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Description
MAXIM INTEGRATED PRODUCTS MAX15021ATI+ DC/DC Switching Regulator, Synchronous, Dual, 2.5 V to 5.5 V in, 5.5 V/4 A out, 4 MHz, TQFN-28The MAX15021ATI+ is a dual, 4A 2A, 4MHz, step down DC to DC regulator with tracking sequencing capability in 28 pin TQFN package. The device operates from 2. 5V to 5. 5V and each output can be adjusted from 0. 6V to the input supply (VAVIN). The MAX15021 delivers up to 4A (regulator 1) and 2A (regulator 2) of output current. It offers the ability to adjust the switching frequency from 500KHz to 4MHz and provides the capability of optimizing the design
The MAX15021ATI+ is a dual, 4A/2A, 4MHz, step-down DC to DC regulator with tracking/sequencing capability in 28 pin TQFN package. The device operates from 2.5V to 5.5V and each output can be adjusted from 0.6V to the input supply (VAVIN). The MAX15021 delivers up to 4A (regulator 1) and 2A (regulator 2) of output current. It offers the ability to adjust the switching frequency from 500KHz to 4MHz and provides the capability of optimizing the design in terms of size and performance. The MAX15021 utilizes a voltage-mode control scheme with external compensation to provide good noise immunity and maximum flexibility in selecting inductor values and capacitor types. The dual switching regulators operate 180° out of phase, thereby reducing the RMS input ripple current and thus the size of the input bypass capacitor significantly. The MAX15021 offers the ability to track or sequence during power-up and power down operation. When sequencing, it powers up glitch free into a pre-biased output.
- Supply voltage range is 2.5V to 5.5V
- Operating temperature range from -40°C to 125°C
- Lossless cycle-by-cycle current limit, hiccup-mode output short-circuit protection
- Thermal shutdown
- Shutdown current is 20µA
Applications
Power Management, Automotive, Multimedia, Communications & Networking
- :
- 5.5V
- :
- 5.5V
- :
- 2A
- :
- 125°C
- :
- Adjustable
- :
- 28Pins
- :
- 2.5V
- :
- -
- :
- Synchronous Buck (Step Down)
- :
- TQFN
- :
- 4MHz
- :
- 5.5V
- :
- Each
- :
- 2 Output
- :
- 4A
- :
- MSL 1 - Unlimited
Product details
| Input Voltage Max | 5.5V |
| Output Voltage - Output 2 | 5.5V |
| Output Current - Output 2 | 2A |
| Operating Temperature Max | 125°C |
| Regulator Output Type | Adjustable |
| No. of Pins | 28Pins |
| Input Voltage Min | 2.5V |
| Product Range | - |
| Topology | Synchronous Buck (Step Down) |
| DC / DC Converter IC Case | TQFN |
| Switching Frequency | 4MHz |
| Output Voltage - Output 1 | 5.5V |
| Packaging | Each |
| No. of Outputs | 2 Output |
| Output Current - Output 1 | 4A |
| MSL | MSL 1 - Unlimited |
Other details
| Brand | MAXIM INTEGRATED PRODUCTS |
| Part Number | MAX15021ATI+ |
| Quantity | Each |
| Technical Data Sheet EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
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4.0 ★★★★★
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Product Reviews
★★★★★ 5
A game-changer for oily and combo skin!
Okay, I did not expect to love this toner as much as I do but wow, it completely changed my skin game! The jelly texture feels super luxe and refreshing, and it instantly calms my skin while keeping oil under control all day. My pores look smoother, my skin feels hydrated but not greasy, and it gives that fresh, healthy glow we all want. I’ve been using it morning and night and my complexion has never looked more even. If you have combo or oily skin, this one’s a total gem.
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Reviewed in the United States on October 20, 2025
★★★★★ 5
Tonico
Me gustó mucho, promete lo que dice y tiene buenos ingredientes y es grande
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Gentle, Effective Face Cleanser That Leaves Skin Feeling Fresh
Size: 4.4 Fl Oz (Pack of 1)
I’ve been using this face cleanser for a few weeks, and I’m really happy with the results. It’s gentle on my skin but still does a great job removing dirt, oil, and makeup without leaving any residue or dryness. My skin feels clean, soft, and refreshed after every wash.
The formula lathers nicely and rinses off easily, which makes the whole cleansing routine feel like a treat. I also appreciate that it doesn’t irritate my sensitive skin or cause redness, which some cleansers tend to do. Plus, the subtle scent is pleasant but not overpowering.
Overall, this face cleanser strikes a perfect balance between deep cleansing and moisturizing. It’s become a staple in my skincare routine, and I’d definitely recommend it to anyone looking for a reliable daily cleanser.
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Reviewed in the United States on September 10, 2025
★★★★★ 5
Acné saver !!!
Size: 4.4 Fl Oz (Pack of 1)
I use this product twice a day. I love how it helps keep my skin clear while also improving the blemishes currently there. Lathers well under water and doesn’t have a sticky after feeling. I think it works great especially with how lightweight is is.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Effective for blemish-prone skin without over drying
Size: 4.4 Fl Oz (Pack of 1)
I have skin that is both sensitive and oily/blemish prone, and I have found this to be very effective without being irritating or over drying. The consistency is a little syrupy which is very helpful in the shower or when dispensing onto wet hands at the sink. I feel like a lot less ends up wasted. More slippery gels can be harder to apply or even dispense since they have a tendency to well, slip off the hand and down the drain before making it to the skin. A little goes a long way and (in conjunction with a good moisturizer!) it seems to help loosen black heads and sebum plugs better than a lot of other products I have tried. It does take a little more effort to rinse it off thoroughly, but that also means it can work well in lieu of a separate shaving gel, which I appreciate. I like the mild citrusy scent. I smell it while I am using it but it doesn’t linger overly after being rinsed off. I used that generic yellow salicylic acid cleanser for a long time and this is much nicer without being overly pricey. I would say it compares very favorably with other more high end cleansers I have tried in terms of quality and effectiveness, so it is a pretty good value.
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Reviewed in the United States on September 27, 2025
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