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RT6365GSP, in 3D

RT6365GSP

Richtek Tech

-40℃~+150℃@(TJ) 1 100uA 2.5MHz 4V~60V 5A 800mV~60V Adjustable Buck Buck Built-in No SOP-8-EP DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCrichtek-tech/RT6365GSP
Category
DC DC Converters
Package
SOP-8-EP
Pins
9

Overview

The RT6365GSP is a DC DC Converter made by Richtek Tech in a SOP-8-EP package with 9 pins. -40℃~+150℃@(TJ) 1 100uA 2.5MHz 4V~60V 5A 800mV~60V Adjustable Buck Buck Built-in No SOP-8-EP DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:RTQ6363GSP, from EasyEDA) and its footprint (EasyEDA_Cloud:SOP-8_L5.0-W3.9-P1.27-LS6.0-BL-EP, from EasyEDA), ready for a KiCad board. 8,775 are in stock at JLCPCB (part C3024482). 1 open-source board in 1 repository on GitHub use it.

Symbol

BOOT1VIN2EN3RT/SYNC4FB5COMP6GND7SW8EP9
EasyEDA_Cloud:RTQ6363GSPFrom EasyEDA

Footprint

123456789
EasyEDA_Cloud:SOP-8_L5.0-W3.9-P1.27-LS6.0-BL-EPFrom EasyEDA

From the datasheet

16
Supply, least
4 V · VIN, min operating voltage after soft-start is finished · p. 11
Supply, most
60 V · VIN, max operating voltage after soft-start is finished · p. 11
Supply, absolute maximum
65 V · VIN, absolute maximum · p. 10
Junction, hottest
150 °C · Junction temperature, absolute maximum · p. 10
Takes working
100 µA · Typical quiescent current, enabled, VFB = 0.83V, not switching · p. 11
Takes asleep
2.25 µA · Typical shutdown current, VEN = 0V · p. 11
Gives
5 A · Rated continuous output current · p. 1
Current limit
7.5 A · Typical peak current limit, fSW = 500kHz, VOUT = 5V · p. 11
Feedback reference
800 mV · Typical feedback reference voltage · p. 11
Switches at
105 kHz · Typical switching frequency, RRT/SYNC = 1MΩ · p. 12
Switches at
500 kHz · Typical switching frequency, RRT/SYNC = 200kΩ · p. 12
Switches at
2.45 MHz · Typical switching frequency, RRT/SYNC = 37.4kΩ · p. 12
Junction to air (SOP-8 (Exposed pad))
30.4 K/W · Junction-to-ambient thermal resistance, JEDEC standard · p. 10
Junction to air (SOP-8 (Exposed pad))
30 K/W · Junction-to-ambient thermal resistance, specific EVB · p. 10
Junction to case (SOP-8 (Exposed pad))
73.9 K/W · Junction-to-case, top, thermal resistance · p. 10
Junction to board (SOP-8 (Exposed pad))
13.2 K/W · Junction-to-board characterization parameter, ψJB · p. 10

What it is and has

12
Control
Peak current mode · p. 1
Output voltage range
0.8V to VIN · p. 1
Reference accuracy
0.8V ±1% · p. 1
Integrated high-side MOSFET
70mΩ · p. 1
Adjustable switching frequency
100kHz to 2.5MHz · p. 1
External synchronization
300kHz to 2.2MHz · p. 1
Light-load operation
Power Saving Mode (PSM) · p. 1
Enable control
Enable pin · p. 1
UVLO
Adjustable voltage and hysteresis · p. 1
Protection
UVLO, UVP, OVP, OCP, OTP · p. 1
Soft-start
Internal soft-start, RT6365GSP · p. 7
Lead plating
Green, halogen free and Pb free · p. 2

Around it

3
cap 0.1F
between BOOT and SW; Ceramic bootstrap capacitor for the high-side gate driver. · p. 3
cap four 2.2F or larger
between VIN and GND; Ceramic input capacitors; the description additionally specifies two capacitors with typical capacitance 4.7uF. · p. 3
cap 4.7F
between VIN and GND; Two input capacitors with this typical capacitance, alongside the four 2.2uF or larger ceramic capacitors. · p. 3

Specifications

53
ParameterConditionsAs printedPage
Supply Voltage, VIN VINmin -0.3 · max 65 V10
Enable Voltage, EN ENmin -0.3 · max 65 V10
Switch Voltage, SW SWmin -0.6 · max 65 V10
SW (t ≤ 100ns) SWt ≤ 100nsmin -5 · max 70 V10
Power Good Voltage, PGOOD PGOODmin -0.3 · max 65 V10
BOOT to SW (BOOT−SW) BOOT−SWmin -0.3 · max 6 V10
All Other Pinsmin -0.3 · max 6 V10
Lead Temperature (Soldering, 10 sec.)Soldering, 10 sec.max 260 °C10
Junction Temperaturemax 150 °C10
Storage Temperature Rangemin -65 · max 150 °C10
HBM (Human Body Model)max 2 kV10
Supply Input Voltage, VIN VINmin 4 · max 60 V10
Output VoltageUpper limit is VINmin 0.8 V10
Junction Temperature Rangemin -40 · max 125 °C10
Junction-to-ambient thermal resistance (JEDEC standard) JASOP-8 (Exposed pad); JEDEC 51-7, TA = 25°Ctyp 30.4 C/W10
Junction-to-case (top) thermal resistance JC(Top)SOP-8 (Exposed pad); JEDEC 51-7, TA = 25°Ctyp 73.9 C/W10
Junction-to-case (bottom) thermal resistance JC(Bottom)SOP-8 (Exposed pad); JEDEC 51-7, TA = 25°Ctyp 3.4 C/W10
Junction-to-ambient thermal resistance (specific EVB) JA(EVB)SOP-8 (Exposed pad); four-layer 70mm x 50mm board, outer layers 2 oz. Cu, inner layers 1 oz. Cutyp 30 C/W10
Junction-to-top characterization parameter JC(Top)SOP-8 (Exposed pad); four-layer 70mm x 50mm board, outer layers 2 oz. Cu, inner layers 1 oz. Cutyp 5 C/W10
Junction-to-board characterization parameter JBSOP-8 (Exposed pad); four-layer 70mm x 50mm board, outer layers 2 oz. Cu, inner layers 1 oz. Cutyp 13.2 C/W10
Input Operating Voltage VINVIN = 12V, TA = TJ = 25°C unless otherwise specified; After soft-start is finishedmin 4 · max 60 V11
VIN Under-Voltage Lockout Threshold VUVLOHTA = TJ = 25°C; VIN risingmin 4.1 · typ 4.3 · max 4.5 V11
VIN Under-Voltage Lockout Threshold VUVLOLTA = TJ = 25°C; VIN fallingmin 3.8 · typ 3.9 · max 4 V11
Shutdown Current ISHDNVIN = 12V, TA = TJ = 25°C; VEN = 0Vtyp 2.25 · max 5 A11
Quiescent Current IQVIN = 12V, TA = TJ = 25°C; VEN = 2V, VFB = 0.83V, not switchingtyp 100 · max 135 A11
Enable Threshold Voltage VTH_ENVIN = 12V, TA = TJ = 25°Cmin 1.1 · typ 1.2 · max 1.3 V11
Enable to COMP ActiveVIN = 12V, TA = 25Ctyp 540 s11
Pull-Up Current IENVIN = 12V, TA = TJ = 25°C; VTH_EN + 50mVtyp 4.6 A11
Pull-Up Current IENVIN = 12V, TA = TJ = 25°C; VTH_EN  50mVmin 0.58 · typ 1.2 · max 1.8 A11
Hysteresis Current IEN_HysVIN = 12V, TA = TJ = 25°Cmin 2.2 · typ 3.4 · max 4.5 A11
Reference Voltage VREFVIN = 12V, TA = TJ = 25°Cmin 0.792 · typ 0.8 · max 0.808 V11
High-Side Switch On-Resistance RDS(ON)_HTA = TJ = 25°C; VIN = 12V, VBOOT  VSW = 5Vtyp 70 · max 140 m11
Input CurrentVIN = 12V, TA = TJ = 25°Ctyp 50 nA11
Error Amplifier Trans-Conductance gmVIN = 12V, TA = TJ = 25°C; Normal operation, 2A < ICOMP < 2A, VCOMP = 1Vtyp 440 A/V11
Error Amplifier Trans-Conductance gmVIN = 12V, TA = TJ = 25°C; During SS, 2A < ICOMP < 2A, VCOMP = 1V, VFB = 0.4Vtyp 77 A/V11
Error Amplifier DC GainVIN = 12V, TA = TJ = 25°C; VFB = 0.8Vtyp 10000 V/V11
Error Amplifier BandwidthVIN = 12V, TA = TJ = 25°Ctyp 2500 kHz11
Source/Sink CurrentVIN = 12V, TA = TJ = 25°C; VCOMP = 1V, 100mV overdrive; typical magnitude, printed as 30typ 30 A11
COMP to Current Sense Trans-Conductance gm_csVIN = 12V, TA = TJ = 25°Ctyp 17 A/V11
Current Limit ILIMVIN = 12V, TA = TJ = 25°C; f SW = 500kHz, VOUT = 5Vmin 6.375 · typ 7.5 · max 8.625 A11
Minimum On-Time tON_MINVIN = 12V, TA = TJ = 25°C; IOUT = 1Amax 135 ns12
Switching Frequency 1 f SW1VIN = 12V, TA = TJ = 25°C; RRT/SYNC = 1Mmin 90 · typ 105 · max 120 kHz12
Switching Frequency 2 f SW2VIN = 12V, TA = TJ = 25°C; RRT/SYNC = 200kmin 450 · typ 500 · max 550 kHz12
Switching Frequency 3 f SW3VIN = 12V, TA = TJ = 25°C; RRT/SYNC = 37.4kmin 2200 · typ 2450 · max 2700 kHz12
SYNC Frequency RangeVIN = 12V, TA = TJ = 25°C; External clockmin 0.3 · max 2.2 MHz12
Minimum Sync Pulse WidthVIN = 12V, TA = TJ = 25°Ctyp 20 ns12
SYNC Threshold Voltage VIH_SYNCVIN = 12V, TA = TJ = 25°Ctyp 1.55 · max 2 V12
SYNC Threshold Voltage VIL_SYNCVIN = 12V, TA = TJ = 25°Cmin 0.5 · typ 1.2 V12
RT/SYNC Falling Edge to SW Rising Edge DelayVIN = 12V, TA = TJ = 25°Ctyp 70 ns12
Soft-Start PeriodVIN = 12V, TA = TJ = 25°C; 10% to 90%, RT6365GSPmin 1.4 · typ 2 · max 2.6 ms12
Thermal Shutdown TSDVIN = 12V, TA = TJ = 25°C unless otherwise specifiedtyp 175 °C13
Thermal Shutdown Hysteresis TSDVIN = 12V, TA = TJ = 25°C unless otherwise specifiedtyp 15 °C13
UVP Trip Threshold VUVPVIN = 12V, TA = TJ = 25°C; UVP detecttyp 0.4 V13

Pins, by the datasheet

9
1 BOOT
Bootstrap supply for the high-side gate driver; connect a 0.1uF ceramic capacitor between BOOT and SW. · p. 3
2 VIN
Power input, 4V to 60V; connect suitable input capacitors between VIN and GND. · p. 3
3 EN
Enable control with internal pull-up current source; floating or logic-high enables the converter, and logic-low forces shutdown. · p. 3
4 RT/SYNC
Connect a resistor to GND to set switching frequency, or connect a clock source for external synchronization. · p. 3
5 FB
Output voltage sense through a resistive divider; feedback reference is typically 0.8V. · p. 3
6 COMP
Connect external compensation elements to stabilize the control loop. · p. 3
7 GND
Ground return path for the control circuitry. · p. 3
8 SW
Switching node supplying power to the output; connect the output LC filter from SW to the output load. · p. 3
9 PAD
Internally unconnected exposed pad; must be soldered to a large PCB copper area for maximum power dissipation. · p. 3

Ordering codes, by the datasheet

1
RT6365GSP
SOP-8 (Exposed Pad-Option 2) · Green, halogen free and Pb free; internal soft-start. · p. 2

Parameters

21
Current Limit
7.5A
Features
Cycle-by-cycle current limiting
Frequency - Switching
2.5MHz
Function
Step-down type
Junction Temperature(Max)
150℃
Number of Outputs
1
Operating Temperature
-40℃~+150℃@(TJ)
Output Current
5A
Output Type
Adjustable
Output Voltage
800mV~60V
Quiescent Current
100uA
Reference Voltage
800mV
Standby Current
2.25uA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
No
Thermal Resistance(Junction to Ambient)
30.4℃/W
Thermal Resistance(Junction to Board)
13.2℃/W
Thermal Resistance(Junction to Case)
73.9℃/W
Topology
Buck
Voltage - Supply
4V~60V
Voltage - Supply(Absolute Max)
65V

Order codes

1

Pinout

9
The pins of the RT6365GSP
PinNameType
1BOOTUnspecified
2VINUnspecified
3ENUnspecified
4RT/SYNCUnspecified
5FBUnspecified
6COMPUnspecified
7GNDUnspecified
8SWUnspecified
9EPUnspecified

Open-source boards using it

All 1
  • 4 layers65 × 56.5 mmSH RPi, the printed circuit board in 3D

    SH RPi

    hatlabs/SH-RPi-hardware

    Sailor Hat for Raspberry Pi hardware design files

    168 parts56

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Questions

Is there a KiCad symbol and footprint for the RT6365GSP?

Yes. The symbol is EasyEDA_Cloud:RTQ6363GSP and the footprint EasyEDA_Cloud:SOP-8_L5.0-W3.9-P1.27-LS6.0-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the RT6365GSP?

SOP-8-EP, with 9 pins. Its footprint is drawn on this page.

Where is the RT6365GSP datasheet?

Richtek Tech publishes it: the Datasheet link on this page opens it.

Where can I order the RT6365GSP?

JLCPCB lists it as part C3024482, with 8,775 in stock; the sellers' links on this page open their listings.

What can replace the RT6365GSP?

Parts like it in the library: the RTQ2965GSP-QA by Richtek Tech. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the RT6365GSP?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

1