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UC3844AD8
Power Supply Controller PWM Controller 8-SOIC
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Manufacturer:
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Mfr.Part #:
UC3844AD8
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Datasheet:
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Output Type:
Transistor Driver
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Function:
Step-Up, Step-Down, Step-Up/Step-Down
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Output Configuration:
Positive, Isolation Capable
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Topology:
Boost, Buck, Flyback, Forward
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EDA/CAD Models:
Availability: 3099 PCS
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UC3844AD8 General Description
The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.
Key Features
- Optimized for Off-Line and DC-DC Converters
- Low Start-Up Current (< 0.5 mA)
- Trimmed Oscillator Discharge Current
- Automatic Feedforward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Undervoltage Lockout With Hysteresis
- Double Pulse Suppression
- High-Current Totem Pole Output
- Internally-Trimmed Bandgap Reference
- Up to 500-kHz Operation
- Create a Custom Design Using the UCx84xA With the WEBENCH Power Designer
Specifications
Category | Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers | Series | - |
Output Type | Transistor Driver | Function | Step-Up, Step-Down, Step-Up/Step-Down |
Output Configuration | Positive, Isolation Capable | Topology | Boost, Buck, Flyback, Forward |
Number of Outputs | 1 | Output Phases | 1 |
Voltage - Supply (Vcc/Vdd) | 10V ~ 30V | Frequency - Switching | Up to 500kHz |
Duty Cycle (Max) | 48% | Synchronous Rectifier | No |
Clock Sync | No | Serial Interfaces | - |
Control Features | Frequency Control | Operating Temperature | 0°C ~ 70°C (TA) |
Mounting Type | Surface Mount | Base Product Number | UC3844 |
Service Policies and Others
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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
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Availability: 3099 PCS
+BOMQty. | Unit Price | Ext. Price |
---|---|---|
1+ | $1.086 | $1.09 |
10+ | $0.918 | $9.18 |
30+ | $0.832 | $24.96 |
75+ | $0.674 | $50.55 |
525+ | $0.624 | $327.60 |
1500+ | $0.598 | $897.00 |
The prices below are for reference only.
All bill of materials (BOM) can be sent via email to [email protected], or fill below form to Quote for UC3844AD8, guaranteed quotes back within 12hr.
Delivery is very long-1 week. Modules work normally