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參數(shù)資料
| 型號(hào)： | MC33263NW-30R2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control |
| 中文描述： | 3 V FIXED POSITIVE LDO REGULATOR, 0.26 V DROPOUT, PDSO6 |
| 封裝： | SOT-23L, 6 PIN |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 269K |
| 代理商： | MC33263NW-30R2 |
MC33263
http://onsemi.com
5
If TJmax is internally limited to 150
°
C, then the MC33263
can dissipate up to 595 mW @ 25
°
C.
The power dissipated by the MC33263 can be calculated
from the following formula:
Ptot
Vin
Ignd(Iout)
Vin
Vout
Iout
or
Vinmax
Ptot
Vout
Iout
Ignd
Iout
If a 150 mA output current is needed, the ground current
is extracted from the data–sheet curves: 6.5 mA @ 150 mA.
For a MC33263NW28R2 (2.8 V), the maximum input
voltage will then be 6.48 V, a rather comfortable margin.
Typical Application
– The following figure portraits the
typical application for the MC33263 where both
input/output decoupling capacitors appear.
Figure 1. A Typical MC33263 Application with
Recommended Capacitor Values
6
5
4
1
2
3
Input
Output
C3
1.0 F
C2
1.0 F
C1
10 nF
On/Off
MC33263
As for any low noise designs, particular care has to be
taken when tackling Printed Circuit Board (PCB) layout.
The following figure gives an example of a layout where
stray inductances/capacitances are minimized.
Figure 2. Printed Circuit Board
Figure 3. Copper Side Component Layout
Input
Output
ON/OFF
Differential (Vin–Vout)
MC33263
C2
C3
+
C1
+
Rpull–up
This layout is the basis for an MC33263 performance
evaluation board where the BNC connectors give the user an
easy and quick evaluation mean.
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| MC33263NW-38R2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC33263NW-40R2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC33263NW-47R2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC33264 | 制造商:SPC Multicomp 功能描述:HEATSINK TO220 11/W 制造商:SPC Multicomp 功能描述:HEATSINK TO220 11C/W 制造商:SPC Multicomp 功能描述:HEAT SINK; Packages Cooled:TO-220; Thermal Resistance:10.4C/W; External Height - Imperial:1.5"; External Height - Metric:38.1mm; External Width - Imperial:1.374"; External Width - Metric:34.9mm; External Length - Imperial:0.5" ;RoHS Compliant: Yes |
| MC33264D-3.8 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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