CL330
Lowering CL330 Power Dissipation: Dropping Resistor
VLL
RDROP
CIN
100nF
VLL(MIN) - ±.5V
2.3mA
8
7
±
5
RDROP
<
VIN
OUT1
OUT2
OUT3
where: RDROP = Dropping resistance
REG
VDD
VLL(MIN) = minimum supply voltage
Host
Controller
1
2
3
EN1
EN2
EN3
GND
4
CL330
Lowering CL330 Power Dissipation: Zener Diode
VLL
ZDROP
CIN
100nF
8
7
±
5
VIN
OUT1
OUT2
OUT3
REG
VDD
VZ < (VLL(MIN) - ±.5V)
Host
Controller
1
2
3
EN1
where: VZ = Zener Voltage
EN2
EN3
VLL(MIN) = minimum supply voltage
GND
4
CL330
±