RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 11

• 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

(20mV/Div)
(50mV/Div)
DS8023-02 February 2011
(0.5A/Div)
V
V
(1V/Div)
I
OUT2
OUT2
OUT2
V
IN2
2.53
2.52
2.51
2.50
2.49
2.48
2.47
-50
LDO1 Output Voltage vs. Temperature
V
V
I
OUT2
IN2
IN2
LDO1 Load Transient Response
LDO1 Line Transient Response
= 2.5V to 3.5V, V
= 5V, V
-25
= 0A to 0.7A
OUT2
0
Temperature
= 1.2V
Time (50μs/Div)
Time (50μs/Div)
25
OUT2
V
= 1.2V, I
IN2
50
= 3.3V, V
(°C)
OUT2
75
= 100mA
OUT2
100
= 2.5V
125
(20mV/Div)
(50mV/Div)
(0.2A/Div)
V
V
(1V/Div)
I
OUT3
OUT3
OUT3
V
IN3
2.53
2.52
2.51
2.50
2.49
2.48
2.47
-50
LDO2 Output Voltage vs. Temperature
V
V
I
OUT3
IN3
IN3
LDO2 Load Transient Response
LDO2 Line Transient Response
= 2.5V to 3.5V, V
= 5V, V
-25
= 0A to 0.35A
OUT3
0
Temperature
Time (50μs/Div)
Time (50μs/Div)
= 1.2V
25
OUT3
V
= 1.2V, I
IN3
50
= 3.3V, V
(°C)
RT8023
www.richtek.com
OUT3
75
OUT3
= 100mA
100
= 2.5V
11
125