LPS4414 datasheet(6/38 Pages) MICROCHIP

Part #	LPS4414

Description	High Voltage Input Integrated Switch Step-Down Regulator

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Manufacturer	MICROCHIP [Microchip Technology]

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MCP16301

DS25004A-page 6

Note: Unless otherwise indicated, V

IN = EN = 12V, COUT = CIN = 2 X10 µF, L = 15 µH, VOUT = 3.3V, ILOAD = 200 mA,

TA = +25°C.

FIGURE 2-7:

Switching Frequency vs.

Temperature; VOUT = 3.3V.

FIGURE 2-8:

Maximum Duty Cycle vs.

Ambient Temperature; VOUT = 5.0V.

FIGURE 2-9:

Peak Current Limit vs.

Temperature; VOUT = 3.3V.

FIGURE 2-10:

Switch RDSON vs. VBOOST.

FIGURE 2-11:

VFB vs. Temperature;

VOUT = 3.3V.

FIGURE 2-12:

Under Voltage Lockout vs.

Temperature.

460

465

470

475

480

485

490

495

500

505

-40

-25

-10

5

20

35

50

65

80

Ambient Temperature (°C)

VIN = 12V

IOUT = 200 mA

VOUT = 3.3V

95.45

95.5

95.55

95.6

95.65

95.7

95.75

95.8

95.85

-40 -25 -10

5

20

35

50

65

80

Ambient Temperature (°C)

VIN = 5V

IOUT = 200 mA

600

800

1000

1200

1400

1600

-40

-25

-10

5

20

35

50

65

80

Ambient Temperature (°C)

VIN = 12V

VIN = 30V

VIN = 6V

VOUT = 3.3V

420

430

440

450

460

470

480

490

500

510

33.5

44.5

5

Boost Voltage (V)

TA = +25°C

VDS = 100 mV

0.796

0.797

0.798

0.799

0.800

0.801

0.802

-40 -25

-10

5

20

35

50

65

80

Ambient Temperature (°C)

VOUT = 3.3V

VIN = 12V

IOUT = 100 mA

3.10

3.15

3.20

3.25

3.30

3.35

3.40

3.45

3.50

3.55

3.60

-40

-25

-10

5

20

35

50

65

80

Ambient Temperature (°C)

UVLO Start

UVLO Stop

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