RT8020GQW Richtek USA Inc, RT8020GQW Datasheet - Page 7

• Manufacturer Part Number: RT8020GQW
• Description: IC DCDC CONV STP-DN DUAL 12WDFN
• Manufacturer: Richtek USA Inc
• Type: Step-Down (Buck), PWMr

Specifications of RT8020GQW

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 V ~ 5.5 V
• Current - Output: 1A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-WFDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS8020-04 February 2011
1.230
1.225
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
2.5
2.5
0
Output Current Limit vs. Input Voltage
Switching Frequency vs. Input Voltage
Output Voltage vs. Loading Current
2.8
2.8
0.1
3.1
3.1
0.2
V
3.4
3.4
0.3
IN
Loading Current (A)
Input Voltage (V)
Input Voltage (V)
= 3.6V, V
3.7
3.7
0.4
V
V
IN
IN
0.5
4
4
= 5.0V
= 3.6V
OUT
V
OUT
4.3
4.3
0.6
= 1.2V, I
= 1.2V @ T
4.6
4.6
0.7
OUT
0.8
4.9
4.9
= 300mA
A
= 25 C
5.2
0.9
5.2
5.5
5.5
1
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
1.55
1.45
1.35
1.25
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.6
1.5
1.4
1.3
1.2
-40 -25 -10
-40 -25 -10
-40 -25 -10
Switching Frequency vs. Temperature
Output Current Limit vs. Temperature
Output Voltage vs. Temperature
V
V
IN
IN
= 3.6V
= 3.3V
V
5
5
5
Temperature
Temperature
Temperature
IN
V
IN
= 3.6V, V
20
20
20
= 5.0V
35
35
35
OUT
50
50
50
( C)
( C)
( C)
= 1.2V, I
V
65
65
65
RT8020
IN
www.richtek.com
= 3.6V, I
80
80
80
OUT
V
OUT
95 110 125
95 110 125
95 110 125
= 300mA
OUT
= 1.2V
= 0A
7