TNY178PN

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TNY178PN

IC OFFLINE SWITCH PMIC 8DIP

  • Manufacturer
  • Mfr. Part #TNY178PN
  • Package DIP-8C
  • Datasheet
  • In Stock2290

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Specifications

Package Tube
ProductStatus Active
OutputIsolation Isolated
InternalSwitch(s) Yes
Voltage-Breakdown 650V
Topology Flyback
Voltage-Supply(Vcc/Vdd) 85V ~ 265V
DutyCycle 65%
Frequency-Switching 132kHz
Power(Watts) 28 W
FaultProtection Current Limiting, Over Temperature, Over Voltage
ControlFeatures EN
OperatingTemperature -40°C ~ 150°C (TA)
Package/Case 8-DIP (0.300, 7.62mm), 7 Leads
SupplierDevicePackage 8-PDIP-C

Overview

Description

TNY178PN is a TinySwitch-II family offline switch IC from Power Integrations. It integrates a high-voltage MOSFET (≈700 V) and the control circuitry in an 8-pin DIP package (PN). Designed for small, low-cost flyback power supplies, it supports direct connecting to rectified mains (85–265 VAC) and provides a simple, low-part-count solution.
Key features:
- 700 V on-chip MOSFET, built-in controller
- Current limit, overvoltage/thermal protection, soft-start
- Fixed-frequency PWM with efficiency-enhancing techniques (e.g., valley switching)
- Primary-side regulation (PSR) with optional opto feedback
- Low standby power and suitable for isolated power supplies in the low-watt range
Typical applications:
- Wall adapters, small chargers, LED drivers, and other isolated offline supplies needing a few watts.

Features

Here are the main features of TNY178PN (TinySwitch-II family):
- Integrated high-voltage MOSFET rated around 700 V with valley switching for high efficiency
- Fixed-frequency current-mode control (typical switching ~65 kHz)
- Primary-side regulation capability (PSR) for regulation without an optocoupler in suitable designs
- Built-in startup current source; no external bias winding required
- Off-line flyback operation with 85–265 VAC input range
- Protective functions: overcurrent/short-circuit with hiccup auto-restart, over-temperature protection
- Low standby power and good efficiency at light loads
- 8-pin DIP package (TNY178PN)
Designed for compact, low-power offline flyback power supplies (a few watts to several watts, depending on transformer design).

Package

TNY178PN comes in an 8-pin DIP (Plastic DIP) package (through-hole).

Pinout

- Pin count: 8 pins (DIP-8/SO-8 package)
- Function: TinySwitch-II offline switcher with an integrated high-voltage MOSFET and control circuitry for flyback converters; provides primary-side regulation (no optocoupler) and current‑mode control for compact switch‑mode power supplies.

Manufacturer

- Manufacturer: Power Integrations.
- What kind of company: A semiconductor company that designs and manufactures high-voltage power conversion and power-management ICs for switch-mode power supplies.

Application

Used in cost‑effective, off‑line isolated SMPS with flyback topology: low‑power AC–DC adapters (wall warts) and chargers, USB power adapters for mobile devices, and small LED‑driver circuits in consumer electronics.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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