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參數(shù)資料
| 型號： | PT5800 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 18-A 5-V Input Adjustable Integrated Switching Regulator |
| 中文描述： | 18 - 5 - V輸入可調(diào)集成開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 203K |
| 代理商： | PT5800 |
For technical support and more information, see inside back cover or visit www.ti.com
Note A:
Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note B:
SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.
Efficiency vs Output Current
Power Dissipation vs Output Current
Performance Data; V
in
=5V
(See Note A)
Output Ripple vs Output Current
PT5800 Series
18-A 5-V Input Adjustable
Integrated Switching Regulator
Pin Descriptions
Vin:
The positive supply voltage input for the module
with respect to the common ground (
GND
).
Vout:
This is the regulated output voltage from the mod-
ule with respect to the common ground (
GND
).
GND:
The common ground node to which the input,
output, and external control signals are referenced.
Sense(–):
Provides the regulator with the ability to sense
the set-point voltage directly across the load. For opti-
mum output voltage accuracy this pin should always be
connected to
GND
, even for applications that demand a
relatively light load.
Sense(+):
When used with
Sense(–)
, the regulation circuitry
will compensate for voltage drop between the converter
and the load. The pin may be left open circuit, but con-
necting it to
V
out
will optimize load regulation.
Inhibit*:
This is an open-collector (open-drain) negative
logic input, referenced to
GND
. Pulling this pin to
GND
disables the module’s output voltage. If
Inhibit*
is
left open circuit, the output will be active whenever a
valid input source is applied.
V
o
Adjust:
This pin is used to trim the output voltage
over a typical range of ±15% of nominal. The adjust-
ment method uses an external resistor. The resistor is
connected from
V
o
Adjust
to either the
(-)Sense
or
(+)Sense
,
in order to adjust the output either up or down, respec-
tively. Consult the related application note for the adjust
limits of a specific part.
Margin Dn*:
When this open-collector (open-drain) input
is asserted to
GND
, the output voltage is automatically
decreased by 5% from the nominal. This feature is used in
applications where the load circuit must be tested for
operation at the extreme values of its supply voltage
tolerance.
Margin Up*:
This is an open-collector (open-drain) input.
When this is asserted to
GND
, the output voltage is
automatically increased by 5% from the nominal.
Typical Characteristics
50
60
70
80
90
100
0
3
6
9
12
15
18
Iout (A)
E
PT5801
PT5802
PT5803
PT5804
PT5805
PT5806
0
10
20
30
40
50
0
3
6
9
12
15
18
Iout (A)
R
PT5802
PT5801
PT5803
PT5804
PT5805
PT5806
0
1
2
3
4
5
6
0
3
6
9
12
15
18
Iout (A)
P
20
30
40
50
60
70
80
90
0
3
6
9
12
15
18
Iout (A)
A
200LFM
120LFM
60LFM
Nat conv
Airflow
Safe Operating Curves; V
in
=5V
(See Note B)
SLTS171A JANUARY 2003 - REVISED - MARCH 2003
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PT5801 | 18-A 5-V Input Adjustable Integrated Switching Regulator |
| PT5802 | 18-A 5-V Input Adjustable Integrated Switching Regulator |
| PT5803 | 18-A 5-V Input Adjustable Integrated Switching Regulator |
| PT5804 | 18-A 5-V Input Adjustable Integrated Switching Regulator |
| PT5805 | 18-A 5-V Input Adjustable Integrated Switching Regulator |
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