| Parameters | 
                                                                                                            
                                            | 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 | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Published | 2012 | 
                                                                            
                                            | Series | PowerPath™ | 
                                                                            
                                            | JESD-609 Code | e3 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | Number of Terminations | 20 | 
                                                                            
                                            | ECCN Code | EAR99 | 
                                                                            
                                            | Terminal Finish | Matte Tin (Sn) | 
                                                                            
                                            | Applications | Handheld/Mobile Devices | 
                                                                            
                                            | Technology | CMOS | 
                                                                            
                                            | Voltage - Supply | 2.7V~5.5V | 
                                                                            
                                            | Terminal Position | QUAD | 
                                                                            
                                            | Number of Functions | 1 | 
                                                                            
                                            | Terminal Pitch | 0.4mm | 
                                                                            
                                            | Base Part Number | LTC3554 | 
                                                                            
                                            | Pin Count | 20 | 
                                                                            
                                            | Number of Outputs | 2 | 
                                                                            
                                            | Output Voltage | 4.2V | 
                                                                            
                                            | Operating Supply Voltage | 5.5V | 
                                                                            
                                            | Input Voltage-Nom | 3.8V | 
                                                                            
                                            | Analog IC - Other Type | BATTERY CHARGE CONTROLLER | 
                                                                            
                                            | Operating Supply Current | 10μA | 
                                                                            
                                            | Min Input Voltage | 4.35V | 
                                                                            
                                            | Control Mode | CURRENT-MODE | 
                                                                            
                                            | Output Current-Max | 0.6A | 
                                                                            
                                            | Max Input Voltage | 5.5V | 
                                                                            
                                            | Control Technique | PULSE WIDTH MODULATION | 
                                                                            
                                            | Switcher Configuration | BUCK | 
                                                                            
                                            | Number of Cells | 1 | 
                                                                            
                                            | Height Seated (Max) | 0.8mm | 
                                                                            
                                            | Length | 3mm | 
                                                                            
                                            | Radiation Hardening | No | 
                                                                            
                                            | REACH SVHC | No SVHC | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                                                    
                            
                         
                                                LTC3554EUD#PBF Overview
The way of Tube is acceptable for shipping the power management.To facilitate transportation, it is packaged the power management in 20-WFQFN Exposed Pad .For easy adaptation, Surface Mount is a universal mounting method.Applications targeting this power management include Handheld/Mobile Devices and others.Ideally, the operating temperature of the power management ic should be set to -40°C~85°C to avoid any malfunctions.This power management uses 2.7V~5.5V  voltage for work.Try search LTC3554  to get more power ic's pin-to-pin solutions for your special needs.power ic's power ic's pin-to-pinOn the power management, you can find 20 terminals.It has received high praise as a BATTERY CHARGE CONTROLLER analog IC.The power managment ic has 20  pins.Its pinout begins at 20 pins.It operates on a voltage of 10μA  volts.You can search the similart manage icss based on PowerPath? .Overall, it supports 2 outputs.It has a 4.2V  voltage output.
LTC3554EUD#PBF Features
Mainly used in Handheld/Mobile Devices applications
Operating temperature: -40°C~85°C
BATTERY CHARGE CONTROLLER analog IC
2 Outputs
LTC3554EUD#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC3554EUD#PBFPower Management applications. 
- Real-time Signal Monitoring
- Automotive Advanced Driver Assistance System (ADAS)
- Memory Power
- Networking Router
- Radar
- FPGA
- System Thermal for PCs
- Networking Equipment
- Motherboard
- Equipment Run-Off of Battery Backup