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AP63201WU, in 3D

AP63201WU

Diodes Incorporated

-40℃~+85℃ 1 22uA 2A 3.8V~32V 500kHz Adjustable Buck Built-in Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting、EMI optimization (spread spectrum) Step-down type Yes TSOT-23-6 DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCdiodes/AP63201WU
Category
DC DC Converters
Package
TSOT-23-6
Pins
6

Overview

The AP63201WU is a DC DC Converter made by Diodes Incorporated in a TSOT-23-6 package with 6 pins. -40℃~+85℃ 1 22uA 2A 3.8V~32V 500kHz Adjustable Buck Built-in Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting、EMI optimization (spread spectrum) Step-down type Yes TSOT-23-6 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (Regulator_Switching:AP63201WU, from KiCad's library) and its footprint (Package_TO_SOT_SMD:TSOT-23-6, from KiCad's library), ready for a KiCad board. 2,147 are in stock at JLCPCB (part C2071044). 13 open-source boards in 10 repositories on GitHub use it.

Symbol

FB1EN2IN3GND4SW5BST6
Regulator_Switching:AP63201WUFrom KiCad's library

Footprint

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

From the datasheet

16
Supply, least
3.8 V · VIN, recommended operating min · p. 4
Supply, most
32 V · VIN, recommended operating max · p. 4
Supply, absolute maximum
35 V · VIN, absolute max DC · p. 4
Supply, absolute maximum
40 V · VIN, absolute max for 400ms · 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
258 µA · VIN quiescent current typical, AP63201, VEN = OPEN, VFB = 1.0V · p. 5
Takes asleep
1 µA · Shutdown supply current typical, VEN = 0V · p. 5
Gives
2 A · Continuous output current max · p. 1
Current limit
2.8 A · High-side peak current limit typical · p. 5
Current limit
3.2 A · Low-side valley current limit typical · p. 5
Feedback reference
800 mV · Feedback voltage typical, CCM, AP63201 · p. 5
Switches at
500 kHz · Oscillator frequency typical, AP63201 · p. 5
Junction to air (TSOT26)
89 K/W · Junction to ambient, single-layer FR-4 board, 2oz copper · p. 4
Junction to case (TSOT26)
39 K/W · Junction to case · p. 4

What it is and has

12
Output current
2A continuous · p. 1
Reference voltage
0.8V ±1% · p. 1
Switching frequency
500kHz · p. 1
Control mode
Fixed 500kHz PWM with FSS; continuous conduction at light load · p. 10
EMI reduction
Frequency Spread Spectrum · p. 1
Enable
Precision enable threshold to adjust UVLO · p. 1
Protection
Overvoltage protection · p. 1
Protection
Cycle-by-cycle peak current limit · p. 1
Protection
Thermal shutdown · p. 1
Package
TSOT26 · p. 1
Compliance
Lead-free and RoHS compliant · p. 1
Material composition
Halogen and antimony free · p. 1

Around it

21
cap 10 µF
between VIN and GND; C1; recommended component selections use this value for all listed AP63201 output voltages. · p. 13
cap 2 x 22 µF
between VOUT and GND; C2; recommended component selections use this value for all listed AP63201 output voltages. · p. 13
cap 100nF
between BST and SW; Required ceramic bootstrap capacitor. · p. 14
cap 100 pF
between VOUT and FB; C4; recommended for 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5V outputs. · p. 13
cap 56 pF
between VOUT and FB; C4; recommended for 12V output. · p. 13
res 30.9 kΩ
between VOUT and FB; R1 for 1.2V output. · p. 13
res 54.2 kΩ
between VOUT and FB; R1 for 1.5V output. · p. 13
res 77.5 kΩ
between VOUT and FB; R1 for 1.8V output. · p. 13
res 131 kΩ
between VOUT and FB; R1 for 2.5V output. · p. 13
res 196 kΩ
between VOUT and FB; R1 for 3.3V output. · p. 13
res 157 kΩ
between VOUT and FB; R1 for 5V output. · p. 13
res 249 kΩ
between VOUT and FB; R1 for 12V output. · p. 13
res 62 kΩ
between FB and GND; R2 for 1.2V, 1.5V, 1.8V, 2.5V and 3.3V outputs. · p. 13
res 30 kΩ
between FB and GND; R2 for 5V output. · p. 13
res 18 kΩ
between FB and GND; R2 for 12V output. · p. 13
ind 2.2 µH
between SW and VOUT; Recommended for 1.2V and 1.5V outputs. · p. 13
ind 3.3 µH
between SW and VOUT; Recommended for 1.8V and 2.5V outputs. · p. 13
ind 6.8 µH
between SW and VOUT; Recommended for 3.3V output. · p. 13
ind 10 µH
between SW and VOUT; Recommended for 5V and 12V outputs. · p. 13
cap greater than 10µF
between VIN and GND; Ceramic input capacitor sufficient for most applications. · p. 13
cap 22µF to 68µF
between VOUT and GND; Ceramic output capacitor; large capacitance and low ESR preferred. · p. 14

Specifications

33
ParameterConditionsAs printedPage
Supply Voltage VINTA = +25°C; DCmin -0.3 · max 35 V4
Supply Voltage VINTA = +25°C; 400msmin -0.3 · max 40 V4
Switch Node Voltage VSWTA = +25°C; maximum VIN + 0.3 Vmin -1 V4
Feedback Voltage VFBTA = +25°Cmin -0.3 · max 6 V4
Enable/UVLO Voltage VENTA = +25°Cmin -0.3 · max 35 V4
Storage Temperature TSTmin -65 · max 150 °C4
Junction Temperature TJmax 160 °C4
Lead Temperature TLmax 260 °C4
Human Body Mode HBMmax 2000 V4
Charge Device Model CDMmax 1000 V4
Junction to Ambient θJATSOT26; FR-4 substrate, single-layer PC board, 2oz copper, minimum recommended pad layouttyp 89 °C/W4
Junction to Case θJCTSOT26; FR-4 substrate, single-layer PC board, 2oz copper, minimum recommended pad layouttyp 39 °C/W4
Supply Voltage VINTA = +25°Cmin 3.8 · max 32 V4
Operating Ambient Temperature Range TAmin -40 · max 85 °C4
Shutdown Supply Current ISHDNVEN = 0V; TA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangestyp 1 · max 3 uA5
Supply Current (Quiescent) IQAP63201; VEN = OPEN, VFB = 1.0V; TA = +25°C, VIN = 12Vtyp 258 uA5
VIN Under Voltage Threshold (Rising) UVLOTA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangesmin 3.3 · typ 3.5 · max 3.7 V5
VIN Under Voltage Threshold Hysteresis UVLOTA = +25°C, VIN = 12Vtyp 440 mV5
High-Side Switch On-Resistance (Note 8) RDS(ON)1TA = +25°C, VIN = 12Vtyp 125 mΩ5
Low-Side Switch On-Resistance (Note 8) RDS(ON)2TA = +25°C, VIN = 12Vtyp 68 mΩ5
HS Peak Current Limit (Note 8) IPEAK_LIMITTA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangesmin 2.5 · typ 2.8 · max 3.1 A5
LS Valley Current Limit (Note 8) IVALLEY_LIMITTA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangesmin 2.5 · typ 3.2 · max 3.9 A5
Oscillator Frequency fSWAP63201; TA = +25°C, VIN = 12Vtyp 500 kHz5
Frequency Spread Spectrum FSSTA = +25°C, VIN = 12V; typical ±6%typ 6 %5
Minimum On Time tONTA = +25°C, VIN = 12Vtyp 80 ns5
Feedback Voltage VFBCCM, AP63201; TA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangesmin 792 · typ 800 · max 808 mV5
EN Logic High VEN_HTA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangesmin 1.15 · typ 1.18 · max 1.23 V5
EN Logic Low VEN_LTA = +25°C, VIN = 12V; min/max across recommended temperature and input voltage rangesmin 1.05 · typ 1.1 · max 1.15 V5
EN Input Current IENVEN = 1.5V; TA = +25°C, VIN = 12Vtyp 5.5 uA5
EN Input Current IENVEN = 1V; TA = +25°C, VIN = 12Vtyp 1.5 uA5
Soft-Start Period tSSTA = +25°C, VIN = 12Vtyp 4 ms5
Thermal Shutdown (Note 8) TSDVIN = 12Vtyp 160 °C5
Thermal Hysteresis (Note 8) THYSVIN = 12Vtyp 25 °C5

Pins, by the datasheet

6
1 FB
Output feedback sensing terminal; connect to the output resistive divider. · p. 2
2 EN
Digital enable input; high enables and low disables. Attach to VIN or leave open for automatic startup; precision threshold permits UVLO programming. · p. 2
3 VIN
Power input for the IC and converter switches; connect a 3.8V to 32V source and bypass to GND. · p. 2
4 GND
Power Ground. · p. 2
5 SW
Power switching output; connect the output LC filter to the load and a capacitor from SW to BST. · p. 2
6 BST
High-side gate drive boost input; connect a 100nF capacitor from SW to BST. · p. 2

Parameters

19
Current Limit
2.8A
Features
Cycle-by-cycle current limiting
Frequency - Switching
500kHz
Function
Step-down type
Junction Temperature(Max)
160℃
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Current
2A
Output Type
Adjustable
Quiescent Current
258uA
Reference Voltage
800mV
Standby Current
1uA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Thermal Resistance(Junction to Ambient)
89℃/W
Thermal Resistance(Junction to Case)
39℃/W
Topology
Buck
Voltage - Supply
3.8V~32V
Voltage - Supply(Absolute Max)
35V

Order codes

1

Pinout

6
The pins of the AP63201WU
PinNameType
1FBInput
2ENInput
3INPower in
4GNDPower in
5SWOutput
6BSTPassive

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Questions

Is there a KiCad symbol and footprint for the AP63201WU?

Yes. The symbol is Regulator_Switching:AP63201WU 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 AP63201WU?

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

Where is the AP63201WU datasheet?

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

Where can I order the AP63201WU?

JLCPCB lists it as part C2071044, with 2,147 in stock; the sellers' links on this page open their listings.

What can replace the AP63201WU?

Parts like it in the library: the TPS562201DDC by Texas Instruments, the SX1308 by SX, the ETA8120S2G by etasolution and the LN2220PAR by NATLINEAR. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the AP63201WU?

13 boards in 10 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8