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參數(shù)資料
| 型號： | PT6222N |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 511K |
| 代理商： | PT6222N |
For assistance or to order, call
(800) 531-5782
3
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
A p p l i c a t i o n
N o t e s
PT6100/6120/6210/6220/6300/6320 Series
Adjusting the Output Voltage of Power Trends’
Wide Input Range Bus ISRs
The output voltage of the Power Trends’ Wide Input Range
Series ISRs may be adjusted higher or lower than the factory
trimmed pre-set voltage with the addition of a single external
resistor. Table 1 accordingly gives the allowable adjustment
range for each model for either series as V
a
(min) and V
a
(max).
Adjust Up:
adding a resistor R2, between pin 12 (V
o
adjust) and pins 5-8
(GND).
An increase in the output voltage is obtained by
Adjust Down:
and pins 9-11(V
out
).
Add a resistor
(R1)
, between pin 12 (V
o
adjust)
Refer to Figure 1 and Table 2 for both the placement and value
of the required resistor; either
(R1)
or R2 as appropriate.
Notes:
1. Use only a single 1% resistor in either the
(R1)
or R2 loca-
tion. Place the resistor as close to the ISR as possible.
2. Never connect capacitors from V
o
adjust to either GND or
V
out
. Any capacitance added to the V
o
adjust pin will affect
the stability of the ISR.
4. Adjustments to the output voltage may place additional
limits on the maximum and minimum input voltage for the
part. The revised maximum and minimum input voltage
limits must comply with the following requirements. Note
that the minimum input voltage limits are also model depen-
dant.
V
in
(max) = (8 x V
a
)V or
*
30/38V,
whichever is less.
*
Limit is 30V when inhibit function is active.
PT6x
0
x/PT6x
1
x series:
V
in
(min) = (V
a
+ 4)V or 9V,
whichever is greater.
PT6x
2
x series:
V
o
<10V;
V
in
(min) = (V
a
+ 2.0)V or 7.0V
whichever is greater.
V
o
≥
10V;
V
in
(min) = (V
a
+ 2.5)V
Figure 1
The values of
(R1)
[adjust down], and R2 [adjust up], can
also be calculated using the following formulae.
R
o
(V
a
– 1.25)
V
o
– V
a
(R1)
=
k
1.25 R
o
V
a
– V
o
k
R2
=
Where: V
o
= Original output voltage
= Adjusted output voltage
R
o
= The resistance value fromTable 1
V
a
Table 1
ISR ADJUSTMENT RANGE AND FORMULA PARAMETERS
PT6102
PT6122
PT6213
PT6223
PT6303
PT6323
1Adc Rated
PT6101
PT6121
PT6103
2Adc Rated
PT6212
PT6222
PT6302
PT6322
PT6214
3Adc Rated
PT6304
Vo (nom)
Va (mn)
Va (max)
Ro (k
)
3.3
1.89
6.07
66.5
5.0
1.88
11.25
150.0
5.0
2.18
8.5
90.9
12.0
2.43
22.12
243.0
R2
Adjust Up
C1
1
μ
F Ceramic
(Optional)
C2
100
μ
F
(Req'd)
Vo
COM
COM
Vin
+
(R1)
Adj Down
PT6100/6200/6300
9,10,11
12
5,6,7,8
2,3,4
Vin
Vo
GND
Vo(adj)
More Application Notes
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| PT6222R | 功能描述:REGULATOR 5V 2A VERT HZ HT RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT6220 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(diǎn):- 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 |
| PT6222S | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2 AMP ADJUSTABLE LOW VOLTAGE INPUT INTEGRATED SWITCHING REGULATOR |
| PT6223 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:3.3V 2A Wide-Input Low Drop-Out Adjustable Step-Down ISR |
| PT6223A | 功能描述:REGULATOR 3.3V 2A HORZ RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT6220 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(diǎn):- 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 |
| PT6223B | 功能描述:REGULATOR 3.3V 2A HSMD HZ HT RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT6220 標(biāo)準(zhǔn)包裝:10 系列:PT4570 類型:隔離 輸出數(shù):1 電壓 - 輸入（最小）: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(diǎn):- 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 |
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