LMZ21700_15 datasheet(14/37 Pages) TI

Part #	LMZ21700

Description	LMZ21700 650 mA SIMPLE SWITCHER짰 Nano Module with 17 V Maximum Input Voltage

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Manufacturer	TI [Texas Instruments]

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ENABLE 500mV/Div

20MHz BW

1ms/Div

PGOOD 1V/Div

VOUT 500mV/Div

ILOAD 500mA/Div

20MHz BW

1ms/Div

VOUT 20mV/Div AC

ILOAD 500mA/Div

Load Current (A)

0.0001

0.001

0.01

0.1

1

0

10

20

30

40

50

60

70

80

90

100

D013

VIN = 3 V

VIN = 3.3 V

VIN = 4.5 V

VIN = 5 V

VIN = 9 V

VIN = 12 V

VIN = 15 V

VIN = 17 V

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

Load Current (A)

VIN = 3 V

VIN = 3.3 V

VIN = 4.5 V

VIN = 5 V

VIN = 9 V

VIN = 12 V

VIN = 15 V

VIN = 17 V

C001

CIN

22µF

_ 25V

X7R or X5R

CSS

3300pF

_10V

X7R or X5R

COUT

22µF

_ 10V

X7R or X5R

RPG

10k

1%

RFBT

41.2k

1%

RFBB

82.5k

1%

COMPONENT VALUES FOR VOUT=1.2V

VIN

EN

GND

SS

LMZ21700

CIN

CSS

VOUT

PG

FB

VOS

COUT

RPG

RFBT

RFBB

VIN

VOUT

LMZ21700

SNVS872C – AUGUST 2012 – REVISED NOVEMBER 2014

www.ti.com

9.2.3 Application Curves

9.2.3.1 VOUT = 1.2 V

Figure 20. Typical Applications Circuit

Figure 21. External Component Values

(VOUT = 1.2V)

Figure 23. Power Dissipation VOUT = 1.2V

Figure 22. Efficiency VOUT = 1.2V

Figure 24. Load Transient VOUT = 1.2V

Figure 25. Startup VOUT = 1.2V

14

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