www.diodes.com

Announcement

New Product

diodes.com

diodes.com

5.5V Automotive-Compliant DC-DC Buck Converter Portfolio

Ordering Information

Typical Application Schematic

AP61406Q

Efficiency vs. Output Current

Orderable Part

Number

Compliance

(Only Automotive

Supports PPAP)

Package

Identification

Code

Moisture

Sensitivity

Packing

Quantity

Carrier

AP61406QFCBW8-7

Automotive

W-QFN1520-8/SWP

(Type UX)

H3Q

MSL-1

3,000

7” Tape & Reel

Part

Number

VIN

Range

VOUT

Range

Output

Current

HS/LS

RDS(ON)

Adj.

PFM/

PWM

Switching

Frequency

IQ

Ambient

Temperature PG

Package

V

V

A

mΩ

MHz

µA

°C

AP61406Q

2.3 to 5.5

0.3 to 3.6

4

75 / 33

Yes

1/1.5/2/2.5

20

-40 to +125

Yes

W-QFN1520-8/SWP

(Type UX)

AP61402Q

2.4 to 5.5

0.5 to 5.5

4

75/ 33

Yes

2

20

-40 to +125

Yes

V-DFN1515-6/SWP

(Type UX)

AP61302Q

2.4 to 5.5

0.6 to VIN

3

70/ 50

Yes

2.2

19

-40 to +125

Yes

SOT563

AP61300Q

2.4 to 5.5

0.6 to VIN

3

70/ 50

Yes

2.2

19

-40 to +125

No

SOT563

AP61204Q

2.4 to 5.5

0.6 to VIN

2

70/ 50

Yes

2.4

19

-40 to +125

Yes

SOT563

AP61102Q

2.3 to 5.5

0.6 to 3.6

1

110 / 80

Yes

2.2

15

-40 to +125

Yes

SOT563

AP61100Q

2.3 to 5.5

0.6 to 3.6

1

110 / 80

Yes

2.2

15

-40 to +125

No

SOT563

AP61062Q

2.4 to 5.5

0.6 to 3.6

0.6

110 / 80

Yes

2.2

19

-40 to +125

Yes

SOT563

VIN

EN

SW

FB

L

470nH

CIN

22uF

VIN=2.3V to 5.5V

GND

COUT

2x22uF

VOUT=0.3V to 3.6V

OFF

ON

AP61406Q

PG

VIN

R3

10k

SDA

SCL

December 2025