Texas Instruments UC3825N, Dual PWM Controller, 1000 kHz 16-Pin, PDIP
- RS Stock No.:
- 436-3305P
- Mfr. Part No.:
- UC3825N
- Brand:
- Texas Instruments
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Subtotal 10 units (supplied in a tube)*
£36.90
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£44.30
(inc. VAT)
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In Stock
- Plus 209 unit(s) shipping from 27 October 2025
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Units | Per unit |
|---|---|
| 10 - 49 | £3.69 |
| 50 - 99 | £3.47 |
| 100 - 249 | £3.26 |
| 250 + | £3.04 |
*price indicative
- RS Stock No.:
- 436-3305P
- Mfr. Part No.:
- UC3825N
- Brand:
- Texas Instruments
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Texas Instruments | |
| Maximum Switching Frequency | 1000 kHz | |
| Output Current | 1.5 A | |
| Number of Outputs | 2 | |
| Control Method | Current, Voltage | |
| Fall Time | 30ns | |
| Mounting Type | Through Hole | |
| Rise Time | 30ns | |
| Package Type | PDIP | |
| Topology | Boost, Buck, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull | |
| Pin Count | 16 | |
| Maximum Duty Cycle | 85% | |
| Dimensions | 19.3 x 6.35 x 4.57mm | |
| Length | 19.3mm | |
| PWM Controller Type | Current Mode | |
| Width | 6.35mm | |
| Height | 4.57mm | |
| Minimum Operating Temperature | 0 °C | |
| Maximum Operating Temperature | +70 °C | |
Select all | ||
|---|---|---|
Brand Texas Instruments | ||
Maximum Switching Frequency 1000 kHz | ||
Output Current 1.5 A | ||
Number of Outputs 2 | ||
Control Method Current, Voltage | ||
Fall Time 30ns | ||
Mounting Type Through Hole | ||
Rise Time 30ns | ||
Package Type PDIP | ||
Topology Boost, Buck, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull | ||
Pin Count 16 | ||
Maximum Duty Cycle 85% | ||
Dimensions 19.3 x 6.35 x 4.57mm | ||
Length 19.3mm | ||
PWM Controller Type Current Mode | ||
Width 6.35mm | ||
Height 4.57mm | ||
Minimum Operating Temperature 0 °C | ||
Maximum Operating Temperature +70 °C | ||
Flyback Controller, Voltage Control, Texas Instruments
The isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation to improve transient response to large load steps. Primary-Side Regulation (PSR) eliminates the need for an Optocoupler.
The Texas Instruments UC1825 family of PWM control ICs is optimized for high frequency switched mode power supply applications. Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier. This controller is designed for use in either current-mode or voltage mode systems with the capability for input voltage feed-forward.
Compatible with Voltage or Current Mode Topologies
Practical Operation Switching Frequencies to 1MHz
50ns Propagation Delay to Output
High Current Dual Totem Pole Outputs (1.5A Peak)
Wide Bandwidth Error Amplifier
Fully Latched Logic with Double Pulse Suppression
Pulse-by-Pulse Current Limiting
Soft Start / Max. Duty Cycle Control
Under-Voltage Lockout with Hysteresis
Low Start Up Current (1.1mA)
Practical Operation Switching Frequencies to 1MHz
50ns Propagation Delay to Output
High Current Dual Totem Pole Outputs (1.5A Peak)
Wide Bandwidth Error Amplifier
Fully Latched Logic with Double Pulse Suppression
Pulse-by-Pulse Current Limiting
Soft Start / Max. Duty Cycle Control
Under-Voltage Lockout with Hysteresis
Low Start Up Current (1.1mA)
Flyback Controllers, Texas Instruments
Current-Mode and Voltage-Mode PWM Controller
Primary-Side Regulation
Peak Power Mode
Low Power
Primary-Side Regulation
Peak Power Mode
Low Power