RT9300AGE Richtek USA Inc, RT9300AGE Datasheet - Page 5

• 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: -

Typical Operating Characteristics
DS9300A/B-04 October 2008
Current
Voltage
EN Pin
LED
15.5
15.4
15.3
15.2
15.1
15
18
16
14
12
10
8
6
4
2
0
-40 -30 -20 -10 0
2
(2V/Div)
(10mA/Div)
LED Current vs. Temperature
LED Current vs. Input Voltage
EN Pin Dimming Operation
2.5
Temperature
Input Voltage (V)
3
Time (50us/Div)
10 20 30 40 50 60 70 80 90
LED 1
LED 2
LED 3
LED 4
3.5
(°C)
4
4.5
5
Current
Voltage
EN Pin
LED
400
350
300
250
200
150
100
50
18
16
14
12
10
0
8
6
4
2
0
1.5
1.5
V
V
V
(2V/Div)
(10mA/Div)
IN
EN Current vs. EN Supply Voltage
IN
EN
EN Current vs. EN Supply Voltage
= 3.5V
= 3.7V
1.75
= 0V to 3V
EN Pin Shutdown Response
LED Current vs. EN Voltage
2
LED Current vs. EN Voltage
2
EN Supply Voltage (V)
EN Supply Voltage (V)
2.5
2.25
EN Voltage (V)
Time (50us/Div)
EN Voltage (V)
RT9300A/B
2.5
3
2.75
3.5
www.richtek.com
3
4
3.25
4.5
3.5
5