5 Terminals 2.8V~5.5V 5-Pin LM1770 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 100kHz~1MHz Transistor Driver
SOT-23
LM1770TMFX/NOPB Datasheet
non-compliant
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Specifications
Name
Value
Type
Parameter
Factory Lead Time
6 Weeks
Lifecycle Status
ACTIVE (Last Updated: 1 day 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
Number of Outputs
1
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 %
Height
1.45mm
Length
2.9mm
Width
1.6mm
Thickness
1.2mm
RoHS Status
ROHS3 Compliant
Lead Free
Lead Free
Pricing & Ordering
Quantity
Unit Price
Ext. Price
1
$1.284617
$1.284617
10
$1.211903
$12.11903
100
$1.143305
$114.3305
500
$1.078589
$539.2945
1000
$1.017537
$1017.537
LM1770TMFX/NOPB Product Details
LM1770TMFX/NOPB Overview
In the SC-74A, SOT-753 package, the switching controller meets most application requirements. There is enough capacity in the dc motor controller to generate the output for the 1 input. 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. Voltages 2.8V~5.5V are the dc control's supply voltage and operating voltage, respectively. A -40°C~125°C TJ dc switcher is not a problem. With this switching controller, you can switch at 100kHz~1MHz. Surface Mount makes it suitable for general dc dc regulator. Connected to a SWITCHING CONTROLLER analog IC, the switch converters are connected to a power supply. There are a DUAL terminal on the switching converters. There are many different types of terminations for 5. A few of the control techniques these dc dc converter ics adapt include PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 3.3V. LM1770 can be searched for other relevant dc to dc converter ics. 5 pins are on switching converter. Input voltage of dc dc voltage regulator must be 2.8V. The test statistics indicate that DC regulator outputs a voltage of 4.5V. You should note that the dc dc regulator's usual output current is 4A. It is set to 95 % duty cycle to ensure voltage regulator dc to dc reliability during power-ups and power-downs. This Surface Mount makes DC switcher suitable for most prototypes and applications. It is estimated that this dc regulatorhas a maximum frequency of 1MHz. This value is ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V so that DC to DC voltage regulator better serves the purpose. If the user wishes to run the voltage regulator dc to dc in a circuit safely and reliably, they should apply 5.5V. DC switchings that are dormant use 400μA.
LM1770TMFX/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
LM1770TMFX/NOPB Applications
There are a lot of Texas Instruments LM1770TMFX/NOPB DC to DC converter applications.