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PDF MM1564J Data sheet ( Hoja de datos )
| Número de pieza | MM1564J | |
| Descripción | 500mA Regulator | |
| Fabricantes | Mitsumi Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MM1564J (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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MITSUMI
500mA Regulator
Monolithic IC MM156
500mA Regulator MM156 F
F
Outline
This IC is a small, stable power supply with output voltage precision of ±2% (when IO = 250mA), maximum
output current of 500mA, and I/O voltage difference of 0.3V typ. at 250mA.
Output noise reduction and output ON/OFF control pins are provided, making it ideal for portable equipment.
Features
1. No-load current consumption
2. I/O voltage difference
3. Ripple rejection rate
4. Output current
5. Output noise voltage
6. Output voltage rank
7. Output ON/OFF control
1.9mA typ.
0.3V typ. (IO=250mA)
64dB typ. (f=120Hz, VRIPPLE=1VP-P, IO=250mA)
500mA max.
75µVrms typ.
1.8 ~ 5.0V (0.1V steps)
High ON, Low OFF
Package
SOP-7B
Applications
1. Cordless telephone
2. Portable equipment, etc.
Pin Assignment
765
1234
SOP-7B
(TOP VIEW)
1
2
3
4
5
6
7
VO
NC
GND
Cn
CONT
Sub
VIN
1 page  
MITSUMI
Measuring Circuit
A
CIN=1µF
Ceramic
7
VIN
500mA Regulator MM156 F
A
65
Sub Cont
A
V
VO NC GND Cn
1234
Co=2.2µF
*Ceramic
Cn=470pF
Ceramic
Application Circuit
Input
765
CIN=1µF
Ceramic VIN Sub Cont
To load
Co=2.2µF
*Ceramic
VO
1
NC GND Cn
234
Cn=470pF
Ceramic
Note
*Temperature Characteristics: B Type
1. The output capacitor is required between output and GND to prevent oscillation.
2. Use a capacitance that is within the ESR characteristics stable range for output capacity.
It is possible to use a ceramic capacitor without ESR resistance for output.
The ceramic capacitor must be used more than 2.2µF and B type temperature characteristics.
3. The wire of Vcc and GND is required to print full ground plane for noise and stability.
4. The input capacitor must be connected a distance of less than 1cm from input pin.
5. The capacitor is connected to Cn must have low leakage current characteristics, because Cn pin is high
impedance.
6. The 6pin (heat sink pin) must be connected to GND. This pin can be only connected to GND.
7. In case the output voltage is above the input voltage, the overcurrent flow by internal parasitic diode from
output to input. In such application, the external bypass diode must be connected between output and
input pin.
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MM1564J.PDF ] | |
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