TPS61221 datasheet(9/22 Pages) TI1

Part #	TPS61221

Description	LOW INPUT VOLTAGE STEP-UP CONVERTER IN 6 PIN SC-70 PACKAGE

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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9 / 22 page

V

O

50mV/div

200mA/div

I

L

200 s/div

m

50mA/div

I

O

Offset:0 A

Offset:5V

V =2.4V,I

=14mA to126mA

I

O

V

O

50mV/div

200mA/div

I

L

200 s/div

m

20mA/div

I

O

Offset:3.31V

Offset:0 A

V =1.2V,I

=6mA to50mA

I

O

V

I

200mV/div

V

O

20mV/div

Offset:2.8V

Offset:5V

200 s/div

m

V 2.8to3.6V,R

=100

,t

=t

=20ms

I

LOAD

rise

fall

W

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

EN

500mV/div

I

coil

100mA/div

V

L

1V/div

V

1V/div

O

Offset:0 A

Offset:0V

500

s/div

m

V =0.7V,V

=1.8V,R

=150

I

O

LOAD

W

V =0.7V,V

=3.3V,R

=50

I

O

LOAD

W

I

coil

100mA/div

V

2V/div

L

V

500mV/div

EN

V

2V/div

O

Offset:0V

Offset:0 A

Offset:0V

500

s/div

m

TPS61220

TPS61221

TPS61222

www.ti.com ............................................................................................................................................................................................... SLVS776 – JANUARY 2009

LOAD TRANSIENT RESPONSE (TPS61221)

LOAD TRANSIENT RESPONSE (TPS61222)

Figure 15.

Figure 16.

LINE TRANSIENT RESPONSE (TPS61221)

LINE TRANSIENT RESPONSE (TPS61222)

Figure 17.

Figure 18.

STARTUP AFTER ENABLE (TPS61120)

STARTUP AFTER ENABLE (TPS61221)

Figure 19.

Figure 20.

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Product Folder Link(s): TPS61220 TPS61221 TPS61222

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