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參數(shù)資料
| 型號： | PT6715C |
| 英文描述： | 30V Single N-Channel HEXFET Power MOSFET in a D-Pak package; A IRLR8743PBF with Standard Packaging |
| 中文描述： | 開關(guān)電源控制器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 205K |
| 代理商： | PT6715C |
Application Notes
For technical support and more information, see inside back cover or visit www.ti.com
PT6705/PT6715 Series
Adjusting the Output Voltage of the PT6705 and
PT6715 Excalibur
Series of Regulators
Both the PT6705 and PT6715 series ISRs are non-
programmable versions of the PT6700 Excalibur
family of converters. The output voltage of these regula-
tors have a fixed output voltage, which may be adjusted
higher or lower than the factory pre-set voltage using a
single external resistor. Table 2-1 gives the adjustment
range for each model in the series as V
a
(min) and V
a
(max).
Adjust Up:
An increase in the output voltage is obtained by
adding a resistor R
2
, between pin 1 (V
o
Adjust) and pin 7
(Remote Sense GND).
Adjust Down:
and pin 17 (Remote Sense V
out
).
Add a resistor
(R
1
)
, between pin 1 (V
o
Adjust)
Refer to Figure 2-1 and Table 2-2 for both the placement and
value of the required resistor, either
(R
1
)
or R
2
as appropriate.
Figure 2-1
Notes:
1. Use only a single 1% resistor in either the
(R
1
)
or R
2
location. Place the resistor as close to the regulator as
possible.
2. Never connect capacitors from V
o
Adjust to either GND,
V
out
, or the Remote Sense pins. Adding capacitance to the
V
o
Adjust pin will affect the stability of the ISR.
3. If the Remote Sense feature is not being used, pin 7 must
be connected to pin 8 for optimum output voltage accuracy.
Correspondingly the resistors
(R
1
)
and R
2
may be then be
connected from V
o
Adjust to either V
out
or GND
respectively.
L
O
A
D
(R1)
Adj Down
R2
Adjust Up
C
out
+
C
in
+
COM
+5V
Vo
COM
PT6705/PT6715
Sns(+)
Sns(-)
V
out
GND
Vo(adj)
V
in
Stby*
V
Bias
13
–
16
17
7
1
8
–
12
4,5,6
2
3
Bias
(Req'd for PT6705)
The values of
(R
)
[adjust down], and R
[adjust up], can
also be calculated using the following formulas.
R
o
( V
a
–V
r
)
V
o
– V
a
(R
1
)
=
– R
s
k
R
o
·V
r
V
a
– V
o
– R
s
k
R
2
=
Where: V
o
= Original output voltage
= Adjusted output voltage
= Reference voltage (Table 2-1)
R
o
= Resistance constant (Table 2-1)
R
s
= Internal series resistance (Table 2-1)
V
a
V
r
4. The PT6705 series requires a 12V external bias voltage in
order to operate (see data sheet). An external bias voltage is
not required for the PT6715 series.
5. Adjusting the output voltage of the PT6705 and PT6715
(3.3V output) higher than the factory pre-set voltage may
require an increase in the minimum input voltage. These
two models must comply with the following requirements
for V
in
(min).
PT6705:
V
in
(min)
= (V
a
+ 1)V
PT6715:
V
in
(min)
= (V
a
+ 1)V or 4.5V, whichever is greater.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT6715N | 功能描述:DC/DC轉(zhuǎn)換器 3.3Vout 13A 5V-Inp CU Case Adj ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PT6716 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2.5Vout 13 Amp 5V-Input Adjustable ISR. CU Case |
| PT6716A | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2.5Vout 13A 5V-Inp CU Case Adj ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PT6716C | 功能描述:REG 5V TO 2.5V 12A BIAS SMD RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT6710 標(biāo)準(zhǔn)包裝:10 系列:PT4570 類型:隔離 輸出數(shù):1 電壓 - 輸入（最?。?36V 電壓 - 輸入（最大）:75V Voltage - Output 1:9V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:3.3A 電源（瓦） - 制造商系列:30W 電壓 - 隔離:1.5kV（1500V） 特點:- 安裝類型:表面貼裝 封裝/外殼:19-SIP SMD 模塊 尺寸/尺寸:3.00" L x 1.19" W x 0.50" H（76.2mm x 30.2mm x 12.7mm） 包裝:托盤 工作溫度:-40°C ~ 85°C 效率:84% 電源（瓦特）- 最大:30W |
| PT6716N | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2.5Vout 13A 5V-Inp CU Case Adj ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
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