RT8055GQW Richtek USA Inc, RT8055GQW Datasheet - Page 8

• 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

(200mV/Div)
RT8055
www.richtek.com
8
V
(5V/Div)
(1V/Div)
(1A/Div)
(2V/Div)
OUT
V
I
V
V
OUT
OUT
LX
IN
Load Transient Response
Power On from V
Time (100μs/Div)
Time (1ms/Div)
V
I
V
I
OUT
OUT
IN
IN
= 5V, V
= 5V, V
= 0A
= 0A to 3A
IN
OUT
OUT
= 3.3V
= 3.3V
(200mV/Div)
V
(5V/Div)
(1A/Div)
(1V/Div)
OUT
V
I
V
OUT
OUT
LX
Load Transient Response
UVP Shutdown
Time (100μs/Div)
Time (10μs/Div)
DS8055-03 March 2011
V
I
V
OUT
IN
IN
= 5V, V
= 5V, V
= 0A to 2A
OUT
OUT
= 3.3V
= 3.3V