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RZ3113/3114/3115
18V/30V/40V/3A
LED
RZ3113/3114/3115
4V 18V RZ3114
VFB
115mV
LED 5 30V RZ3115
5 40V LED
0 100% KHz ESR
ESR
LED RZ3113 3A
EN
PMOS 50KHz
500
RZ3113 4V RZ3114 5V RZ3115 5V 3A 0.115V 0% 100% 50KHz 500 KHz SOP8-EP
18V 30V 40V
LED LED LED
LED
EN 1 Vss 2 OCSET 3 Vcc 4
RZ3113
8 OSC 7 COMP 6 FB 5 SW
ESOP8
FB OCSET
COMP OSC
-
+ -
Reference Voltage Source with Soft Start
+
Oscillation Circuit
PWM-Switched Control Circuit
Thermal VEN Shutdown
EN
Vcc
SW 60uA VSS
V1.0 2011-5
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