參數(shù)資料
型號: PT6314A
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 3 A SWITCHING REGULATOR, 550 kHz SWITCHING FREQ-MAX, SMA12
封裝: SIP-12
文件頁數(shù): 3/8頁
文件大?。?/td> 521K
代理商: PT6314A
Application Notes
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
PT6100/6210/6300 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 Va (max).
Adjust Up:
An increase in the output voltage is obtained by
adding a resistor R2, between pin 12 (Vo adjust) and pins 5-8
(GND).
Adjust Down:
Add a resistor (R1), between pin 12 (Vo adjust)
and pins 9-11(Vout).
Figure 1
The values of (R1) [adjust down], and R2 [adjust up], can
also be calculated using the following formulas. Refer to
Figure 1 and Table 2 for both the placement and value of the
required resistor; either (R1) or R2 as appropriate.
Ro (Va – 1.25)
(R1)
=
Vo – Va
k
1.25 Ro
k
R2
=
Va – Vo
Where: Vo = Original output voltage
Va = Adjusted output voltage
Ro = The resistance value fromTable 1
Table 1
ISR ADJUSTMENT RANGE AND FORMULA PARAMETERS
1Adc Rated
PT6102
PT6101
PT6103
2Adc Rated
PT6216
PT6213
PT6212
PT6214
3Adc Rated
PT6314
PT6303
PT6302
PT6304
Vo (nom)
1.5
3.3
5.0
12.0
Va (min)
1.3
1.8
1.88
2.18
2.43
Va (max)
1.9
6.07
11.25
8.5
22.12
Ro (k
)
8.25
66.5
150.0
90.9
243.0
R2
Adjust
Up
C1
1
F Ceramic
(Optional)
C2
100
F
(Req'd)
Vo
COM
Vin
+
(R1)
Adj Down
PT6100/6200/6300
9,10,11
12
5,6,7,8
2,3,4
Vin
Vo
G N D
Vo(adj)
Notes:
1. Use only a single 1% resistor in either the (R1) or R2
location. Place the resistor as close to the ISR as possible.
2. Never connect capacitors from Vo adjust to either GND
or Vout. Any capacitance added to the Vo adjust pin will
affect the stability of the ISR.
3. 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. The limits are model dependant.
PT6216/PT6314:
Vin (max) = (10 x Va)V or 17V, whichever is less.
Vin (min) = 9.0V
All other models:
Vin (max) = (8 x Va)V or as specified.
Vin (min) = (Va + 4)V or 9V, whichever is greater.
相關(guān)PDF資料
PDF描述
PT6303CT 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
PT6302N 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
PT6304A 3 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, SMA12
PT6303A 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
PT6303C 3 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA12
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT6314C 功能描述:REG 1.5V 3A ADJ 12SIP HRZ SMD RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT6300 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:- 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
PT6314N 功能描述:REGULATOR 1.5V 3A ADJ 12SIP VRT RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:PT6300 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
PT6315 制造商:JVC Worldwide 功能描述:IC (MONO-OTHER)
PT6315_10 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:VFD Driver/Controller IC
PT6315-S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:螢光顯示幕驅(qū)動器IC