LMZ21700_15 datasheet(6/37 Pages) TI

Nome de Peças	LMZ21700

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

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Fabricante Electrônico	TI [Texas Instruments]

Página de início	http://www.ti.com

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6 / 37 page

Load Current (A)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0

0.1

0.2

0.3

0.4

0.5

D006

VIN = 3.3 V

VIN = 5 V

VIN = 9 V

VIN = 12 V

VIN = 15 V

VIN = 17 V

Load Current (A)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0

0.1

0.2

0.3

0.4

0.5

D007

VIN = 3.3 V

VIN = 5 V

VIN = 9 V

VIN = 12 V

VIN = 15 V

VIN = 17 V

Copper Area (cm2)

0

5

10

15

20

30

40

50

60

70

80

90

100

D012

2-LAYER 70 µm (2 oz) Cu

4-LAYER 70 µm (2 oz) Cu

Load Current (A)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0

0.1

0.2

0.3

0.4

0.5

005

VIN = 3.3 V

VIN = 5 V

VIN = 9 V

VIN = 12 V

VIN = 15 V

VIN = 17 V

LMZ21700

SNVS872C – AUGUST 2012 – REVISED NOVEMBER 2014

www.ti.com

Electrical Characteristics

(1) (continued)

Limits apply over the recommended operating junction temperature (TJ) range of -40 °C to +125 °C, unless otherwise stated.

Minimum and Maximum limits are specified through test, design or statistical correlation. Typical values represent the most

likely parametric norm at TJ = 25 °C, and are provided for reference purposes only. Unless otherwise stated the following

conditions apply: VIN = 12 V.

PARAMETER

TEST CONDITIONS

MIN(1)

TYP(2)

MAX(1)

UNIT

VOUT

Line regulation

3 V

≤ VIN ≤ 17 V, VOUT = 3.3 V, IOUT

= 650 mA

0.02 %

/ V

PWM mode operation

SYSTEM CHARACTERISTICS

Full Load Efficiency

VOUT = 3.3 V, IOUT = 650 mA

88 %

η

Light Load Efficiency

VOUT = 3.3 V, IOUT = 1 mA

72 %

7.6 Typical Characteristics

Unless otherwise specified the following conditions apply: VIN = 12 V, TA = 25 °C

VOUT = 1.2 V

TA = 85 ºC

Figure 2. Package Thermal Resistance vs. Board Copper

Area, No Air Flow

Figure 3. Power Dissipation

VOUT = 1.8 V

TA = 85 ºC

VOUT = 2.5 V

TA = 85 ºC

Figure 4. Power Dissipation

Figure 5. Power Dissipation

6

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