RT8008GB Richtek USA Inc, RT8008GB Datasheet - Page 6

• Manufacturer Part Number: RT8008GB
• Description: IC DC-DC REG STP-DN SYNC SOT23-5
• Manufacturer: Richtek USA Inc
• Type: Step-Down (Buck), PWMr

Specifications of RT8008GB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 V ~ 5.5 V
• Current - Output: 600mA
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT8008
Typical Operating Characteristics
www.richtek.com
6
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
1.50
1.48
1.45
1.43
1.40
1.38
1.35
100
90
80
70
60
50
40
0.01
2.5
0
V
V
IN
IN
Output Voltage vs. Load Current
= 3.3V
= 5V
0.11
0.1
Frequency vs. Input Voltage
3
Efficiency vs. Load Current
0.21
0.2
3.5
Input Voltage (V)
Load Current (A)
Load Current (A)
0.31
0.3
V
4
OUT
V
IN
= 3.3V
= 1.2V, I
0.41
0.4
4.5
OUT
V
V
OUT
OUT
V
0.51
0.5
IN
V
= 300mA
5
IN
= 1.2V
= 2.5V
= 1.2V
= 5V
0.61
0.6
5.5
1.50
1.48
1.45
1.43
1.40
1.38
1.35
100
2.5
2.0
1.5
1.0
0.5
0.0
90
80
70
60
50
40
2.5
2.5
-50
I
I
OUT
OUT
= 300mA
= 600mA
Current Limit vs. Input Voltage
-25
Frequency vs. Temperature
Efficiency vs. Input Voltage
3
3
0
Temperature (°C)
3.5
3.5
Input Voltage (V)
Input Voltage (V)
25
DS8008-06 March 2011
V
4
4
OUT
50
= 1.2V, I
4.5
4.5
75
OUT
V
V
OUT
OUT
= 300mA
5
5
100
= 1.2V
= 1.2V
125
5.5
5.5