TNY284DG Power Integrations, TNY284DG Datasheet - Page 12

• Manufacturer Part Number: TNY284DG
• Description: AC/DC Switching Converters 8.5 W (85-265 VAC) 11 W (230 VAC)
• Manufacturer: Power Integrations
• Type: Off-Line Switcherr

Specifications of TNY284DG

• Rohs: yes
• Output Voltage: 85 V to 265 V
• Input / Supply Voltage (max): 265 V
• Input / Supply Voltage (min): 85 V
• Supply Current: 400 uA
• Mounting Style: SMD/SMT
• Package / Case: SO-8C
• Number Of Outputs: 1
• Output Power: 11 W

Rev. A 09/12
Quick Design Checklist
As with any power supply design, all TinySwitch-4 designs
should be verified on the bench to make sure that component
specifications are not exceeded under worst case conditions.
The following minimum set of tests is strongly recommended:
1. Maximum drain voltage – Verify that V
2. Maximum drain current – At maximum ambient temperature,
3. Thermal Check – At specified maximum output power,
12
675 V at highest input voltage and peak (overload) output
power. The 50 V margin to the 725 V BV
gives margin for design variation.
maximum input voltage and peak output (overload) power,
verify drain current waveforms for any signs of transformer
saturation and excessive leading edge current spikes at
start-up. Repeat under steady-state conditions and verify
that the leading edge current spike event is below I
the end of the t
drain current should be below the specified absolute
maximum ratings.
minimum input voltage and maximum ambient temperature,
verify that the temperature specifications are not exceeded
for TinySwitch-4, transformer, output diode, and output
capacitors. Enough thermal margin should be allowed for
part-to-part variation of the R
specified in the data sheet. Under low-line, maximum
power, a maximum TinySwitch-4 SOURCE pin temperature
of 110 °C is recommended to allow for these variations.
TNY284-290
LEB(MIN)
. Under all conditions, the maximum
DS(ON)
of TinySwitch-4 as
DS
does not exceed
DSS
specification
LIMIT(MIN)
at
www.powerint.com