where do you put a dc 5v.1a battery for power supply?

it is a step-down regulator. for example, put a dc 6-24v battery input, it will output 5v.

What is the frequency and magnitude of the ripple on the output?

In practical use, it's been working perfectly on my quad for operating the flight controller. For your question, I tried using my 150 DSO shell kit to get a reading. I was unable to measure the freq/mag of the ripple. It looked rather clean, with just the slightest random notch on the plot. Vmax: 5.19 Vmin: 5.03 Vave: 5.11. It could not lock on to any kind of a ripple. Could be beyond the limits of my DSO, or operator error.

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PW-D Control Buck Converter 6-24V to 5V 1.5A Step-Down Regulator Module Power Inverter Volt Stabilizer

Product ID: 329247510

Details

Brand
Wolfwhoop
Current rating
1.5 Amps
Mounting type
PCB Mount
Power source
Battery
Specification met
Ma

⚡6-24V input range

📏Ultra-compact 17x5.5mm size

🔋Stable 5V output at 1.5A

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Description

🔌 Tiny module, massive impact — power your projects like a pro!

MULTI PACK ADVANTAGE - Includes 4 modules, giving you flexibility and value for multiple projects or backups.
POCKET SIZED POWERHOUSE - Super mini 17mm x 5.5mm footprint fits effortlessly into any compact project or device.
RELIABLE CURRENT DELIVERY - Delivers a steady 1.5A current ensuring your sensitive electronics run smoothly without hiccups.
POWER YOUR MINI TECH SEAMLESSLY - Step down from 6-24V to a reliable 5V output, perfect for transmitters, receivers, and mini cameras.
DESIGNED FOR BATTERY POWERED INNOVATION - Optimized for 2-6S battery setups, empowering your portable and DIY electronics with stable voltage.

The PW-D Control Buck Converter is a compact, high-efficiency step-down regulator module that converts 6-24V input to a stable 5V output at 1.5A. Its ultra-small size (17mm x 5.5mm) makes it ideal for powering mini cameras, transmitters, and receivers, especially in battery-powered applications using 2-6S batteries. Sold in a convenient 4-pack, it offers reliable voltage stabilization for professional-grade DIY electronics and portable devices.

Specifications

ASIN	B076P4C42B
ASIN	B076P4C42B
Best Sellers Rank	#129,713 in Electronics ( See Top 100 in Electronics ) #1,263 in International Power Adapters
Brand Name	Wolfwhoop
Current Rating	1.5 Amps
Customer Reviews	4.4 4.4 out of 5 stars (503)
Customer reviews	4.4 4.4 out of 5 stars (503)
Date First Available	29 November 2017
Is Discontinued By Manufacturer	No
Item Weight	0.32 Ounces
Item model number	5824093032
Manufacturer	Wolfwhoop
Manufacturer	Wolfwhoop
Model	5824093032
Mounting Type	PCB Mount
Package Dimensions	11.3 x 7.8 x 0.71 cm; 8.99 g
Part Number	PW-D
Power Source	Battery Powered
Specification Met	Ma

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¥5581

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In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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