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ISL1903 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Dimmable Buck LED Driver - AC Mains or DC Input LED Driver - Renesas

भाग संख्या ISL1903
समारोह Dimmable Buck LED Driver - AC Mains or DC Input LED Driver
मैन्युफैक्चरर्स Renesas 
लोगो Renesas लोगो 
पूर्व दर्शन
1 Page
		
<?=ISL1903?> डेटा पत्रक पीडीएफ

ISL1903 pdf
Functional Block Diagram - ISL1903
VREF
VDD
GND
UVLO
+
-
BG
OTP
SHUTDOWN
150°C TO 170°C
BIAS AND
REFERENCE
GENERATOR
BIAS/UVLO/OTP
DUTY CYCLE TO
VOLTAGE CONVERTER
LOW PASS FILTER
REFERENCE OUT
MASTER
OSCILLATOR
CLK
TRIANGLE WAVE
GENERATOR
CLK
DIMMING PWM
-
+
AC
OFFREF
IOUT
CS+
DELADJ
OC
RAMP
PEAK
REF
DAECTEDCETTOERCTION
-
+
AC-PRESENT
+
-
ISENSE
PRIMARY CURRENT
SENSE PROCESSOR
IOUT
MINIMUM DIMMING LEVEL
CONTROL
+
-
INHIBIT
REFINBUFF
+
+
_
REFERENCE
SS BUFFER
-
+
CRCM
DETECTOR
QUASI-ZVS
DELAY
FMAX
CLAMP
FMIN
CLAMP
LEADING
EDGE
BLANKING
+
600mV -
PRIMARY OC
200mV
VERR/5
SS/5
+
-- PWM
COMPARATOR
1/5 1/5
EA1
+
-
SQ
RQ
PWM LATCH
PWM
SS
REFINBUFF
VERR
CRCM OSCILLATOR/PWM/ERROR AMPLIFIERS
VERR
FB1
INHIBIT
REFERENCE SS
VERR CLAMP
-
+
SOFT-START/POR/OVP
DHC
PWMOUT
OUT
+
- 1.50V
SS
ENABLE
300ms
SOFT-START
OVP
SS LOW +
-
0.25V
FAULT LATCH
SQ
RQ

विन्यास 19 पेज
डाउनलोड[ ISL1903 Datasheet.PDF ]


शेयर लिंक


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