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TL3845D-8 The Texas Instruments TL3845D-8 is a current mode PWM controller designed for DC-to-DC converters. It operates with a voltage range of 7.6V to 30V and features a maximum duty cycle of 48%.
Mfr Part #:

TL3845D-8

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL3845D-8 is a current mode PWM controller designed for DC-to-DC converters. It operates with a voltage range of 7.6V to 30V and features a maximum duty cycle of 48%.
✓ Total Stock: 8,431 pcs
$ Price Range: $0.58

TL3845D-8 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
8,431 pcs
On Request
8431 pcs On Request 1 On Request On Request 18+ On Request On Request
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TL3845D-8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
SVHC Present
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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TL3845D-8 Description

Short technical summary and product information.

The TL3845D-8 from Texas Instruments is an economy single-ended, current mode PWM controller. It is optimized for off-line and DC-to-DC converters, providing features necessary for fixed-frequency current-mode control schemes with minimal external components.

 

Key electrical specifications include an operating voltage range of 7.6V to 30V and a maximum duty cycle of 48%. The controller operates at a frequency of 100kHz and includes features such as frequency control, undervoltage lockout, and pulse-by-pulse current limiting. It is designed to be interchangeable with UC2842 and UC3842 series controllers.

 

This device is housed in an 8-SOIC package, suitable for surface mount applications. The operating temperature range is from 0°C to 70°C (TA). Its functionality supports boost, flyback, and forward converter topologies, making it versatile for various power supply designs.

TL3845D-8 Quick Information

Product Type: DC DC Switching Controller
Series: TL384x
Canonical Name: TL3845D-8 Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

TL3845D-8 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TL3845D-8 Estimated Pricing

Qty Low High
1+ $0.58 $0.58

Estimated market price range - modelled values for guidance only, not live distributor offers.

TL3845D-8 Features

  • Current mode PWM controller for DC-DC converters.
  • Operates from 7.6V to 30V input voltage.
  • Maximum duty cycle is 48%.
  • Surface mount 8-SOIC package.
  • Optimized for off-line and DC-to-DC applications.

TL3845D-8 Applications

  • Used in DC-to-DC power supplies.
  • Suitable for off-line converters.
  • Supports boost converter designs.
  • Applicable to flyback converter circuits.
  • Forward converter topology support.

TL3845D-8 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TL3845D-8?

7.6V to 30V.

What package does the TL3845D-8 come in?

8-SOIC (0.154", 3.90mm width).

What is the operating temperature range?

0°C to 70°C.

What topologies does the TL3845D-8 support?

Boost, flyback, and forward converter.

What is the switching frequency of the TL3845D-8?

100kHz, with capability for 500kHz operation.

What is the output type of the TL3845D-8?

Transistor driver.

What is the maximum duty cycle?

48% (50% per manufacturer data).

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