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Union Semiconductor UM3 DataSheet

No. parte # Fabricante Descripción Hoja de Datos
1
UM3502QA

Union Semiconductor
Synchronous Step-Down Converter
z Ultra Small QFN Package 4.0×4.0×1.05 z Integrated Inductor z No Schottky Diode Required z High Efficiency: Up to 90% z 600mA Output Current z 0.6V Minimum Output Voltage z 2.5V to 5.5V Input Voltage Range z <1µA Shutdown Current z Pulse Skipping Mo
Datasheet
2
UM3501

Union Semiconductor
Synchronous Step-Down DC-DC Converter
include lower internal reference voltage with 2% accuracy, over temperature protection, and over current protection. Applications z Cellular and Smart Phones z Microprocessors and DSP Core Supplies z Wireless and DSL Modems z PDAs, GPS z MP3 Player
Datasheet
3
UM37518P

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
4
UM37550S

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
5
UM36519S

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM365xx series are available in a low profile SOT23-3 or SOT323
Datasheet
6
UM3212

Union Semiconductor
Dual bidirectional I2C-bus and SMBus voltage-level translator
z 2-Bit Bidirectional Translator for SDA z Open-Drain I2C-Bus I/O Ports (SCL1, and SCL Lines in Mixed-Mode I2C-Bus SDA1, SCL2 and SDA2) Applications z Provides Bidirectional Voltage z Standard-Mode, Fast-Mode, Fast-Mode Translation with no D
Datasheet
7
UM3243

Union Semiconductor
Enhanced ESD Protection Smart RS-232 Transceivers
enhanced ESD protection with ±15kV for human body mode and ±8kV for IEC61000-4-2 contact discharge mode. Applications z Industrial Controllers and Instruments z Notebooks, Palmtop PCs and Laptops z Networking Routers and Switches z Peripherals z Prin
Datasheet
8
UM3430A

Union Semiconductor
Synchronous Step-Up DC-DC Converter
true output load disconnection and adjustable output with a current limit of 1A. With an internal NMOS switch, PMOS synchronous rectifier and high switching frequency of 1MHz, the UM3430A is capable of supplying 5.0V output at 500mA from single Li-io
Datasheet
9
UM3503QA

Union Semiconductor
Low Profile Power Module
z LDO Replacement z FPGA and DSP Point-of-Load Regulator z Cellular and Smart Phones z MCU, DSP and FPGA Core Supplies z Wireless and DSL Modems z Portable Game Consoles and Instruments z PDAs, GPS z Bluetooth Headsets z Battery-Powered Devices z U
Datasheet
10
UM3500

Union Semiconductor
Synchronous Step-Down DC-DC Converter
z High Efficiency: Up to 96% z 1.5MHz Constant Switching Frequency z 600mA Output Current z Integrated Main Switch and Synchronous Rectifier. No External Schottky Diode. z 2.5V to 5.5V Input Voltage Range z Output Voltage as Low as 0.6V z 100% Duty C
Datasheet
11
UM37538P

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
12
UM37535P

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
13
UM37541S

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
14
UM37538S

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
15
UM37531S

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM375xx series are available in a low profile SOT23-5 and SOT35
Datasheet
16
UM36549P

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM365xx series are available in a low profile SOT23-3 or SOT323
Datasheet
17
UM36548S

Union Semiconductor
VLDO Linear Regulator
include high output voltage accuracy, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM365xx series are available in a low profile SOT23-3 or SOT323
Datasheet
18
UM3304

Union Semiconductor
4-Bit Bidirectional Voltage-Level Translator
z Low-Voltage ASIC Level Translation z Cell-Phone Cradles z Portable POS Systems z Portable Communication Devices z Low-Cost Serial Interfaces z Cell-Phones z GPS z Telecommunications Equipment z 1.2V to 3.6V on A Port and 1.65V to 5.5V on B Port (
Datasheet
19
UM3302

Union Semiconductor
2-Bit Bidirectional Voltage-Level Translator
z Low-Voltage ASIC Level Translation z Cell-Phone Cradles z Portable POS Systems z Portable Communication Devices z Low-Cost Serial Interfaces z Cell-Phones z GPS z Telecommunications Equipment z 1.2V to 3.6V on A Port and 1.65V to 5.5V on B Port (
Datasheet
20
UM3258

Union Semiconductor
Low-Voltage Dual SPDT Analog Switch
z Lower ICC when the S Input is within the Required VIH and VIL Bounds z Low ON-State Resistance (10Ω) z Control Inputs are 5V Tolerant z Low Charge Injection z Excellent ON-State Resistance Matching z Low Total Harmonic Distortion (THD) z 1.65V to 5
Datasheet



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