MAX8647_0709 datasheet(6/15 Pages) MAXIM

No de pièce	MAX8647_0709

Description	Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN

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Ultra-Efficient Charge Pumps for

Six White/RGB LEDs in 3mm x 3mm Thin QFN

6

_______________________________________________________________________________________

0

10

5

20

15

25

30

-40

10

-15

35

60

85

LED CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

400ns/div

1x MODE OPERATING WAVEFORMS

(VIN = 4V)

VIN

IIN

100mA/div

AC-COUPLED

100mV/div

20mA/div

MAX8647/48 toc14

ILED

0A

ALL LEDs ON

ILED = 24mA

400ns/div

1.5x MODE OPERATING WAVEFORMS

(VIN = 3V)

VIN

IIN

100mA/div

AC-COUPLED

100mV/div

20mA/div

MAX8647/48 toc15

ILED

0A

ALL LEDs ON

ILED = 24mA

1ms/div

STARTUP AND SHUTDOWN

(MAX8648)

VEN_

VIN

IIN

200mA/div

AC-COUPLED

20mV/div

2V/div

MAX8647/48 toc16

ILED5

0A

2V/div

ENA = ENB = ENC

10ms/div

SINGLE-WIRE PULSE DIMMING

(MAX8648)

VEN_

20mA/div

MAX8647/48 toc17

TOTAL ILED5

0A

5V/div

OPERATING IN 1x

MODE, ALL 6 LEDs

OPERATING

1ms/div

LINE-TRANSIENT RESPONSE

(VIN = 4.3V TO 3.8V TO 4.3V)

VIN

IIN

24mA

20mA/div

200mA/div

MAX8647/48 toc18

ILED6

0A

4.3V

3.8V

1ms/div

LINE-TRANSIENT RESPONSE WITH MODE

CHANGE (VIN = 3.8V TO 3.4V TO 3.8V)

VIN

IIN

24mA

20mA/div

200mA/div

MAX8647/48 toc19

ILED6

0mA

3.8V

3.4V

Typical Operating Characteristics (continued)

(VIN = 3.6V, VEN_ = VIN, circuit of Figure 1, TA = +25°C, unless otherwise noted.)

Numéro de pièce similaire - MAX8647_0709

Fabricant	No de pièce	Fiches technique	Description
Maxim Integrated Produc...	MAX8647ETE++	265Kb / 15P	Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN Rev 0; 4/07

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Description similaire - MAX8647_0709

Fabricant	No de pièce	Fiches technique	Description
Maxim Integrated Produc...	MAX8647	265Kb / 15P	Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN Rev 0; 4/07
	MAX8847Y	1Mb / 13P	High-Performance Negative Charge Pump for 6 White LEDs in 3mm x 3mm Thin QFN 19-5196; Rev 0; 4/10
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	MAX8630W	242Kb / 12P	125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN Rev 0; 5/07
	MAX8630	248Kb / 12P	125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN Rev 0; 5/07
	MAX8608Y	400Kb / 11P	125mA 1x/1.5x Charge Pumps for 5 White LEDs in 3mm x 3mm TDFN Rev 0; 10/05
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MAX8647_0709 Fiches technique(PDF) 6 Page - Maxim Integrated Products

MAX8647_0709 Fiches technique(HTML) 6 Page - Maxim Integrated Products

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