TPS61220_15 datasheet(8/27 Pages) TI

Part #	TPS61220

Description	TPS6122x Low Input Voltage, 0.7V Boost Converter With 5.5關A Quiescent Current

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Manufacturer	TI [Texas Instruments]

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8 / 27 page

V

I

200mV/div

V

20mV/div

O

Offset:1.8V

Offset:3.3V

V 1.8to2.4V,R

=100

,t

=t

=20ms

I

LOAD

rise

fall

W

200

s/div

m

V

I

200 mV/div

V

O

20 mV/div

Offset: 2.8 V

Offset: 5 V

200

s/div

m

V

O

50 mV/div

200 mA/div

I

L

200

s/div

m

20 mA/div

I

O

Offset: 3.31 V

Offset: 0 A

V

O

50 mV/div

200 mA/div

I

L

200

s/div

m

50 mA/div

I

O

Offset: 0 A

Offset: 5 V

I

coil

50 mA/div

V

O

10 mA/div

1

s/div

m

Offset: 1.8 V

Offset: 0 V

I

coil

50 mA/div

V

10 mV/div

O

Offset: 0 A

Offset: 3.31 V

1

s/div

m

TPS61220, TPS61221, TPS61222

SLVS776B – JANUARY 2009 – REVISED NOVEMBER 2014

www.ti.com

VI = 0.8 V

VO = 1.8 V

IO = 20 mA

VI = 1.8 V

VO = 3.3 V

IO = 50 mA

Figure 13. Output Voltage Ripple (TPS61220)

Figure 14. Output Voltage Ripple (TPS61221)

VI = 2.4 V

IO = 14 mA to 126 mA

VI = 1.2 V

IO = 6 mA to 50 mA

Figure 16. Load Transient Response (TPS61222)

Figure 15. Load Transient Response (TPS61221)

VI = 2.8 V to 3.6 V

RLOAD = 100 Ω

trise = tfall = 20 ms

VI = 2.4 V to 2.4 V

RLOAD = 100 Ω

trise = tfall = 20 ms

Figure 18. Line Transient Response (TPS61222)

Figure 17. Line Transient Response (TPS61221)

8

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