UCC25701DG4 vs STR-X6750F
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| Category | PMIC - AC DC Converters, Offline Switchers | PMIC - AC DC Converters, Offline Switchers |
| Manufacturer | Texas Instruments | Sanken |
| Description | IC REG CTRLR BST FLYBK VM 14SOIC | IC OFFLINE SWITCH FLYBACK TO3P |
| Package | 14-SOIC (0.154", 3.90mm Width) | Bulk |
| Series | - | STR-X6700 |
| Operating Temperature | -55°C ~ 150°C (TJ) | -20°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | TO-3P-7 Full Pack, Formed Leads |
| Supplier Device Package | 14-SOIC | TO-3P |
| Topology | Boost, Flyback, Forward | Flyback |
| Voltage - Supply (Vcc/Vdd) | 9 V ~ 15 V | 9.7V ~ 35V |
| Frequency - Switching | 700kHz | 19kHz ~ 25kHz |
| Control Features | Soft Start, Sync | Soft Start |
| Internal Switch(s) | No | Yes |
| Output Isolation | Isolated | Isolated |
| Voltage - Start Up | 13V | 18.2 V |
| Duty Cycle | 99% | - |
| Fault Protection | Current Limiting | Current Limiting, Over Load, Over Voltage |
| Power (Watts) | - | - |
| Voltage - Breakdown | - | 650V |
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1. What is an AC/DC converter in a PMIC and what does it do?
An AC/DC converter is a power management IC that converts alternating current (AC) to direct current (DC). It is commonly used in home appliances, industrial equipment, and consumer electronics to provide a stable DC power supply for the circuit.
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2. What is an offline switching power supply and how is it different from other AC/DC converters?
An offline switching power supply (Offline Switcher) is an AC/DC converter that can directly obtain power from the mains without an external transformer. It is suitable for inputs with a wide voltage range and usually has efficient switching regulation.
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3. What are some common applications of PMIC AC/DC converters?
PMIC AC/DC converters are widely used in scenarios that require AC power to DC, such as chargers, adapters, LED driver power supplies, industrial control equipment, smart home devices, and battery management systems.
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4. Are offline switching power supplies suitable for high power applications?
Offline switching power supplies can be used for high power applications, but proper heat dissipation and power management solutions must be designed to ensure conversion efficiency and stability. Choosing a suitable topology such as LLC resonant converter can also help achieve high power output.
