RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 8

• Manufacturer Part Number: RT8023GQW
• Description: IC CONV STP-DWN W/2 LDO 24WQFN
• Manufacturer: Richtek USA Inc

Specifications of RT8023GQW

• Topology: Step-Down (Buck) Synchronous (1), Linear (LDO) (2)
• Function: Any Function
• Number Of Outputs: 3
• Frequency - Switching: 1.2MHz
• Voltage/current - Output 1: 0.8 V ~ 5 V, 1.5A
• Voltage/current - Output 2: 0.8 V ~ 5 V, 700mA
• Voltage/current - Output 3: 0.8 V ~ 5 V, 350mA
• W/led Driver: No
• W/supervisor: No
• W/sequencer: Yes
• Voltage - Supply: 2.4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT8023
Typical Operating Characteristics
www.richtek.com
8
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
1.30
1.25
1.20
1.15
1.10
1.05
1.00
100
90
80
70
60
50
40
30
20
10
0
-50
2.5
0.1
Buck Output Voltage vs. Temperature
Buck Efficiency vs. Output Current
Buck Frequency vs. Input Voltage
-25
0.3
3
0.5
0
Temperature (°C)
Output Current (A)
3.5
Input Voltage (V)
0.7
25
V
4
OUT1
50
0.9
= 1.2V, I
4.5
V
V
1.1
75
IN1
IN1
V
V
OUT1
V
OUT1
OUT1
= 3.3V
= 5.5V
V
IN1
IN1
100
5
1.3
= 3.3V
= 1.2V
= 1.2V
= 0.1A
= 5V
125
1.5
5.5
1.203
1.202
1.201
1.200
1.199
1.198
1.197
1.196
1.30
1.25
1.20
1.15
1.10
1.05
1.00
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
-50
-50
0
Buck Output Voltage vs. Load Current
V
V
V
V
IN1
IN1
IN1
Buck Current Limit vs. Temperature
IN1
0.15 0.3 0.45 0.6 0.75 0.9 1.05 1.2 1.35 1.5
Buck Frequency vs. Input Voltage
= 5.5V
= 3.3V
= 3.3V
= 5.5V
-25
-25
V
V
IN1
IN1
0
0
= 3.3V
= 5.5V
Temperature
Input Voltage (V)
Load Current (A)
25
DS8023-02 February 2011
25
V
OUT1
50
50
(°C)
= 1.2V, I
75
75
V
V
OUT1
OUT1
OUT1
100
100
= 0.1A
= 1.2V
= 1.2V
125
125