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TNY264GN
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TNY264GN 引脚图 - Power Integrations

更新时间: 2024-04-24 01:14:59 (UTC+8)

TNY264GN 引脚图

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Product Highlights
TinySwitch-II
Features Reduce System Cost
Fully integrated auto-restart for short circuit and open
loop fault protection saves external component costs
Built-in circuitry practically eliminates audible noise with
ordinary dip-varnished transformer
Programmable line under-voltage detect feature prevents
power on/off glitches saves external components
Frequency jittering dramatically reduces EMI (~10 dB)
minimizes EMI filter component costs
132 kHz operation reduces transformer size allows use
of EF12.6 or EE13 cores for low cost and small size
Very tight tolerances and negligible temperature variation
on key parameters eases design and lowers cost
Lowest component count switcher solution
Expanded scalable device family for low system cost
Better Cost/Performance over RCC & Linears
Lower system cost than RCC, discrete PWM and other
integrated/hybrid solutions
Cost effective replacement for bulky regulated linears
Simple ON/OFF control no loop compensation needed
No bias winding simpler, lower cost transformer
Simple design practically eliminates rework in
manufacturing
EcoSmart
®
Extremely Energy Efficient
No load consumption <50 mW with bias winding and
<250 mW without bias winding at 265 VAC input
Meets California Energy Commission (CEC), Energy
Star, and EU requirements
Ideal for cell-phone charger and PC standby applications
High Performance at Low Cost
High voltage powered ideal for charger applications
High bandwidth provides fast turn on with no overshoot
Current limit operation rejects line frequency ripple
Built-in current limit and thermal protection improves
safety
Description
TinySwitch-II integrates a 700 V power MOSFET, oscillator,
high voltage switched current source, current limit and
thermal shutdown circuitry onto a monolithic device. The
start-up and operating power are derived directly from
the voltage on the DRAIN pin, eliminating the need for
a bias winding and associated circuitry. In addition, the
Figure 1. Typical Standby Application.
OUTPUT POWER TABLE
PRODUCT
3
230 VAC ±15%
85-265 VAC
Adapter
1
Open
Frame
2
Adapter
1
Open
Frame
2
TNY263 P or G
5 W
7.5 W
3.7 W
4.7 W
TNY264 P or G
5.5 W
9 W
4 W
6 W
TNY265 P or G
8.5 W
11 W
5.5 W
7.5 W
TNY266 P or G
10 W
15 W
6 W
9.5 W
TNY267 P or G
13 W
19 W
8 W
12 W
TNY268 P or G
16 W
23 W
10 W
15 W
Table 1. Notes: 1. Minimum continuous power in a typical non-
ventilated enclosed adapter measured at 50 °C ambient.
2. Minimum practical continuous power in an open frame
design with adequate heat sinking, measured at 50 °C
ambient (See Key Applications Considerations). 3. Packages: P:
DIP-8B, G: SMD-8B. For lead-free package options, see Part
Ordering Information.
TinySwitch-II devices incorporate auto-restart, line under-
voltage sense, and frequency jittering. An innovative design
minimizes audio frequency components in the simple ON/OFF
control scheme to practically eliminate audible noise with
standard taped/varnished transformer construction. The fully
integrated auto-restart circuit safely limits output power during
fault conditions such as output short circuit or open loop,
reducing component count and secondary feedback circuitry
cost. An optional line sense resistor externally programs a line
under-voltage threshold, which eliminates power down glitches
caused by the slow discharge of input storage capacitors present
in applications such as standby supplies. The operating frequency
of 132 kHz is jittered to significantly reduce both the quasi-peak
and average EMI, minimizing filtering cost.
April 2005
PI-2684-101700
-
S
EN/UV
BP
D
Wide-Range
HV DC Input
+
DC
Output
-
Optional
UV Resistor
+
TNY263-268
TinySwitc
h
®
-II
Family
Enhanced, Energy Efficient,
Low Power Off
-line Switcher
页面指南

TNY264GN 数据手册 PDF

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