RT9300AGE Richtek USA Inc, RT9300AGE Datasheet - Page 8

• Manufacturer Part Number: RT9300AGE
• Description: IC LED DVR WHITE BCKLGT SOT23-6
• Manufacturer: Richtek USA Inc

Specifications of RT9300AGE

• Constant Current: Yes
• Internal Driver: Yes
• Type - Primary: Backlight, General Purpose
• Type - Secondary: White LED
• Mounting Type: Surface Mount
• Topology: Linear (LDO), PWM
• Number Of Outputs: 4
• Voltage - Supply: 2.5 V ~ 5.5 V
• Package / Case: SOT-23-6
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Voltage - Output: -

RT9300A/B
Layout Considerations
For best performance, careful PCB layout is necessary.
All peripheral components should be placed as close to
the IC as possible. A short connection is highly
recommended. The following guidelines should be strictly
followed when designing a PCB layout for the RT9300A/
B.
www.richtek.com
8
All the traces of LED and VIN running from chip to LEDs
should be wide and short to reduce the parasitic
connection resistance.
The capacitor should be placed close to the anodes of
LEDs and connected to ground plane.
The GND should be connected to a strong ground plane
for heat sinking and noise protection.
The GND should be
connected to a strong
ground plane for heat
sinking and noise
protection.
Battery
PWM
All the traces of LED and VIN running from
chip to LEDs should be wide and short to
reduce the parasitic connection resistance.
GND
Figure 2
LED1
EN
1
6
LED2
GND
5
2
LED4
LED3
3
4
DS9300A/B-04 October 2008