RT8055GQW Richtek USA Inc, RT8055GQW Datasheet - Page 7

• Manufacturer Part Number: RT8055GQW
• Description: IC DCDC CONV STP-DN SYNC 10WDFN
• Manufacturer: Richtek USA Inc
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of RT8055GQW

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 V ~ 5 V
• Current - Output: 3A
• Frequency - Switching: 300kHz ~ 2MHz
• Voltage - Input: 2.6 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-WFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS8055-03 March 2011
(5mV/Div)
(5V/Div)
V
OUT
V
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
LX
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
3.5
-50
Output Current Limit vs. Input Voltage
3.7
Output Voltage vs. Temperature
-25
3.9
4.1
0
Temperature (°C)
Input Voltage (V)
Output Ripple
Time (500ns/Div)
4.3
25
4.5
50
V
I
V
I
OUT
4.7
OUT
IN
IN
= 5V, V
= 5V, V
= 3A
= 0A
4.9
75
V
OUT
5.1
OUT
OUT
100
= 3.3V
= 3.3V
= 3.3V
5.3
125
5.5
(5mV/Div)
(5V/Div)
V
0.840
0.832
0.824
0.816
0.808
0.800
0.792
0.784
0.776
0.768
0.760
OUT
V
LX
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
-50
-50
Output Current Limit vs. Temperature
Reference Voltage vs. Temperature
-25
-25
0
0
Temperature (°C)
Temperature (°C)
Output Ripple
Time (500ns/Div)
25
25
50
50
V
I
V
OUT
IN
IN
RT8055
= 5V, V
= 5V, V
www.richtek.com
= 0A
75
75
OUT
OUT
100
100
= 3.3V
= 3.3V
125
125
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