ONSEMI UC3845BVN

Manufacturer No:

UC3845BVN

Manufacturer:

ONSEMI

Package:

8-DIP (0.300, 7.62mm)

Description:

8 Terminals 7.6V~30V 8-Pin UC384*B DC to DC converter IC SWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver

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UC3845BVN information

ONSEMI UC3845BVN technical specifications, attributes, parameters and parts with similar specifications to ONSEMI UC3845BVN.

Type
Parameter

Mounting Type
Through Hole

Package / Case
8-DIP (0.300, 7.62mm)

Surface Mount
NO

Number of Pins
8

Operating Temperature
-40°C~105°C TA

Packaging
Tube

Published
2000

JESD-609 Code
e0

Part Status
Obsolete

Moisture Sensitivity Level (MSL)
1 (Unlimited)

Number of Terminations
8

ECCN Code
EAR99

Terminal Finish
Tin/Lead (Sn/Pb)

Terminal Position
DUAL

Terminal Pitch
2.54mm

Frequency
275kHz

Base Part Number
UC384*B

Function
Step-Up, Step-Up/Step-Down

Number of Outputs
1

Output Voltage
5.1V

Output Type
Transistor Driver

Operating Supply Voltage
30V

Input Voltage-Nom
15V

Analog IC - Other Type
SWITCHING CONTROLLER

Output Current
1A

Voltage - Supply (Vcc/Vdd)
7.6V~30V

Quiescent Current
12mA

Control Features
Frequency Control

Topology
Boost, Flyback

Control Mode
CURRENT-MODE

Frequency - Switching
500kHz

Input Voltage (Max)
25V

Control Technique
PULSE WIDTH MODULATION

Rise Time
50ns

Synchronous Rectifier
No

Fall Time (Typ)
50 ns

Switcher Configuration
SINGLE

Max Duty Cycle
48 %

Height Seated (Max)
4.45mm

Width
7.62mm

RoHS Status
RoHS Compliant

Lead Free
Contains Lead

Download datasheets and manufacturer documentation for ONSEMI UC3845BVN.

Product Description:

The ON Semiconductor UC3845BVN is a switching controller IC designed for step-up and step-up/step-down DC-DC converters. This analog IC is based on the UC384*B family and features a current-mode control technique with pulse-width modulation (PWM) for efficient and stable operation.

Features:

Frequency Control: The UC3845BVN allows for frequency control, making it suitable for a wide range of applications.
Current-Mode Control: The IC operates in current-mode control, ensuring stable and efficient operation.
Pulse Width Modulation: The IC uses PWM for efficient and stable operation.
Step-Up and Step-Up/Step-Down Capability: The IC can be used for both step-up and step-up/step-down DC-DC converters.
High Output Current: The IC can handle an output current of up to 1A.
Wide Operating Range: The IC operates with an input voltage range of 7.6V to 30V and an operating temperature range of -40°C to 105°C.

Applications:

Primary Applications: The UC3845BVN is suitable for use in DC-DC converters, power supplies, and other applications where efficient and stable operation is required.
Secondary Applications: The IC can also be used in other applications such as motor drives, lighting systems, and other power conversion systems.

Alternative Parts:

Alternative Part 1: The UC3845BVN can be replaced with the UC3845B, which is a similar IC with similar features and specifications.
Alternative Part 2: The UC3845BVN can also be replaced with the UC3845D, which is another similar IC with similar features and specifications.

Embedded Modules:

Module 1: The UC3845BVN is used in the ON Semiconductor's DC-DC converter modules for power supplies and other applications.
Module 2: The IC is also used in motor drive modules for efficient and stable operation.

FAQs:

Q: What is the frequency range of the UC3845BVN? A: The UC3845BVN operates at a frequency range of 275kHz to 500kHz.

Q: What is the maximum input voltage of the UC3845BVN? A: The maximum input voltage of the UC3845BVN is 25V.

Q: What is the output voltage of the UC3845BVN? A: The output voltage of the UC3845BVN is 5.1V.

Q: Is the UC3845BVN RoHS compliant? A: No, the UC3845BVN is not RoHS compliant.

Q: What is the packaging of the UC3845BVN? A: The UC3845BVN is packaged in an 8-DIP (0.300, 7.62mm) package with a tube packaging.

Q: Is the UC3845BVN obsolete? A: Yes, the UC3845BVN is an obsolete part.

User Guide

PURCHASE

Please verify all part numbers, quantities, and packaging preferences before placing your order. If substitutions are acceptable, please indicate this clearly. For time-sensitive projects, confirm estimated delivery dates and stock availability in advance. Once submitted, changes or cancellations may not be possible, especially for items marked as non-cancellable/non-returnable (NCNR). For international shipments, please ensure all import documentation is complete and accurate to avoid delays.

MEANS OF PAYMENT

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and Wire Transfer. Net terms may be available for qualified customers upon approval.

RFQ (REQUEST FOR QUOTATIONS)

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Provide target prices and acceptable alternatives, if any, to speed up the quotation process.

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

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SHIPPING COST

1. Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).
2. Some specific products need to reach the minimum order quantity.
3. It may cost additional remote fees for delivery if you are in a remote area.

SHIPPING METHOD

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

DELIVERY TIME

1. Once the goods are shipped, estimated delivery time depends on the shipping methods you chose: FedEx International, 5-7 business days.
2. For in-stock parts, orders normally could be shipped out within 1-2days.