RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 4

• 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
Function Block Diagram
www.richtek.com
4
VDD1
VIN2
VIN3
EN1
EN2
EN3
FB1
FB2
FB3
POR
OT
0.8V
VREF2
VREF3
0.72V
0.4V
OTP
POR
EA
0.8V
0.8V
Soft Start
Internal-
Output
Clamp
Compensation
OSC
Current Limit
Current Limit
Slope
EA
EA
Control
Logic
ISEN
Limit
OC
0.72V
0.72V
Driver
DS8023-02 February 2011
PGOOD2
VIN1
PHASE1
GND
PGOOD1
VOUT2
VOUT3
PGOOD3