response, VIN = 2.8 V to 3.6 V, RLOAD = 100 Ω

Figure 8

MAXIMUM OUTPUT CURRENT

EFFICIENCY

vs

INPUT VOLTAGE

OUTPUT CURRENT AND INPUT VOLTAGE

Figure 2.

Figure 3.

EFFICIENCY

NO LOAD INPUT CURRENT

vs

INPUT VOLTAGE AND OUTPUT CURRENT

INPUT VOLTAGE, DEVICE ENABLED

Figure 4.

Figure 5.

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