MAX8630W Просмотр технического описания (PDF) - Maxim Integrated
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MAX8630W Datasheet PDF : 12 Pages
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125mA 1x/1.5x Charge Pumps for 5 White LEDs
in 3mm x 3mm TDFN
1μF
1μF
2.7V TO 5.5V
1μF
ENABLE MAIN
ON/OFF AND
SERIAL DIMMING
ENABLE SUB
ON/OFF AND
SERIAL DIMMING
C1P C1N
IN
OUT
GND MAX8630X
LED1
LED2
ENM
LED3
LED4
ENS
LED5
C2P C2N
1μF
MAIN
SUB
2.7V TO 5.5V
C1P C1N
IN
OUT
1μF
1μF
GND MAX8630W
LED1
CPWM
LED2
0.1μF
LED3
DIRECT PWM
SIGNAL
LED4
PWM
LED5
C2P C2N
1μF
Figure 1. Typical Applications Circuit with the MAX8630X
1μF
Figure 2. Typical Applications Circuit with the MAX8630W
C1
C2
1μF
1μF
INPUT
2.7V TO 5.5V
IN
CIN
1μF
GND
C1P C1N
C2P C2N
1x/1.5x REGULATING
CHARGE PUMP
ERROR
AMP 1
OVD
ENS
(PWM)
ENM
(CPWM)
CONTROL AND
REFERENCE
0.12V
SUB CONTROL
MAIN CONTROL
0.6V
MIN
SELECT
MAX8630W
ONLY
ERROR
AMP 2
0.6V
RSET
+
+
–
–
1.25V
+
+
–
–
MAX8630W
MAX8630X
OUT
COUT
1μF
LED1
D1
LED2
D2
LED3
D3
LED4
D4
LED5
D5
+
–
Figure 3. Functional Diagram
( ) ARE FOR MAX8630W
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