Parameters |
Mounting Type |
Surface Mount |
Package / Case |
20-LCC (J-Lead) |
Surface Mount |
YES |
Number of Pins |
20 |
Operating Temperature |
0°C~70°C TA |
Packaging |
Tube |
JESD-609 Code |
e3 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
2 (1 Year) |
Number of Terminations |
20 |
ECCN Code |
EAR99 |
Type |
Multi-Voltage Supervisor |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Power Management Circuits |
Max Power Dissipation |
1W |
Technology |
BIPOLAR |
Terminal Position |
QUAD |
Terminal Form |
J BEND |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
15V |
Terminal Pitch |
1.27mm |
Base Part Number |
UC3903 |
Output |
Open Drain or Open Collector |
Pin Count |
20 |
Number of Channels |
4 |
Max Supply Voltage |
40V |
Min Supply Voltage |
8V |
Operating Supply Current |
7mA |
Power Dissipation |
1W |
Max Supply Current |
18mA |
Adjustable Threshold |
YES |
Quiescent Current |
7mA |
Watchdog Timer |
No |
Reset |
Active Low |
Number of Voltages Monitored |
4 |
Reset Timeout |
Adjustable/Selectable |
Height |
4.57mm |
Length |
8.96mm |
Width |
8.96mm |
Thickness |
4.06mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
UC3903Q Overview
As you can see, this power management is mounted through 20 terminals. This power ic is packaged in a way that looks like a Tube. There are 1 functions included in this PMIC so that you can refer to them. On this supervisor, there is a series of 4 channels that can be found. Please refer to power management for 20-LCC (J-Lead) functions. This IC power shares lots of benefits with other Multi-Voltage Supervisor products. As specified in the package specification, the peak reflow temperature of the package is set at 260. IC management conducts at a voltage of 15V. Power ics operate at 4 supply voltages. In this case, this PMIC chip can be sub-categorized as a Power Management Circuits chip. Power management has a total of 20 pins. 20 pins are present on the power management system. In order for this IC power to function, the supply voltage (Vsup) cannot be less than 8V. The supply voltage (Vsup) should not exceed 40V volts in this IC power. The mounting type of the supervisors is Surface MountThe temperature of the supervisors should be set to this range: 0°C~70°C TA. Power management has an output of Open Drain or Open Collector during operation. The supervisor's supply current is specified to 7mA. To find similar IC managements from the manufacturer, you can always search by UC3903. A maximum supply temperature of 18mA can be used with this power management.
UC3903Q Features
Multi-Voltage Supervisor type
Minimum supply voltage of 8V
7mA operating supply current
UC3903Q Applications
There are a lot of Texas Instruments UC3903Q Voltage Supervisors applications.
- Important electronics for automotive safety
- Radio
- Transformer load monitoring equipment
- Solar power charger
- Electric heating appliances
- Analog circuit
- Medical-specific insulation monitor
- Battery-powered equipment
- Detection of phase loss
- Stable power system