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123456

AP62300WU

Diodes IncorporatedExtended

-40℃~+125℃ 1 155uA 3A 4.2V~18V 750kHz 800mV~7V Adjustable Buck Buck Built-in Yes TSOT-23-6 DC-DC Converters ROHS

DatasheetJLCPCBLCSC
Part id
diodes/AP62300WU
Category
DC DC Converters
Package
TSOT-23-6
Pins
6
In stock
1,649 at JLCPCB (C1880390)
Used on
11 open-source boards

Overview

The AP62300WU is a DC DC Converter made by Diodes Incorporated in a TSOT-23-6 package with 6 pins. -40℃~+125℃ 1 155uA 3A 4.2V~18V 750kHz 800mV~7V Adjustable Buck Buck Built-in Yes TSOT-23-6 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (Regulator_Switching:AP62300WU, from KiCad's library) and its footprint (Package_TO_SOT_SMD:TSOT-23-6, from KiCad's library), ready for a KiCad board. 1,649 are in stock at JLCPCB (part C1880390). 11 open-source boards in 7 repositories on GitHub use it.

Symbol

GND1SW2IN3FB4EN5BST6
Regulator_Switching:AP62300WUFrom KiCad's library

Footprint

123456
Package_TO_SOT_SMD:TSOT-23-6From KiCad's library

From the datasheet

14
Supply, least
4.2 V · VIN, recommended operating min · p. 4
Supply, most
18 V · VIN, recommended operating max · p. 4
Supply, absolute maximum
20 V · VIN, absolute maximum DC · p. 4
Works from
-40 °C · Operating ambient temperature min · p. 4
Works up to
85 °C · Operating ambient temperature max · p. 4
Junction, hottest
160 °C · Junction temperature absolute max · p. 4
Takes working
155 µA · VIN quiescent current typical, no load, non-switching · p. 13
Takes asleep
1.5 µA · Shutdown supply current typical, VEN = 0V · p. 5
Gives
3 A · Continuous output current rated · p. 1
Current limit
3.7 A · LS valley current limit typical, source to drain · p. 5
Feedback reference
800 mV · Feedback voltage typical, AP62300, CCM · p. 5
Switches at
750 kHz · Oscillator frequency typical, VIN = 12V, VOUT = 5V, CCM · p. 5
Junction to air (TSOT26 (Standard))
70 K/W · Junction to ambient thermal resistance · p. 4
Junction to case (TSOT26 (Standard))
12 K/W · Junction to case thermal resistance · p. 4

What it is and has

11
Control
Constant On-Time (COT) · p. 1
Output voltage range
0.8V to 7V, adjustable · p. 1
Continuous output current
3A · p. 1
Reference accuracy
±1% at TA = +25°C · p. 1
Light-load operation
PFM · p. 13
Protection
Undervoltage lockout · p. 1
Protection
Cycle-by-cycle valley current limit · p. 1
Protection
Output undervoltage protection · p. 1
Protection
Thermal shutdown · p. 1
Compliance
Lead-free and RoHS compliant · p. 1
Composition
Halogen and antimony free · p. 1

Around it

22
cap 100nF or higher
between BST and SW; Powers the high-side driver. · p. 3
cap unspecified
between EN and GND; Optional small ceramic capacitor delays startup when EN is not driven externally. · p. 14
ind 1.2µH to 4.7µH
between SW and VOUT; Recommended for most applications; DC current rating at least 35% above maximum load current. · p. 17
res 4.99 kΩ
between VOUT and FB; R1 for AP62300, VOUT = 1.2V. · p. 17
res 8.66 kΩ
between VOUT and FB; R1 for AP62300, VOUT = 1.5V. · p. 17
res 12.4 kΩ
between VOUT and FB; R1 for AP62300, VOUT = 1.8V. · p. 17
res 21.5 kΩ
between VOUT and FB; R1 for AP62300, VOUT = 2.5V. · p. 17
res 31.6 kΩ
between VOUT and FB; R1 for AP62300, VOUT = 3.3V. · p. 17
res 52.3 kΩ
between VOUT and FB; R1 for AP62300, VOUT = 5.0V. · p. 17
res 10 kΩ
between FB and GND; R2 for all listed output voltage examples. · p. 17
cap 10 µF
between VIN and GND; C1 for all listed output voltage examples. · p. 17
cap 2 x 22 µF
between VOUT and GND; C2 for all listed output voltage examples. · p. 17
ind 1.5 µH
between SW and VOUT; L for VOUT = 1.2V or 1.5V. · p. 17
ind 2.2 µH
between SW and VOUT; L for VOUT = 1.8V or 2.5V. · p. 17
ind 3.3 µH
between SW and VOUT; L for VOUT = 3.3V or 5.0V. · p. 17
cap 10 - 100 pF
between VOUT and FB; Optional C5 for VOUT = 1.8V, 2.5V, 3.3V or 5.0V; open for 1.2V and 1.5V. · p. 17
cap 100 nF
between BST and SW; C6 for VOUT = 1.2V, 1.5V or 1.8V. · p. 17
cap 100 - 220 nF
between BST and SW; C6 for VOUT = 2.5V. · p. 17
cap 100 - 330 nF
between BST and SW; C6 for VOUT = 3.3V or 5.0V. · p. 17
cap 10µF or greater
between VIN and GND; Ceramic input capacitor; place as closely across VIN and GND as possible. · p. 18
cap 22µF to 68µF
between VOUT and GND; Ceramic output capacitor with low ESR; sufficient for most applications. · p. 18
cap 100nF
between BST and SW; Ceramic bootstrap capacitor; higher capacitance recommended when output voltage exceeds 2.5V. · p. 18

Specifications

36
ParameterConditionsAs printedPage
Supply Pin Voltage VINTA = +25°C; DCmin -0.3 · max 20 V4
Supply Pin Voltage VINTA = +25°C; 400msmin -0.3 · max 22 V4
Switch Pin Voltage VSWTA = +25°C; DC; maximum VIN + 0.3 Vmin -1 V4
Switch Pin Voltage VSWTA = +25°C; 20ns; maximum VIN + 2.0 Vmin -2.5 V4
Enable/UVLO Pin Voltage VENTA = +25°Cmin -0.3 · max 8 V4
Feedback Pin Voltage VFBTA = +25°Cmin -0.3 · max 6 V4
Storage Temperature TSTmin -65 · max 150 °C4
Junction Temperature TJmax 160 °C4
Lead Temperature TLmax 260 °C4
Human Body Model HBMmin -2000 · max 2000 V4
Charged Device Model CDMmin -500 · max 500 V4
Junction to Ambient θJATSOT26 (Standard); FR-4 substrate, two-layer PCB, 2oz copper, minimum recommended pad layouttyp 70 °C/W4
Junction to Case θJCTSOT26 (Standard); FR-4 substrate, two-layer PCB, 2oz copper, minimum recommended pad layouttyp 12 °C/W4
Supply Voltage VINTA = +25°Cmin 4.2 · max 18 V4
Output Voltage VOUTTA = +25°Cmin 0.8 · max 7 V4
Operating Ambient Temperature TAmin -40 · max 85 °C4
Operating Junction Temperature TJmin -40 · max 125 °C4
Shutdown Supply Current ISHDNTJ = +25°C, VIN = 12V, VEN = 0Vtyp 1.5 uA5
Quiescent Supply Current IQAP62300; TJ = +25°C, VIN = 12V, VFB = 0.85Vtyp 155 uA5
VIN Power-On Reset Rising Threshold PORTJ = +25°C, VIN = 12V; limits across recommended junction temperature and input voltage rangestyp 3.9 · max 4.15 V5
VIN Undervoltage Lockout Falling Threshold UVLOTJ = +25°C, VIN = 12Vtyp 3.6 V5
High-Side Power MOSFET On-Resistance (Note 8) RDS(ON)1TJ = +25°C, VIN = 12Vtyp 75 mΩ5
Low-Side Power MOSFET On-Resistance (Note 8) RDS(ON)2TJ = +25°C, VIN = 12Vtyp 45 mΩ5
LS Valley Current Limit (Note 8) IVALLEY_LIMITFrom Source to Drain; TJ = +25°C, VIN = 12V; limits across recommended junction temperature and input voltage rangesmin 3.2 · typ 3.7 · max 4.2 A5
Oscillator Frequency fSWTJ = +25°C, VIN = 12V, VOUT = 5V, CCMtyp 750 kHz5
Minimum On-Time tON_MINTJ = +25°C, VIN = 12Vtyp 90 ns5
Minimum Off-Time tOFF_MINTJ = +25°C, VIN = 12Vtyp 220 ns5
Feedback Voltage VFBAP62300; TA = +25°C, CCM, VIN = 12Vmin 0.792 · typ 0.8 · max 0.808 V5
Feedback Voltage VFBAP62300; CCM, VIN = 12V; limits across recommended junction temperature and input voltage rangesmin 0.784 · typ 0.8 · max 0.816 V5
EN Logic High Threshold VEN_HTJ = +25°C, VIN = 12V; limits across recommended junction temperature and input voltage rangestyp 1.2 · max 1.25 V5
EN Logic Low Threshold VEN_LTJ = +25°C, VIN = 12V; limits across recommended junction temperature and input voltage rangesmin 1.04 · typ 1.1 V5
EN Input Current IENTJ = +25°C, VIN = 12V, VEN = 1.5Vtyp 7 uA5
EN Input Current IENTJ = +25°C, VIN = 12V, VEN = 1V; limits across recommended junction temperature and input voltage rangesmin 1 · typ 1.5 · max 2 uA5
Soft-Start Time tSSTJ = +25°C, VIN = 12Vtyp 2.5 ms5
Thermal Shutdown (Note 8) TSDVIN = 12Vtyp 160 °C5
Thermal Shutdown Hysteresis (Note 8) THysVIN = 12Vtyp 20 °C5

Pins, by the datasheet

6
1 GND
Power Ground. · p. 3
2 SW
Power switching output; connect the output LC filter from SW to the output load. · p. 3
3 VIN
Power input for the IC and converter MOSFETs; connect a 4.2V to 18V source and bypass to GND with a suitably large capacitor. · p. 3
4 FB
Feedback sensing terminal; connect to the output resistive divider. · p. 3
5 EN
Enable input; high turns on, low turns off; leave floating for automatic startup. Precision threshold allows UVLO programming. · p. 3
6 BST
High-side gate drive boost input; connect a capacitor of 100nF or higher from BST to SW. · p. 3

Open-source boards using it

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  • 2 layers64 × 44 mmMotor Controller placement, the printed circuit board in 3D

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  • 2 layers50 × 70 mmUSB Regulated Supply placement, the printed circuit board in 3D

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Parts like it

8

Questions

Is there a KiCad symbol and footprint for the AP62300WU?

Yes. The symbol is Regulator_Switching:AP62300WU and the footprint Package_TO_SOT_SMD:TSOT-23-6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AP62300WU?

TSOT-23-6, with 6 pins. Its footprint is drawn on this page.

Where is the AP62300WU datasheet?

Diodes Incorporated publishes it: the Datasheet link on this page opens it.

Where can I order the AP62300WU?

JLCPCB lists it as part C1880390, with 1,649 in stock; the sellers' links on this page open their listings.

What can replace the AP62300WU?

Parts like it in the library: the TPS54302DDC by Texas Instruments, the MT3608B by XI'AN Aerosemi Tech, the SY8113IADC by 矽力杰silergy and the HFP6291LR-G1 by HXY MOSFET. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the AP62300WU?

11 boards in 7 repositories on GitHub; the most starred are listed on this page, with their KiCad files.