MB3790 Selling Leads, Price trend, MB3790 DataSheet download, circuit diagram from SeekIC.com

Features: • Input circuit current consumption when non-loaded: 50 mA [typ]• Output drive current: 200 mA [max]• Resistance between input and output: 0.5 ohms [typ]• Input power-down detection level: 4.2 V ± 2.5 %• On-chip power-on reset circuit• Primary battery ...

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SeekIC No. : 004413275 Detail

MB3790: Features: • Input circuit current consumption when non-loaded: 50 mA [typ]• Output drive current: 200 mA [max]• Resistance between input and output: 0.5 ohms [typ]• Input pow...

MB3790 Data Sheet

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Part Number:: MB3790
Supply Ability:: 5000

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1~5000

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Negotiable

Processing time
15 Days

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Upload time: 2024/11/27

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Product Details

Description

Features:

• Input circuit current consumption when non-loaded: 50 mA [typ]
• Output drive current: 200 mA [max]
• Resistance between input and output: 0.5 ohms [typ]
• Input power-down detection level: 4.2 V ± 2.5 %
• On-chip power-on reset circuit
• Primary battery voltage-down detection levels: 2.65 V, 2.37 V

Pinout

Connection Diagram

Specifications

(Ta = +25°C)

Parameter	Symbol	Conditions		Rating	Unit
Input voltage	V_IN	-		0.3 to 6	v
Battery voltage	V_BAT			0.3 to 6	V
Reset output Voltage	V_RESET			0.3 to VOUT + 0.3 ( 6)	V
Alarm output Voltage	V_ALARM			0.3 to VIN + 0.3 ( 6)	V
Output current	I_OUT			250	mA
Output high current	I_OH	Source current		6	mA
Output low current	I_OL	Sink current		6	mA
Power dissipation	P_D	Ta +25°C	SSOP	450^*	mW
Power dissipation	P_D	Ta +25°C	SOP	540^*	mW
Storage temperature	T_stg	-		55 to +125	°C

* :When mounted on a 4 cm-square double-side epoxy board.
    WARNING: Permanent device damage may occur if the above ABSOLUTE MAXIMUM RATINGS are exceeded.
    Functional operation should be restricted to the conditions as detailed in the operational sections of
    this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect
    device reliability.

Description

The MB3790 is designed to control power supplies to SRAM, logic IC, or other circuit devices and protects them against momentary power failures by using backup batteries. In addition to its function to supply the power to these devices,MB3790 has a function to switch the source of power to the primary or secondary backup battery when the power supply voltage drops below a predetermined level. Also, it outputs a reset signal when the power supply turns on or off or when a fault occurs in the power supply.

Ideally designed as a single-chip IC for power supply control, the MB3790 consumes only a minimal current and comes in a thin-type package. Therefore, it is best suited for power supply control in memory cards and similar other devices.

MB3790

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