DMG2305UX-7
Manufacturer
Model
DMG2305UX-7
Category
The DMG2305UX-7 P-channel MOSFET is optimized for low-voltage switching applications with its 20V rating, 5A current handling, and 45mΩ RDS(on). Ideal for IoT devices and battery systems where space and efficiency are critical. Requires careful thermal management and gate drive optimization to maximize performance within -55°C to +150°C operating range.
Reference Pricing
Reference Stock
Specifications
| Drain Current (Id) | -5A |
| Drain-Source Voltage (Vds) | -20V |
| Gate-Source Voltage (Vgs) | +/-12V |
| On-Resistance (Rds(on)) | 35mΩ |
| Operating Temperature Range | -55℃ to 150℃ |
| Package Material | Not specified |
| Package Type | SOT-23 |
| Rated Voltage | -20V |
| Switching Speed | 5.6ns - 11.2ns |
| Threshold Voltage (Vth) | -0.4V |
| Transconductance (gm) | 12.8S |
Function And Role
Core Function
P-channel MOSFET for low-voltage switching applications
Key Characteristics
- 20V drain-source voltage (Vdss)
- 5A continuous drain current (Id)
- 45mΩ on-resistance (RDS(on)) at 4.5V gate-source voltage
- 400mV gate threshold voltage (Vgs(th))
- 1.31W power dissipation (Pd)
- 151pF reverse transfer capacitance (Crss) at 15V
- 1.2nF input capacitance (Ciss) at 15V
- 14.3nC gate charge (Qg) at 4.5V
Application Domains
Basic Scenarios
- Low-power IoT devices
- Battery management systems
- Motor control circuits
- Power supply regulation
Extended Scenarios
- Solar inverter systems
- Consumer electronics
- Automotive electronic control units
- LED driver circuits
Precautions
| Soldering | Use fine pitch soldering tools for SOT-23 package |
| Current Limit | Max continuous current: 5A (peak 8A for 10ms) |
| Voltage Limit | Max Vdss: 20V (transient up to 30V) |
| Thermal Management | Operating temperature: -55°C to +150°C |
| Storage | Store in dry environment below 85% RH |
| Risk Warnings |
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Alternative Model Params
- Vdss (drain-source voltage)
- Id (continuous drain current)
- RDS(on) (on-resistance)
- Vgs(th) (gate threshold voltage)
- Pd (power dissipation)
Design Recommendations
| Layout | Ensure 10mil trace width for gate drive |
| Thermal | Use copper pour for heat dissipation |
| Compatibility | Verify with 3.3V/5V logic families |
| Testing | Check Crss/Ciss at 100% duty cycle |
Market Positioning
| Strengths |
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| Weaknesses |
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