RT8055GQW Richtek USA Inc, RT8055GQW Datasheet - Page 5

• 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

Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
Note 2. θ
Note 3. Devices are ESD sensitive. Handling precaution is recommended.
Note 4. The device is not guaranteed to function outside its operating conditions.
Note 5. Guaranteed by design.
DS8055-03 March 2011
Switch On Resistance, High
Switch On Resistance, Low
Peak Current Limit
Under Voltage Lockout
Threshold
Shutdown Threshold
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
JEDEC 51-7 thermal measurement standard. The case point of θ
JA
is measured in the natural convection at T
Parameter
(Note 5)
Symbol
R
)
R
)
I
V
LIM
DS(ON
DS(ON
SHDN
I
I
V
V
V
SW
SW
DD
DD
SHDN
= 0.3A
= 0.3A
Rising @Full Temperature
Falling @Full Temperature
A
= 25°C on a high effective thermal conductivity four layers test board of
Test Conditions
Rising
JC
is on the exposed pad for the package.
2.33
1.98
Min
3.5
--
--
--
V
IN
Typ
100
100
2.4
2.2
− 0.85 V
--
RT8055
IN
www.richtek.com
Max
2.57
2.37
160
170
--
− 0.4
Unit
mΩ
mΩ
A
V
V
V
5