RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 9
![no-image](/images/no-image-200.jpg)
RT8023GQW
Manufacturer Part Number
RT8023GQW
Description
IC CONV STP-DWN W/2 LDO 24WQFN
Manufacturer
Richtek USA Inc
Datasheet
1.RT8023GQW.pdf
(19 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
RT8023GQW
Manufacturer:
INTERSIL
Quantity:
36 710
(500mV/Div)
(50mV/Div)
DS8023-02 February 2011
(0.5A/Div)
V
V
(1A/Div)
(2V/Div)
OUT1
OUT1
I
I
V
OUT1
IN1
EN1
600
500
400
300
200
100
0
0
LDO1 Dropout Voltage vs. Load Current
V
V
I
OUT1
IN1
IN1
Buck Load Transient Response
100
= 5V, V
= 3.3V, V
= 0A to 1.5A
Buck Power On from EN
OUT1
200
OUT1
Load Current (mA)
Time (100μs/Div)
Time (50μs/Div)
= 1.2V
= 1.2V, I
300
T
A
= 25°C
OUT1
400
T
= 1.5A
A
= 125°C
500
V
OUT2
T
A
600
= -40°C
= 2.5V
700
(500mA/Div)
(500mV/Div)
(5mV/Div)
I
(0.5A/Div)
PHASE1
V
V
(2V/Div)
V
(2V/Div)
(5V/Div)
V
OUT1
I
PGOOD1
OUT1
PHASE1
OUT1
V
EN1
600
500
400
300
200
100
0
LDO2 Dropout Voltage vs. Load Current
0
V
I
V
OUT1
IN1
IN1
I
PHASE1
= 3.3V, V
= 3.3V, V
50
= 1.5A
Buck Switching Waveforms
Buck PGOOD Response
100
OUT1
OUT1
Load Current (mA)
Time (100μs/Div)
Time (1μs/Div)
= 1.2V
= 1.2V, I
T
150
A
= 25°C
OUT1
200
= 1.5A
T
RT8023
A
www.richtek.com
= 125°C
250
V
OUT3
T
A
300
= -40°C
= 2.5V
350
9