MCP1640T-IMC datasheet(5/32 Pages) MICROCHIP

Part #	MCP1640T-IMC

Description	0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option

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Manufacturer	MICROCHIP [Microchip Technology]

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 2010 Microchip Technology Inc.

DS22234A-page 5

MCP1640/B/C/D

2.0

TYPICAL PERFORMANCE CURVES

Note: Unless otherwise indicated, VIN = EN = 1.2V, COUT =CIN =10 µF, L =4.7 µH, VOUT =3.3V, ILOAD =15 mA, TA =+25°C.

FIGURE 2-1:

VOUT IQ vs. Ambient

Temperature in PFM Mode.

FIGURE 2-2:

VOUT IQ vs. Ambient

Temperature in PWM Mode.

FIGURE 2-3:

Maximum IOUT vs. VIN.

FIGURE 2-4:

2.0V VOUT PFM / PWM

Mode Efficiency vs. IOUT.

FIGURE 2-5:

3.3V VOUT PFM / PWM

Mode Efficiency vs. IOUT.

FIGURE 2-6:

5.0V VOUT PFM / PWM

Mode Efficiency vs. IOUT.

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein are

not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

10.0

12.5

15.0

17.5

20.0

22.5

25.0

27.5

-40

-25

-10

5

20

35

50

65

80

Ambient Temperature (°C)

VOUT = 2.0V

V

OUT = 5.0V

V

OUT = 3.3V

VIN = 1.2V

150

175

200

225

250

275

300

-40

-25

-10

5

20

35

50

65

80

Ambient Temperature (°C)

VOUT = 3.3V

VOUT = 5.0V

VIN = 1.2V

0

100

200

300

400

500

600

00.511.522.533.544.5

5

VIN (V)

VOUT = 3.3V

VOUT = 2.0V

VOUT = 5.0V

0

10

20

30

40

50

60

70

80

90

100

0.01

0.1

1

10

100

1000

IOUT (mA)

V

OUT = 2.0V

VIN = 0.8V

V

IN = 1.2V

VIN = 1.6V

PWM / PFM

PWM ONLY

0

10

20

30

40

50

60

70

80

90

100

0.01

0.1

1

10

100

1000

IOUT (mA)

VOUT = 3.3V

VIN = 0.8V

VIN = 1.2V

VIN = 2.5V

PWM / PFM

PWM ONLY

0

10

20

30

40

50

60

70

80

90

100

0.01

0.1

1

10

100

1000

IOUT (mA)

PWM / PFM

PWM ONLY

VOUT = 5.0V

VIN = 1.2V

VIN = 1.8V

VIN = 2.5V

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MCP1640T-IMC Datasheet(PDF) 5 Page - Microchip Technology

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