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Mitsumishi
Mitsumishi

MM1573x Datasheet Preview

MM1573x Datasheet

(MM157xx) 150mA Regulator

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MM1573x pdf
MITSUMI
150mA Regulator
Monolithic IC MM157
150mA Regulator MM157 N, 161 N
N, 161 N
Outline
This IC is an ultra-small, low noise, stable power supply that supports ceramic capacitors (low ESR) Output
current goes up to 150mA, and use of a noise pin reduces output noise even further.
Output ON/OFF can be controlled with the ON/OFF pin.
Features
1. I/O voltage difference
0.10V typ. (IO=50mA)
2. Output noise voltage
30µVrms typ. (Cn=0.01µF)
3. Recommended maximum output current 150mA max.
4. No-load current consumption
85µA typ.
5. Built-in overcurrent protection and thermal shutdown circuits
6. Output voltage rank
1.8 ~ 5.0V (0.1V steps)
7. Output ON/OFF control function
High: ON, Low: OFF
Package
SOT-25A (MM157 N, MM161 N)
* contains the output voltage rank.
Applications
1. Cordless telephone
2. Cellular telephone, PHS
3. Portable MD
4. Other battery-powered portable equipment
Pin Assignment
MM157 N
5
41
VIN
2 GND
3
m1 2 3
4
5
.coSOT-25A
u(TOP VIEW)
www.datasheet4 *The component MM161
Cont
Noise
VO
N is MM157
MM161 N
1 Cont
2 GND
3 Noise
4 VOUT
5 VIN
N with changed pin configuration.



Mitsumishi
Mitsumishi

MM1573x Datasheet Preview

MM1573x Datasheet

(MM157xx) 150mA Regulator

No Preview Available !

MM1573x pdf
MITSUMI
Equivalent Circuit Diagram
150mA Regulator MM157 N, 161 N
VIN
Cin
1µF
Bias
Cont
Reference
Driver
Current
limitter
VO
Co
1µF
GND
Thermal
shutdown
Noise
Cn
0.01µF
Pin Description Typical model: MM157 N
Pin No.
1
Pin name
VIN
Function
Input pin
The capacitor is required to
connect with input pin
more than 1µF.
2
GND
Ground
3
Cont
ON/OFF Control pin
Cont
H
L
VO
ON
OFF
Cont pin must be
connected with VIN pin, if it
is not used.
Internal equivalent circuit diagram
Input
circuit


Part Number MM1573x
Description (MM157xx) 150mA Regulator
Maker Mitsumishi
Total Page 10 Pages
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