Skip to the content
PCBKitNew board
AP62301Z6, in 3D

AP62301Z6

Diodes Incorporated

-40℃~+125℃@(TA) 1 155uA 3A 4.2V~18V 750kHz 800mV~7V Adjustable Buck Buck Built-in Yes SOT-563 DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCdiodes/AP62301Z6
Category
DC DC Converters
Package
SOT-563
Pins
6

Overview

The AP62301Z6 is a DC DC Converter made by Diodes Incorporated in a SOT-563 package with 6 pins. -40℃~+125℃@(TA) 1 155uA 3A 4.2V~18V 750kHz 800mV~7V Adjustable Buck Buck Built-in Yes SOT-563 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (4ms_IC:AP6230xZ6, from 4ms) and its footprint (Package_TO_SOT_SMD:SOT-563, from KiCad's library), ready for a KiCad board. 1,732 are in stock at JLCPCB (part C1880992).

Symbol

VIN1SW2GND3BST4EN5FB6
4ms_IC:AP6230xZ6From 4ms

Footprint

123456
Package_TO_SOT_SMD:SOT-563From 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 max 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
275 µA · VIN quiescent supply current typical, VFB = 0.85V · p. 5
Takes asleep
1.5 µA · Shutdown supply current typical, VEN = 0V · p. 5
Gives
3 A · Continuous output current rating · p. 1
Current limit
3.7 A · LS valley current limit typical, source to drain · p. 5
Feedback reference
800 mV · Feedback voltage typical, TA = +25°C, CCM · p. 5
Switches at
750 kHz · Oscillator frequency typical, VIN = 12V, VOUT = 5V, CCM · p. 5
Junction to air (SOT563 (Standard))
110 K/W · Junction to ambient thermal resistance · p. 4
Junction to case (SOT563 (Standard))
8 K/W · Junction to case thermal resistance · p. 4

What it is and has

13
Input voltage
4.2V to 18V · p. 1
Output voltage
0.8V to 7V, adjustable · p. 1
Continuous output current
3A · p. 1
Reference voltage accuracy
0.8V ± 1% at TA = +25°C · p. 1
Switching frequency
750kHz at VIN = 12V, VOUT = 5V · p. 1
Light-load operation
PWM regardless of output load · 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
EMI reduction
Proprietary gate driver · p. 1
Compliance
Lead-free and RoHS compliant · p. 1
Materials
Halogen and antimony free · p. 1

Around it

20
cap 100nF or higher
between BST and SW; High-side driver bootstrap capacitor. · p. 3
cap 10 µF
between VIN and GND; C1; recommended for the listed 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5.0V outputs. · p. 17
cap 2 x 22 µF
between VOUT and GND; C2; recommended for all output voltages listed in Table 1. · p. 17
res 10 kΩ
between FB and GND; R2; recommended for all output voltages listed in Table 1. · p. 17
res 4.99 kΩ
between VOUT and FB; AP62301 R1 for 1.2V output. · p. 17
res 8.66 kΩ
between VOUT and FB; AP62301 R1 for 1.5V output. · p. 17
res 12.4 kΩ
between VOUT and FB; AP62301 R1 for 1.8V output. · p. 17
res 21.5 kΩ
between VOUT and FB; AP62301 R1 for 2.5V output. · p. 17
res 31.6 kΩ
between VOUT and FB; AP62301 R1 for 3.3V output. · p. 17
res 52.3 kΩ
between VOUT and FB; AP62301 R1 for 5.0V output. · p. 17
ind 1.5 µH
between SW and VOUT; Recommended for 1.2V and 1.5V outputs. · p. 17
ind 2.2 µH
between SW and VOUT; Recommended for 1.8V and 2.5V outputs. · p. 17
ind 3.3 µH
between SW and VOUT; Recommended for 3.3V and 5.0V outputs. · p. 17
cap 10 - 100 pF
between VOUT and FB; Optional C5 for 1.8V, 2.5V, 3.3V and 5.0V outputs; leave open for 1.2V and 1.5V outputs. · p. 17
cap 100 nF
between BST and SW; C6 for 1.2V, 1.5V and 1.8V outputs. · p. 17
cap 100 - 220 nF
between BST and SW; C6 for 2.5V output. · p. 17
cap 100 - 330 nF
between BST and SW; C6 for 3.3V and 5.0V outputs. · p. 17
cap 10µF or greater
between VIN and GND; Ceramic input capacitor; place as closely across VIN and GND as possible. RMS current rating should exceed half the maximum load current. · p. 18
cap 22µF to 68µF
between VOUT and GND; Ceramic output capacitor with low ESR; sufficient for most applications, subject to load transient requirements. · 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 VINDC; TA = +25°Cmin -0.3 · max 20 V4
Supply Pin Voltage VIN400ms; TA = +25°Cmin -0.3 · max 22 V4
Switch Pin Voltage VSWDC; upper limit VIN + 0.3 V; TA = +25°Cmin -1 V4
Switch Pin Voltage VSW20ns; upper limit VIN + 2.0 V; TA = +25°Cmin -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 HBM±2000 V ratingmin -2000 · max 2000 V4
Charged Device Model CDM±500 V ratingmin -500 · max 500 V4
Junction to Ambient θJASOT563 (Standard); FR-4 substrate, two-layer PCB, 2oz copper, minimum recommended pad layoutmax 110 °C/W4
Junction to Case θJCSOT563 (Standard); FR-4 substrate, two-layer PCB, 2oz copper, minimum recommended pad layoutmax 8 °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 ISHDNVEN = 0V; TJ = +25°C, VIN = 12Vtyp 1.5 uA5
Quiescent Supply Current IQAP62301: VFB = 0.85V; TJ = +25°C, VIN = 12Vtyp 275 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 fSWVOUT = 5V, CCM; TJ = +25°C, VIN = 12Vtyp 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/AP62301: TA = +25°C, CCM; VIN = 12Vmin 0.792 · typ 0.8 · max 0.808 V5
Feedback Voltage VFBAP62300/AP62301: CCM; 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 IENVEN = 1.5V; TJ = +25°C, VIN = 12Vtyp 7 uA5
EN Input Current IENVEN = 1V; TJ = +25°C, VIN = 12V; 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 VIN
Power input for the IC and converter MOSFETs; drive with 4.2V to 18V and bypass to GND with a suitably large capacitor. · p. 3
2 SW
Power switching output; connect the output LC filter from SW to the output load. · p. 3
3 GND
Power ground. · p. 3
4 BST
High-side gate drive boost input; connect a capacitor of 100nF or higher from BST to SW. · p. 3
5 EN
Enable input; drive high to enable, low to disable, or leave floating for automatic startup; precision threshold allows programming UVLO. · p. 3
6 FB
Output voltage feedback sensing terminal; connect to the output resistive divider. · p. 3

Parameters

20
Current Limit
3.7A
Features
Overcurrent Protection
Frequency - Switching
750kHz
Function
Step-down type
Junction Temperature(Max)
160℃
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Current
3A
Output Type
Adjustable
Output Voltage
800mV~7V
Quiescent Current
275uA
Reference Voltage
800mV
Standby Current
1.5uA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Thermal Resistance(Junction to Ambient)
110℃/W
Thermal Resistance(Junction to Case)
8℃/W
Topology
Buck
Voltage - Supply
4.2V~18V
Voltage - Supply(Absolute Max)
20V

Order codes

1

Pinout

6
The pins of the AP62301Z6
PinNameType
1VINPower in
2SWOutput
3GNDPower in
4BSTPassive
5ENInput
6FBInput

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/diodes/AP62301Z6" title="AP62301Z6 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/diodes/AP62301Z6.jpg" alt="AP62301Z6" width="1200" height="900">
A picture that opens the part, for a README
[![AP62301Z6](https://pcbkit.io/embed/parts/diodes/AP62301Z6.jpg?size=s)](https://pcbkit.io/parts/diodes/AP62301Z6)

Questions

Is there a KiCad symbol and footprint for the AP62301Z6?

Yes. The symbol is 4ms_IC:AP6230xZ6 and the footprint Package_TO_SOT_SMD:SOT-563, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AP62301Z6?

SOT-563, with 6 pins. Its footprint is drawn on this page.

Where is the AP62301Z6 datasheet?

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

Where can I order the AP62301Z6?

JLCPCB lists it as part C1880992, with 1,732 in stock; the sellers' links on this page open their listings.

What can replace the AP62301Z6?

Parts like it in the library: the TPS61023DRL by Texas Instruments, the TPS564247DRL by Texas Instruments, the TLV62585PDRL by Texas Instruments and the TPS563203DRL by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8