RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 6

• 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
www.richtek.com
6
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Output Voltage Load Regulation
FB Threshold for PGOOD
Transition
PGOOD1 Pull-Down Resistance
EN1 Input High
EN1 Input Low
LDO1 (V
Input Voltage Range
Feed Back Voltage
Output Noise Voltage
Quiescent Current
Shutdown Current
EN2 Pin Current
Current Limit
Dropout Voltage
Load Regulation
Line Regulation
Power Supply Rejection Ratio,
f = 100kHz
FB Threshold for PGOOD
Transition
PGOOD2 Pull-Down Resistance
EN2 Input High
EN2 Input Low
LDO2 (V
Input Voltage Range
Feed Back Voltage
Output Noise Voltage
Quiescent Current
Shutdown Current
EN3 Pin Current
IN
IN
= V
= V
Parameter
OUT
OUT
+ 0.5V, V
+ 0.5V, V
EN
EN
= VI
= V
IN
IN
T
ΔT
V
V
e
I
I
I
I
V
ΔV
ΔV
PSRR
V
V
e
I
I
I
, C
Symbol
Q
SHDN
EN2
LIM
Q
SHDN
EN3
, C
SD
NO
NO
IN2
FB2
DROP
IN3
FB3
SD
LOAD
LINE
IN
IN
= C
= C
OUT
OUT
(Note 5)
Measured by sever loop, EA
output from 0.253V to 0.853V
V
V
EN2 = 0
Measured EN leakage current.
EN2 = 5.5V
R
I
1mA < I
V
V
I
I
V
V
EN1 = 0
Measured EN leakage current.
EN3 = 5.5V
OUT2
OUT2
OUT2
OUT2
EN2
IN2
IN2
OUT3
EN3
LOAD
= 1uF (Ceramic))
= 1uF (Ceramic))
> 2.7V
= (V
= 5V, I
= 5V, I
= 500mA, V
= 1mA
= 300mA
= 1.5V, I
= 1.5V, I
= 0Ω
OUT2
Test Conditions
OUT2
OUT2
OUT3
< 500mA,
+ 0.5) to 5.5V
OUT2
OUT3
= 0mA
= 0mA
IN2
= 1mA
= 1mA
> 2.7V
0.784
0.784
0.68
Min
1.4
2.4
0.7
1.4
2.4
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
DS8023-02 February 2011
0.01
0.72
0.01
0.72
Typ
250
145
0.1
0.9
0.1
30
35
40
30
35
25
--
--
--
--
--
--
--
--
--
--
--
--
1
To be continued
0.816
0.816
Max
0.76
0.76
100
400
120
0.4
5.5
1.2
0.2
0.4
5.5
60
60
1
--
--
--
--
--
--
2
1
2
1
--
--
μV
μV
Unit
%/V
mV
μA
μA
μA
dB
μA
μA
μA
°C
%
%
Ω
Ω
V
V
V
V
V
A
V
V
V
V
V
RMS
RMS