參數(shù)資料
型號(hào): PTH03030W
英文描述: Fully-integrated linear lighting ballast, IR21571, European version, 230VAC line, 36W/T8 lamp
中文描述: 30答:3.3 - V輸入寬輸出調(diào)節(jié)插入電源模塊
文件頁(yè)數(shù): 2/8頁(yè)
文件大?。?/td> 181K
代理商: PTH03030W
For technical support and more information, see inside back cover or visit www.ti.com
A
Pin Descriptions
GND:
This is the common ground connection for the
Vin
and
Vout
power connections. It is also the 0 VDC
reference for the control inputs.
Vin:
The positive input voltage power node to the mod-
ule, which is referenced to common
GND
.
Inhibit:
The Inhibit pin is an open-collector/drain negative
logic input that is referenced to
GND
. Applying a low-
level ground signal to this input disables the module’s
output and turns off the output voltage. When the
Inhibit
control is active, the input current drawn by the regula-
tor is significantly reduced. If the
Inhibit
pin is left
open-circuit, the module will produce an output when-
ever a valid input source is applied.
Vo Adjust:
A 0.5 %, 0.1 W resistor must be connected
between this pin and the GND pin to set the output
voltage to the desired value. The set point range for the
output voltage is from 0.8 V to 2.5 V. The resistor required
for a given output voltage may be calculated from the
following formula. If left open circuit, the module out-
put will default to its lowest output voltage value. For
further information on the adjustment and/or trimming
of the output voltage, consult the related application note.
R
set
= 10 k · 0.8 V
V
out
– 0.8 V
– 2.49 k
The specification table gives the preferred resistor values
for a number of standard output voltages.
Vo Sense:
The sense input allows the regulation circuit to
compensate for voltage drop between the module and
the load. For optimal voltage accuracy
Vo Sense
should
be connected to
Vout
. It can also be left disconnected.
Vout:
The regulated positive power output with respect
to the
GND
node.
Track:
This is an analog control input that allows the
output voltage to follow another voltage during power-
up and power-down sequences. The pin is active from
0 V up to the nominal set-point voltage. Within this
range the module’s output will follow the voltage at the
Track
pin on a volt-for-volt basis. When the control volt-
age is raised above this range, the module regulates at its
nominal output voltage. If unused, this input maybe left
unconnected. For further information consult the related
application note.
Margin Down:
When this input is asserted to
GND
, the
output voltage is decreased by 5% from the nominal. The
input requires an open-collector (open-drain) interface.
It is not TTL compatible. A lower percent change can
be accomodated with a series resistor. For further infor-
mation, consult the related application note.
Margin Up:
When this input is asserted to
GND
, the
output voltage is increased by 5%. The input requires an
open-collector (open-drain) interface. It is not TTL
compatible. The percent change can be reduced with a
series resistor. For further information, consult the
related application note.
Ordering Information
Output Voltage
(PTH03020 xx)
Code
Voltage
W
0.8 V – 2.5 V (Adjust)
Package Options
(PTH03020x
Code
Description
AH
Horiz. T/H
AS
SMD, Standard
(3)
)
(1)
Pkg Ref.
(2)
(EUK)
(EUL)
Notes:
(1) Add “T” to end of part number for tape and reel on SMD packages only.
(2) Reference the applicable package reference drawing for the dimensions and PC board layout
(3) “Standard” option specifies 63/37, Sn/Pb pin solder material.
PTH03020 Series
3.3-V Input
22-A, 3.3-V Input Non-Isolated
Wide-Output Adjust Power Module
SLTS206A
MAY 2003
REVISED MAY 2003
相關(guān)PDF資料
PDF描述
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PTH05000W Fully-integrated linear lighting ballast, IR21571, European version, 230VAC line, 36W/T8 lamp
PTH12000W 32W Fully-integrated linear lighting ballast, IR21571, U.S. version, 120VAC line, 32W/T8 lamp
PTH12030W Universal Input Linear Fluorescent Ballast using the IR2167
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