5 Terminals 2.8V~5.5V 5-Pin LM1770 DC to DC converter ICSWITCHING CONTROLLER 100kHz~1MHz Transistor Driver
SOT-23
LM1770SMFX/NOPB Datasheet
non-compliant
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Specifications
Name
Value
Type
Parameter
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
no
Part Status
Obsolete
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
Subcategory
Switching Regulator or Controllers
Technology
CMOS
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
Control Mode
VOLTAGE-MODE
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
Length
2.9mm
RoHS Status
ROHS3 Compliant
Lead Free
Contains Lead
LM1770SMFX/NOPB Product Details
LM1770SMFX/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. The system can process Transistor Driver dc switching's outputs (s). dc control's supply and operating voltages are 2.8V~5.5V. Worked in an dc switcher with a -40°C~125°C TJ rating. There is a switch at 100kHz~1MHz that can be used with this controller. dc dc regulators can be carried out with Surface Mount. SWITCHING CONTROLLER analog IC connects the switch converters. The switching converters's terminal (s) are designed at DUAL . A variety of dc switching's functions can be performed on 5 terminations. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. DC switcher's input voltageis 3.3V volts. You can find other relevant dc to dc converter ics by searching "LM1770". Total pins of switching converter are 5. In particular, switching converter is a type of Switching Regulator or Controllers. dc dc voltage regulators should have a minimum input voltage of 2.8V. Based on the test statistics, DC regulator outputs voltage 4.5V. The dc dc regulator's usual output current is 4A, which should be noted down when you start a project. The duty cycle of the voltage regulator dc to dc can be set to 95 % on power-up or power-down to ensure reliability. As DC switcher has a Surface Mount, it's suitable for most applications and prototype designs. DC regulator1MHz has the maximum frequency. 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. A circuit should contain 5.5V in order to ensure the voltage regulator dc to dc runs safely and reliably. A dc switching in a dormant state uses 400μA. Phases of this controller are 1.
LM1770SMFX/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
LM1770SMFX/NOPB Applications
There are a lot of Texas Instruments LM1770SMFX/NOPB DC to DC converter applications.