The UM3429S is a synchronous step-up DC-DC converter designed to deliver up to 600mA output current with a high efficiency of up to 92%. It operates at a switching frequency of 500kHz, allowing for the use of low-profile inductors and capacitors. The input voltage range is from 0.5V to 5.0V, while the output voltage can be adjusted between 2.5V and 5V. This device features true output load disconnection, an internal synchronous rectifier, and a low voltage start-up capability of 0.85V. It also includes pulse skipping mode operation for improved efficiency at light loads, with a typical quiescent current of 20OºA and a shutdown current of less than 1OºA. The UM3429S is suitable for applications such as digital cameras, LCD bias supplies, handheld instruments, and wireless handsets. It comes in a compact SOT23-6 package, making it ideal for space-constrained designs.
Win Source Part Number: 1372161-UM3429S
Category: Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators
Package: Tape & Reel
Temperature Range - Operating: 150°C (TJ)
Fake Threat In the Open Market: 60 pct.
MSL Level: 3 (168 Hours)
Mfr: Union Semiconductor International Limited
Product Status: Active
Package / Case: SOT-23-6
Supplier Device Package: SOT-23-6
Base Product Number: UM3429
Mounting Type: Surface Mount
HTSUS: 8542.39.0001
REACH Status: REACH Unaffected
ECCN: EAR99
Function: Step-Up
Output Type: Adjustable
Output Configuration: Positive
Voltage - Input (Max): 5V
Voltage - Output (Min/Fixed): 2.5V
Voltage - Output (Max): 5V
Current - Output: 600mA
Topology: Boost
Number of Outputs: 1
Voltage - Input (Min): 0.5V
Frequency - Switching: 500kHz
Synchronous Rectifier: Yes
STEP UP DC DC CONVERTER
STEP UP DC DC CONVERTER
Boost Switching Regulator IC Positive Adjustable 2.5V 1 Output 600mA SOT-23-6
Boost Switching Regulator IC Positive Adjustable 2.5V 1 Output 600mA SOT-23-6
| Win Source Electronics | Acme Chip Technology Co., Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|
| Product Category | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators | IC Switching Voltage Regulators |
| Product Number | 1372161-UM3429S | UM3429S | UM3429S | UM3429S |
| Product Name | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators | Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | Voltage Regulators - DC DC Switching Regulators |
| Configuration / Function | Boost; Boost | Boost | ||
| Output Voltage Type | Adjustable / Variable; Adjustable | Adjustable / Variable; Adjustable | ||
| Package Type | SOT23; Other; Tape & Reel | SOT23; Other; SOT-23-6 | ||
| Special Features | Multiple Outputs; Synchronous Rectification | |||
| fsw | 500 kHz | 500 kHz | 500 kHz |
