MAX828CSLASHD datasheet(4/8 Pages) MAXIM

Il numero della parte	MAX828C/D

Spiegazioni elettronici	Switched-Capacitor Voltage Inverters

PDF	8 Pages

Scroll/Zoom	100%

Produttore elettronici	MAXIM [Maxim Integrated Products]

Homepage	https://www.maximintegrated.com/en.html

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_____________________Pin Description

Switched-Capacitor Voltage Inverters

_______________________________________________________________________________________

____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 1, VIN = +5V, C1 = C2 = C3, TA = +25°C, unless otherwise noted.)

0.5

-5.5

OUTPUT VOLTAGE

vs. OUTPUT CURRENT

-4.5

-0.5

OUTPUT CURRENT (mA)

45 50

-1.5

-2.5

-3.5

VIN = 3.3V

VIN = 5.0V

VIN = 2.0V

100

EFFICIENCY vs. OUTPUT CURRENT

OUTPUT CURRENT (mA)

VIN = 2.0V

VIN = 3.3V

VIN = 5.0V

VOUT

20mV/div

MAX828

OUTPUT NOISE AND RIPPLE

VIN = 3.3V, VOUT = -3.2V, IOUT = 5mA, AC COUPLED

µs/div

Flying Capacitor’s Positive Terminal

C1+

Ground

GND

Flying Capacitor’s Negative Terminal

C1-

Positive Power-Supply Input

Inverting Charge-Pump Output

OUT

FUNCTION

NAME

VOLTAGE INVERTER

OUT

C1+

VIN

3.3

µF*

*10

µF

(MAX828)

3.3

µF*

3.3

µF*

VOUT

GND

C1-

MAX828

MAX829

Figure 1. Test Circuit

VOUT

20mV/div

MAX829

OUTPUT NOISE AND RIPPLE

VIN = 3.3V, VOUT = -3.2V, IOUT = 5mA, AC COUPLED

µs/div

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