LT1767 Buck Converter overview
Description
Manufacturer
Category
Sub-Category
LT1767 is a 25.00 V non-sync Buck Converter from with 1.20 A output current. The maximum 25.00 V input voltage can be regulated down into a 1.20 V to 23.00 V output voltage.
It requires are a typical inductor size of 5.00 µH, a typical external component count of 10 and achieves a peak efficiency of 90 %. Further LT1767 characteristics are a fixed 1250 kHz switching frequency and 1 available package option(s): MSOP-8 .
Parameter overview and features with replacement search
For the LT1767 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.
| Parameter | Value | Replacement Search Filter |
| V-IN min. | 3.00 V | |
| V-IN max. | 25.00 V | |
| I-OUT? | 1.20 A | |
| V-OUT min. | 1.20 V | |
| V-OUT max. | 23.00 V | |
| V-OUT | adjustable V | |
| V-OUT programmable |  |
|
| sync/non-sync | non-sync | |
| Frequency typ. | 1250 kHz | |
| Frequency | fixed | |
| Frequency selectable | ||
| ext.clock sync. |  |
|
| Frequency adj./ ext.clock min. | 1400 kHz | |
| Frequency adj./ ext.clock max | 2000 kHz | |
| Softstart | |
|
| Softstart adjustable | |
|
| Tracking | |
|
| PG/Power OK | |
|
| Quiescent current max. | 1300 µA | |
| Operating min. | ||
| Operating max. | ||
| Junction min. | -40 °C | |
| Junction max. | 125 °C | |
| thermal shutdown typ. | ||
| Inductor size typ. | 5.00 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 90 % | |
| Component count min. | 10 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | MSOP-8 | |
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
LT1767 Datasheet
Link to the most up-to-date LT1767 datasheet and the product page for EVM, tools and support information.
LT1767 Sample stock and distributor price breaks
LT1767 prices and online available distributors.
Available Distributors with stock: 11
Chip One Stop (4)
Conrad COM (3)
Conrad UK (3)
Digi-Key (17)
Farnell Element14 (1)
Mouser Electronics (10)
Newark Electronics (1)
RS Components (5)
Reichelt Elektronik (4)
Schukat Electronic (1)
Transfer Multisort Elektronik (3)
Available Distributors without stock: 1
Rutronik (0)
Available Distributors with stock: 15
Arrow Electronics
| Product | Stock | Price | Buy | ||||||||||||||||||||
| LT1767EMS8-5 | 1500 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8-3.3#PBF | 1004 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8E#TRPBF | 661 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8#PBF | 631 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8-5#PBF | 392 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8-1.8#PBF | 153 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8E-1.8#PBF | 117 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8E-5#PBF | 24 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8E-3.3#TRPBF | 15 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8E-2.5 | 0 | Buy Now | |||||||||||||||||||||
| LT1767EMS8E-3.3 | 0 |
| Buy Now | ||||||||||||||||||||
| LT1767EMS8E-5 | 0 | Buy Now | |||||||||||||||||||||
| LT1767EMS8 | 0 | Buy Now | |||||||||||||||||||||
| LT1767EMS8E | 0 | Buy Now | |||||||||||||||||||||
| LT1767EMS8E-3.3#TRPBF | 0 |
| Buy Now |
Digi-Key
| Product | Stock | Price | Buy | ||||||||
| LT1767EMS8#TRPBF | 3400 |
| Buy Now | ||||||||
| LT1767EMS8#TRPBF | 3400 |
| Buy Now | ||||||||
| LT1767EMS8E-3.3#PBF | 3242 |
| Buy Now | ||||||||
| LT1767EMS8#TRPBF | 2500 |
| Buy Now | ||||||||
| LT1767EMS8E#PBF | 1965 |
| Buy Now | ||||||||
| LT1767EMS8#PBF | 1192 |
| Buy Now | ||||||||
| LT1767EMS8E-5#PBF | 693 |
| Buy Now | ||||||||
| LT1767EMS8-5#PBF | 660 |
| Buy Now | ||||||||
| LT1767EMS8-3.3#PBF | 548 |
| Buy Now | ||||||||
| LT1767EMS8E-3.3#TRPBF | 500 |
| Buy Now | ||||||||
| LT1767EMS8E-3.3#TRPBF | 500 |
| Buy Now | ||||||||
| LT1767EMS8E-1.8#PBF | 410 |
| Buy Now | ||||||||
| LT1767EMS8E-2.5#PBF | 378 |
| Buy Now | ||||||||
| LT1767EMS8-1.8#PBF | 195 |
| Buy Now | ||||||||
| LT1767EMS8E-3.3#TRPBF | 0 |
| Buy Now |
Newark element14
Mouser Electronics
Bristol Electronics
Quest Components
TME Electronic Components
basicEparts
ComS.I.T.
element14 Asia-Pacific
Farnell element14
Schukat electronic
Chip One Exchange
Chip1Stop
RS Components
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to LT1767. Optional, compare LT1767 side-by-side with other Buck Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1767.
V-IN max. 25 V, I-OUT 1.2 A, V-OUT min. 1.2 V, Frequency typ. 1250 kHz
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744025002 | 2.2 | 1.8 | 2.4 | 57.00 | 2.8 x 2.8 x 3 | |
| 74404024022 | 2.2 | 1.8 | 2.0 | 80.00 | 2.5 x 2 x 1.2 | |
| 74404032022 | 2.2 | 1.8 | 1.7 | 50.00 | 3 x 3 x 1.5 | |
| 74404042022 | 2.2 | 2.2 | 3.4 | 42.00 | 4 x 4 x 1.8 | |
| 7440420018 | 1.8 | 2.4 | 2.4 | 40.00 | 4.8 x 4.8 x 2 | |
| 7440420027 | 2.7 | 2.0 | 2.2 | 47.00 | 4.8 x 4.8 x 2 | |
| 7440430018 | 1.8 | 2.7 | 2.5 | 20.00 | 4.8 x 4.8 x 3 | |
| 7440430022 | 2.2 | 2.5 | 2.4 | 27.00 | 4.8 x 4.8 x 3 | |
| 7440430027 | 2.7 | 2.4 | 2.0 | 25.00 | 4.8 x 4.8 x 3 | |
| 744045002 | 2.2 | 1.6 | 2.8 | 88.00 | 4.5 x 3.2 x 2.9 | |
| 7440450027 | 2.7 | 1.5 | 2.7 | 96.00 | 4.5 x 3.2 x 2.9 | |
| 7440520018 | 1.8 | 2.6 | 3.0 | 30.00 | 5.8 x 5.8 x 2 | |
| 744052002 | 2.5 | 2.4 | 2.7 | 20.00 | 5.8 x 5.8 x 2 | |
| 744052003 | 3.0 | 2.2 | 2.4 | 40.00 | 5.8 x 5.8 x 2 | |
| 744053002 | 2.6 | 3.0 | 2.7 | 20.00 | 5.8 x 5.8 x 3 | |
| 744053003 | 3.0 | 2.8 | 2.5 | 20.00 | 5.8 x 5.8 x 3 | |
| 744062002 | 2.2 | 3.4 | 2.7 | 10.00 | 6.8 x 6.8 x 2.5 | |
| 7440680017 | 1.7 | 2.5 | 2.4 | 41.00 | 8 x 8 x 1.2 | |
| 7440680027 | 2.7 | 2.2 | 1.9 | 52.00 | 8 x 8 x 1.2 | |
| 7440690022 | 2.2 | 2.8 | 2.9 | 35.00 | 8 x 8 x 1.5 | |
| 7440700022 | 2.2 | 4.6 | 3.2 | 17.00 | 8 x 8 x 2 | |
| 74408941029 | 2.9 | 1.6 | 3.0 | 101.00 | 4.8 x 4.8 x 2.1 | |
| 74438322022 | 2.2 | 1.3 | 2.2 | 252.00 | 2.5 x 2 x 0.8 | |
| 74438323022 | 2.2 | 1.3 | 2.5 | 147.00 | 2.5 x 2 x 1 | |
| 74438324022 | 2.2 | 1.6 | 2.9 | 123.00 | 2.5 x 2 x 1.2 | |
| 744773022 | 2.2 | 2.5 | 3.4 | 34.00 | 4 x 4.5 x 3.5 | |
| 744773027 | 2.7 | 2.3 | 3.0 | 39.00 | 4 x 4.5 x 3.5 | |
| 7447785002 | 2.2 | 2.9 | 3.3 | 43.00 | 5.9 x 6.2 x 3.3 | |
| 74479275222 | 2.2 | 1.3 | 1.7 | 166.00 | 2 x 1.25 x 1 | |
| 74479276222 | 2.2 | 1.4 | 1.8 | 135.00 | 2 x 1.6 x 1 | |
| 74479276222C | 2.2 | 1.6 | 2.5 | 112.00 | 2 x 1.25 x 1 | |
| 74479287222 | 2.2 | 1.5 | 2.5 | 132.00 | 2.5 x 2 x 1 | |
| 74479288222 | 2.2 | 1.7 | 2.8 | 90.00 | 2.5 x 2 x 1.2 | |
| 74479889222 | 2.2 | 1.3 | 1.7 | 250.00 | 2.5 x 2 x 1.2 | |
| 78438322022 | 2.2 | 1.3 | 2.2 | 252.00 | 2.5 x 2 x 0.8 | |
| 78438323022 | 2.2 | 1.3 | 2.5 | 147.00 | 2.5 x 2 x 1 | |
| 784773022 | 2.2 | 2.5 | 3.4 | 34.00 | 4 x 4.5 x 3.5 |
