RT8023GQW Richtek USA Inc, RT8023GQW Datasheet - Page 5

• 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

Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(T
DS8023-02 February 2011
Step-down converter
Input Voltage Range
Feedback Voltage
Under Voltage Lockout Threshold
DC Bias Current
Shutdown Current
Switch On Resistance, High
Switch On Resistance, Low
Peak Current Limit
Switching Frequency
Output Voltage Line Regulation
Supply Input Voltage, VIN1, VIN2 ---------------------------------------------------------------------------- −0.3V to 6V
Output Pin Voltage ---------------------------------------------------------------------------------------------- −0.3V to (V
PHASE Pin Voltage --------------------------------------------------------------------------------------------- −0.3V to (V
Other I/O Pin Voltages ------------------------------------------------------------------------------------------ −0.3V to 6V
Power Dissipation, P
WQFN-24L 4x4 --------------------------------------------------------------------------------------------------- 1.923W
Package Thermal Resistance (Note 2)
WQFN-24L 4x4, θ
WQFN-24L 4x4, θ
Junction Temperature ------------------------------------------------------------------------------------------- 150°C
Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------- 260°C
Storage Temperature Range ----------------------------------------------------------------------------------- −65°C to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Mode) ------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------- 200V
Supply Input Voltage, Converter ------------------------------------------------------------------------------ 2.6V to 5.5V
Supply Input Voltage, LDOs ----------------------------------------------------------------------------------- 2.4V to 5.5V
Junction Temperature Range ---------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range ---------------------------------------------------------------------------------- −40°C to 85°C
A
= 25°C, unless otherwise specified)
Parameter
JA
JC
--------------------------------------------------------------------------------------------- 52°C/W
--------------------------------------------------------------------------------------------- 7°C/W
D
@ T
A
= 25°C
V
V
V
I
R
R
I
Symbol
SHDN
LIM
IN1
FB1
UVLO
FET_H
FET_L
(Note 1)
V
V
Active, V
Not Switching
EN2 = 0
I
I
V
PHASE
PHASE
DD1
DD1
IN1
= 2.6V to 5.5V
Rising
Hysteresis
= 0.5A
= 0.5A
Test Conditions
FB
= 0.75V,
(Note 4)
0.784
2.24
Min
2.6
1.7
--
--
--
--
--
--
1
2.36
0.01
Typ
150
300
150
2.3
1.2
90
--
--
--
RT8023
0.816
To be continued
www.richtek.com
Max
2.48
270
150
5.5
3.2
1.4
--
--
2
1
IN1
IN2
+ 0.3V)
+ 0.3V)
MHz
Unit
%/V
mΩ
mΩ
mV
μA
μA
V
V
V
A
5