Datasheet Texas Instruments LM34923
| Manufacturer | Texas Instruments |
| Series | LM34923 |
80V, 600 mA Constant On-Time Buck Switching Regulator
Datasheets
LM34923 80V, 600 mA Constant On-Time Buck Switching Regulator datasheet
PDF, 1.3 Mb, Revision: A, File published: Feb 20, 2013
Extract from the document
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Status
| LM34923MM/NOPB | LM34923MMX/NOPB | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes |
Packaging
| LM34923MM/NOPB | LM34923MMX/NOPB | |
|---|---|---|
| N | 1 | 2 |
| Pin | 10 | 10 |
| Package Type | DGS | DGS |
| Industry STD Term | VSSOP | VSSOP |
| JEDEC Code | S-PDSO-G | S-PDSO-G |
| Package QTY | 1000 | 3500 |
| Carrier | SMALL T&R | LARGE T&R |
| Device Marking | SB5B | SB5B |
| Width (mm) | 3 | 3 |
| Length (mm) | 3 | 3 |
| Thickness (mm) | 1.02 | 1.02 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | 1.07 | 1.07 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | LM34923MM/NOPB | LM34923MMX/NOPB |
|---|---|---|
| Control Mode | Constant on-time (COT) | Constant on-time (COT) |
| Duty Cycle(Max), % | 97 | 97 |
| Iout(Max), A | 0.65 | 0.65 |
| Iq(Typ), mA | 1 | 1 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 |
| Package Group | VSSOP | VSSOP |
| Rating | Catalog | Catalog |
| Regulated Outputs | 1 | 1 |
| Special Features | Power Good | Power Good |
| Switching Frequency(Max), kHz | 800 | 800 |
| Switching Frequency(Min), kHz | 50 | 50 |
| Type | Converter | Converter |
| Vin(Max), V | 75 | 75 |
| Vin(Min), V | 6 | 6 |
| Vout(Max), V | 75 | 75 |
| Vout(Min), V | 2.5 | 2.5 |
Eco Plan
| LM34923MM/NOPB | LM34923MMX/NOPB | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- AN-2171 Designing Constant-On-Time Buck Regulators for Low Drop-Out Voltage (Rev. A)PDF, 78 Kb, Revision: A, File published: Apr 23, 2013
This application note presents a simple scheme to improve the drop-out voltage in constant-on-time buckregulators.
Model Line
Series: LM34923 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Converter (Integrated Switch)
