MCP1633 datasheet(10/31 Pages) MICROCHIP

Part #	MCP1633

Description	Low-Side PWM Controller with LED Dimming Capability

PDF	31 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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10 / 31 page

MCP1633

DS20006289A-page 10

 2020 Microchip Technology Inc.

FIGURE 2-19:

Oscillator Frequency vs. Fsw

Pin Voltage (VDD=5V, Temperature=25°C).

FIGURE 2-20:

Oscillator Frequency vs.

RFsw (VDD=5V, Temperature=25°C).

FIGURE 2-21:

Oscillator Frequency vs. Fsw

Pin Voltage (VDD=3V, Temperature=25°C).

FIGURE 2-22:

Error Amplifier Input Offset

vs. Temperature).

FIGURE 2-23:

Input Quiescent Disable

Current vs.Temperature.

FIGURE 2-24:

Input Quiescent Enable

Current vs.Temperature.

500

1000

1500

2000

2500

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

VFsw (V)

300

600

900

1200

1500

1800

2100

2400

100

120

140

160

RFsw (kΩ)

500

1000

1500

2000

2500

0.3

0.6

0.9

1.2

1.5

1.8

2.1

VFsw (V)

0.02

0.04

0.06

0.08

0.1

0.12

0.14

-40 -25 -10

95 110 125

Temp (°C)

0.34

0.35

0.36

0.37

0.38

0.39

0.4

0.41

-40 -25 -10

95 110 125

Temp (°C)

3.2

3.4

3.6

3.8

4.2

4.4

4.6

4.8

-40 -25 -10

95 110 125

Temp (°C)

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