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MFG:FUJ Package Cooled:SMD-16
Part Number: MB3802
MFG: FUJ
Package Cooled: SMD-16
Description: The MB3802 is a power management switch incorporating two switch circuits with extremely low ON resist...
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MB3802
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DataSheet
General Description
MB3802 General Description
The MB3802 is a power management switch incorporating two switch circuits with extremely low ON resistance.
NO diode is required because the switch block is configured with an N-ch MOS to prevent reverse current at switch OFF.
The MB3802 starts at a very low voltage (typical VIN > 2.2V) and a stable ON resistance is obtained irrespective of the switching voltage because the internal DC/DC converter applies the optimum voltage for the N-ch MOS gate at switch ON.
Moreover, the load-side capacitor is discharged at switch OFF, and the power supply for various power supply systems is switched efficiently.
MB3802 Maximum Ratings
(Ta = +25°C)
| Parameter | Symbol | Condition | Ratings | Unit |
| Input Voltage | VIN | - | 0.3 to 7.0 | V |
| Switching voltage | VSW | At switch OFF | 0.3 to 7.0 | V |
| At switch ON | 0.3 to 7.0 | |||
| Switching current | ISW | At switch-ON peak | 3.6 | A |
| Permissible loss | PD | Ta + 75°C | 290 | mW |
| Storage Temperature | Tstg | - | 55 to +125 | °C |
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
MB3802 Features
• Extremely low ON resistance:
RON = 0.12 (typical)
RON = 0.06 (typical at parallel connection)
• Reverse current protection at load side at switch OFF
• Operation start at low input voltage: VIN > 2.2 V (typical)
• Low power consumption
At switch OFF: IIN (input voltage) = 0 A, VIN = 0 V
At switch ON: IIN = 230 mA, VIN = 5 V
• Load discharge function
• External control of ON/OFF time
• Break-before-make operation
RON = 0.12 (typical)
RON = 0.06 (typical at parallel connection)
• Reverse current protection at load side at switch OFF
• Operation start at low input voltage: VIN > 2.2 V (typical)
• Low power consumption
At switch OFF: IIN (input voltage) = 0 A, VIN = 0 V
At switch ON: IIN = 230 mA, VIN = 5 V
• Load discharge function
• External control of ON/OFF time
• Break-before-make operation
MB3802 Connection Diagram
MB3802
PDF/DataSheet Download
- Datasheet: MB3802
- File Size: 127046 KB
- Manufacturer: FUJITSU [Fujitsu Media Devices Limited]
- Click here to Download
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