RT9361BGE Richtek USA Inc, RT9361BGE Datasheet - Page 7

• Manufacturer Part Number: RT9361BGE
• Description: IC DC-DC CONV CHRG PUMP SOT23-6
• Manufacturer: Richtek USA Inc

Specifications of RT9361BGE

• Internal Driver: Yes
• Type - Primary: Backlight, Flash/Torch
• Type - Secondary: White LED
• Mounting Type: Surface Mount
• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Frequency: 800kHz ~ 1.3MHz
• Voltage - Supply: 2.8 V ~ 4.5 V
• Voltage - Output: 4.5V
• Package / Case: SOT-23-6
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS9361A/B-12
PWM
V
V
I
OUT
OUT
CN
OUT
V
V
160
150
140
130
120
110
100
I
IN
IN
IN
90
80
70
60
50
40
30
20
10
Maximum Output Current vs. Input Voltage
0
2.8
(2V/Div)
(2V/Div)
(2V/Div)
(50mA/Div)
(1V/Div)
(2V/Div)
(2V/Div)
(50mA/Div)
3
September 2009
3.2 3.4 3.6 3.8
Dimming Operation
Normal Operation
Input Voltage (V)
Time (400ns/Div)
Time (40μs/Div)
T
T
T
T
A
A
A
A
= 25°C
= -40°C
= -20°C
= 85°C
V
4
IN
= 2.8V, I
4.2 4.4 4.6 4.8
OU T
V
IN
= 60mA
= 3.7V
5
PWM
V
V
I
OUT
OUT
V
V
OUT
CN
I
IN
IN
IN
(50mA/Div)
(2V/Div)
(2V/Div)
(2V/Div)
(2V/Div)
(2V/Div)
(2V/Div)
(50mA/Div)
Dimming Operation
Normal Operation
Time (400ns/Div)
Time (10ms/Div)
RT9361A/B
V
IN
= 5V, I
www.richtek.com
OUT
V
IN
= 60mA
= 3.7V
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