Part Number, Manufacturer Output voltage & tolerance range Input voltage range Input current max Max Output Current, Max Power Efficiency at/around 10deg C Inrush slew rate Stock, Supplier Unit cost $USD Rating (ie Catalog, Automotive, Space) - Automotive preferred Rated temp Switching freq & output caps Link to datasheet Additional notes(Owner)
AP62300WU-7 (Diodes Inc.) 0.8V - VIN (max. 7V) -0.3 - 20 V, absolute max. 22 V (400 ms) N/a 3A Continuous @ 25°C, VIN = 12V, VOUT = 5V: at least ~90% (0.1A- 2A), at least ~85% (0.01A-3A)
2.5ms soft-start time built-in 57226, DigiKey $0.75 Automotive -40°C - +85°C (Ambient),
-40°C - +125°C (Junction) ~750 kHz (See datasheet) https://www.diodes.com/assets/Datasheets/AP62300_AP62301_AP62300T.pdf Andrew
LMZ22003 (Texas Instruments) 0.8 V - 6 V, ±0.02% ΔVo/ΔVi, absolute tolerance unknown? 6 V - 20 V, absolute max 24 V N/A? 3A nominal, 3.4A max (w/ overcurrent protection), 18W max @ 25°C, 5V out:
peak 92% (9V in, 1A), drops to 86% at high current (20V in, 5A), falls off cliff below 0.5A or so 1.6 ms default, 7.5 ms recommended, up to ?? by selecting capacitor 31, Texas Instruments

149 on order, Mouser, after Feb 29 | $10.168 | None | -40°C - 125°C, derating above 100°C | 812 kHz nominal, supports external clock (650 kHz - 950 kHz), needs input + output caps | https://www.ti.com/lit/ds/symlink/lmz22003.pdf | Joe Integrated inductor, integrated switch, mostly integrated passives, “hand solderable” | | AP64351Q (Diodes Inc.) | 0.8V - VIN | 3.8V - 40V | N/A? | 3.5 A, current derates at around 80°C ambient temperature (VIN 12V, VOUT 5V) | @ 25°C, VIN = 12 V, VOUT = 5V, IOUT = 3A → efficiency is ~90% | Minimum 2 ms, program soft-start time (tSS) by selecting a capacitor CSS[nF] = 3.7(tSS[ms]) | 24, DigiKey

29 439 expected Jul 28 2023, Mouser

| $2.81

$2.53 | Automotive | -40°C ~ 125°C (TA) | 570 kHz switching frequency, requires selection of input and output capacitors (?) | https://www.diodes.com/assets/Datasheets/AP64351Q.pdf | Programmable soft-start time Synchronous buck Surface mount SO-8EP package Protection circuity (UVLO, OVP, cycle-by-cycle peak current limit, thermal shutdown) Lead, Halogen, and Antimony Free (”Green”) | | A7986A (STMicroelectronics) | 0.6V - VIN | 4.5V - 38V | N/A? | 3A | | For switching frequency = 250 kHz, soft-start time = 8 ms Soft-start duration for FSW pin floating = 7.3 (min), 8.2 (typ), 9.8 (max) ms | 8864, DigiKey | $4.62 | Automotive | -40°C ~ 150°C (TJ) | 250 kHz switching frequency, programmable up to 1 MHz, requires selection of input and output capacitors (?) | https://www.st.com/en/power-management/a7986a.html | Soft-start Surface mount HSOP8 package Overcurrent and thermal protection Zero load current operation Voltage feed-forward Low dropout operation: 100% duty cycle | | TPS565247DRLR - Texas Instruments | 0.6V - 7V | 3V - 16V | N/A | 5A | ~95% @ 3V3 or 5V | | 3672, Digikey | $2.65 | Catalog | -40 C - 150 C | 700-kHz | https://www.ti.com/lit/ds/symlink/tps54425.pdf?ts=1675522728598&ref_url=https%253A%252F%252Fwww.ti.com%252Fpower-management%252Fnon-isolated-dc-dc-switching-regulators%252Fstep-down-buck%252Fproducts.html | Andrea | | TLVM13630 - Texas Instruments | 1V - 6V | 3V - 36V | | 3 A | 93% peak efficiency | Typically 5 ms or 13 ms soft start? | 3222, NetroFlash | $9.314 | Space? | -40 to 125 deg C | 200 kHz to 2.2 MHz | https://www.ti.com/lit/ds/symlink/tlvm13630.pdf?ts=1675533588885&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTLVM13630 | From Octopart https://octopart.com/search?q=TLVM13630&currency=USD&specs=0 | | TPS565201 (Texas Instruments) | 0.76 V - 7 V | 4.5 V - 17 V, absolute max 19 V | N/A? | 5A nominal, 5.3 A min - 6 A typ - 8 A max overcurrent protection | 95% @ 5V, 3A 92% @ 3.3V, 3A | 1.0 ms nominal | 6031, DigiKey (+15000 “factory”) | $2.49 | None | -40°C - 125°C recommended, 150°C absolute max (junction), 172°C thermal shutdown | 500 kHz nominal, needs input/output caps, inductor | https://www.ti.com/lit/ds/symlink/tps565201.pdf | Joe SOT-23-6 package Cycle by cycle current limit, UVP, UVLO, TSD |