RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 2

• 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
Pin Configurations
Typical Application Circuit
www.richtek.com
2
Note : Must to use ceramic X5R/X7R capacitors.
1.2V/1.5A
V
OUT1
PGOOD1
EN1
EN2
EN3
V
IN1
Figure 1. 1.2V Output Step-Down Converter and Dual 2.5V Output Regulators
22uF
C5
R3 100k
L1 2.2µH
10µF
C1
200k
100k
R4
R2
8, 9
24
15
16
23
PGOOD1
1
3, 4, 5
PGOOD1
EN1
EN2
EN3
PHASE1
FB1
PGND
VDD1
VIN1
VIN1
VIN1
100
R1
1
2
3
4
5
6
19
2
RT8023
24
7
WQFN-24L 4x4
0.1µF
C2
(TOP VIEW)
6,
Exposed Pad (25)
23
8
PGND
22
9
PGOOD2
PGOOD3
11
VOUT2
VOUT3
21
10
FB2
FB3
1µF
C3
21
20
11
25
14
17
12
13
20
18
19
12
18
17
16
15
14
13
1µF
C4
R10
200k
R9 425k
FB3
PGOOD3
EN3
EN2
PGOOD2
FB2
100k
R5
1µF
C7
100k
R6
R7 425k
R8
200k
V
V
PGOOD2
PGOOD3
IN2
IN3
DS8023-02 February 2011
1µF
C6
V
2.5V/0.7A
V
2.5V/0.35A
OUT2
OUT3