LM1770UMFX/NOPB
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 5 days ago) |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Number of Pins | 5 |
| Operating Temperature | -40°C~125°C TJ |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e3 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 5 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) |
| Additional Feature | ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Base Part Number | LM1770 |
| Function | Step-Down |
| Output Voltage | 4.5V |
| Output Type | Transistor Driver |
| Operating Supply Voltage | 5.5V |
| Input Voltage-Nom | 3.3V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Output Current | 4A |
| Voltage - Supply (Vcc/Vdd) | 2.8V~5.5V |
| Quiescent Current | 400μA |
| Input Voltage (Min) | 2.8V |
| Topology | Buck |
| Frequency - Switching | 100kHz~1MHz |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | Yes |
| Switcher Configuration | PUSH-PULL |
| Max Frequency | 1MHz |
| Max Duty Cycle | 95 % |
| Clock Sync | No |
| Duty Cycle | 95 % |
| Number of Output Phases | 1 |
| Height | 1.45mm |
| Length | 2.9mm |
| Width | 1.6mm |
| Thickness | 1.2mm |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
LM1770UMFX/NOPB Overview
In the SC-74A, SOT-753 package, the switching controller meets most application requirements. Packaged in solid enclosures, this pmic has a Tape & Reel (TR) rating. A total of Transistor Driver dc switching's outputs can be handled by it. 2.8V~5.5V is the supply voltage and the operating voltage of the dc control. A -40°C~125°C TJ dc switcher is not a problem. Switching can be done at 100kHz~1MHz with this switching controller. The Surface Mount allows it to be used for dc dc regulator in general. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. A switching converters's terminal (s) sits at the DUAL position. A variety of dc switching's functions can be performed on 5 terminations. Some of the control techniques used by these dc dc converter ics are PULSE WIDTH MODULATION. 3.3V nominal DC switcher's voltage input. LM1770 can be used to locate other relevant dc to dc converter ics. There are only 5 pins on switching converter. dc dc voltage regulators should have a minimum input voltage of 2.8V. Statistically, DC regulator outputs 4.5V volts. You should note down the dc dc regulator's usual output current of 4A when you start a project. A duty cycle set at 95 % ensures voltage regulator dc to dc reliability during power-on and power-off. DC switcher's Surface Mount makes it qualified for most application and prototype designs. DC switcher'sThere is a maximum frequency of 1MHz on this dc regulators. The value of DC to DC voltage regulator is set at ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V in order to fulfill the requirements more effectively. For safe and reliable operation in a circuit, voltage regulator dc to dc is suggested that users apply 5.5V. As long as the dc switching is in a dormant state, it utilizes 400μA. This controller switches with 1 phases.
LM1770UMFX/NOPB Features
Transistor Driver Outputs
Switching Frequency: 100kHz~1MHz
PULSE WIDTH MODULATION
Max Duty Cycle: 95 %
ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V
LM1770UMFX/NOPB Applications
There are a lot of Texas Instruments LM1770UMFX/NOPB DC to DC converter applications.
- Analog precision reference circuits
- Remotely powered electric motors
- Combined machine tools
- Precision electronic equipment
- Low output voltage switching power supply circuits
- Hydrogen power
- Computer rooms
- Telecommunications equipment
- Program control systems
- Digital display device
