0.5mm PMIC LT3477 20 Pin 200kHz~3.5MHz 20-WFQFN Exposed Pad
SOT-23
LT3477EUF#PBF Datasheet
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Specifications
Name
Value
Type
Parameter
Factory Lead Time
8 Weeks
Lifecycle Status
PRODUCTION (Last Updated: 2 weeks ago)
Mounting Type
Surface Mount
Package / Case
20-WFQFN Exposed Pad
Surface Mount
YES
Number of Pins
20
Operating Temperature
-40°C~85°C TA
Packaging
Tube
Published
2009
JESD-609 Code
e3
Part Status
Active
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Number of Terminations
20
ECCN Code
EAR99
Type
DC DC Regulator
Terminal Finish
Matte Tin (Sn)
Subcategory
Switching Regulator or Controllers
Terminal Position
QUAD
Peak Reflow Temperature (Cel)
260
Number of Functions
1
Terminal Pitch
0.5mm
Frequency
200kHz~3.5MHz
[email protected] Reflow Temperature-Max (s)
30
Base Part Number
LT3477
Pin Count
20
Number of Outputs
1
Output Voltage
42V
Operating Supply Voltage
3.3V
Input Voltage-Nom
2.5V
Max Supply Voltage
25V
Min Supply Voltage
2.5V
Output Current
3A
Max Output Voltage
40V
Topology
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Min Input Voltage
2.3V
Control Mode
CURRENT-MODE
Max Input Voltage
25V
Control Technique
PULSE WIDTH MODULATION
Switcher Configuration
BUCK-BOOST
Current - Output / Channel
3A Switch
Internal Switch(s)
Yes
High Level Output Current
10μA
Low Level Output Current
10μA
Dimming
PWM
Number of Segments
4
Switching Frequency
3.5MHz
Height
750μm
Length
4mm
Width
4mm
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS Status
ROHS3 Compliant
Lead Free
Lead Free
Pricing & Ordering
Quantity
Unit Price
Ext. Price
1
$50.909568
$50.909568
10
$48.027894
$480.27894
100
$45.309334
$4530.9334
500
$42.744655
$21372.3275
1000
$40.325146
$40325.146
LT3477EUF#PBF Product Details
LT3477EUF#PBF Overview
It saves board space with the 20-WFQFN Exposed Pad package. Using this LED driver, there are 1 outputs.The led driver mounting is done by using Surface Mount.In this case, the result is a DC DC Regulator with high efficiency.The led light driver can work at -40°C~85°C TA.In this case, the frequency is 200kHz~3.5MHz.It operates with terminations of 20.It is configured with 20 pins as its base.A total of 4 segments are estimated.This LED driver has the part number LT3477.It is acceptable to operate with a supply voltage of 25V.In addition, it is equipped with a total of 20 pins.According to its characteristics, it is also categorized into Switching Regulator or Controllers.As its minimal input voltage, it operates at a voltage of 2.3V.In order to achieve the highest efficiency, it is designed to operate at a low voltage of 2.5V.When the maximum supply current is allowed, it reaches 25V.A load can be supplied with 3A current.In order to power systems, 3.3V voltage is needed.Electronic components can function properly when their switching frequency is set to 3.5MHz.The output voltage is 42V.40V should be the maximum output voltage.Device operation requires 2.5V volts from the circuit.
LT3477EUF#PBF Features
Available in the 20-WFQFN Exposed Pad package Operating temperature of -40°C~85°C TA Frequency of 200kHz~3.5MHz Operating with the supply voltage of 3.3V Switching frequency of 3.5MHz Output voltage of 42V
LT3477EUF#PBF Applications
There are a lot of Linear Technology/Analog Devices LT3477EUF#PBF LED Driver ICs applications.
Constant Voltage Power Source for portable equipment
White LED Backlight for portable equipment
Museum lighting
General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights