The output voltage line-up is 1.5-5V (0.1V step) and a adjustable type.
A protection function is built in a current limiter and a thermal shutdown.
The applications is for standard power supply of home equipment by SOT89-5 package.
Features
1. Output current
2. No load input current
3. Input current (OFF)
4. Output voltage range
5. Output voltage accuracy
6. Dropout voltage
7. Line regulation
8. Load regulation
9. Ripple rejection
10. Output noise voltage
11. Output Capacitor
300mA
85µA typ.
0.1µA max.
1.5-5.0V (0.1V step)
±1.5%
0.12V typ. (I
O
=150mA)
10mV typ. (V
in
=Vo+1.5-2.5V)
15mV typ. (I
O
=0~300mA)
70dB typ. (f=120Hz)
30µVrms typ. (C
n
=0.01µF)
1µF (Ceramic)
Package
SOT89-5
Applications
1. TVs
2. DVD, BD-Players, Recorders
3. Games
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
300mA LDO MM189x Series
Block Diagram
V
in
C
in
1µF
V
O
Bias
C
O
1µF
Driver
Current
limitter
C
ont
Reference
Thermal
shutdown
GND
C
n
0.01µF
Pin Assignment
5
4
1
2
3
1
2
3
4
5
Cn
GND
Cont
V
in
V
O
SOT89-5
(TOP VIEW)
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
300mA LDO MM189x Series
Pin Description
Pin No.
Pin name
Functions
Noise decrease pin
Connecting 0.01µF capacitor
Internal equivalent circuit diagram
1
Cn
can decrease output noise. If
the noise decrease capacitor is
not connected, the pin may be
influenced by outside noise.
40k
2
GND
Ground
ON/OFF Control pin
Cont
H
L
Cont pin must be connected
with Vin pin, if it is not used.
3
Cont
900k
1200k
Input pin
4
V
in
The capacitor is required to
connect with input pin more
than 1µF.
Input
circuit
Output pin
5
V
O
The capacitor must be
connected with output pin more
than 1µF.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
300mA LDO MM189x Series
Absolute Maximum Ratings
Item
Storage Temperature
Operating Temperature
Supply Voltage
Max Output Current
Power Dissipation
(Except where noted otherwise Ta=25°C)
Symbol
T
stg
T
opr
V
in
I
out
Pd
Ratings
−55~+150
-40~+85
-0.3~+13.2
400
690(Note1)
Units
°C
°C
V
mA
mW
Note1 : With the PC Board of glass epoxy.
(50 50 1.6mm)
Recommended Operating Conditions
Item
Output Current
Operating Voltage
Symbol
I
out
V
op
(Except where noted otherwise Ta=25°C)
Ratings
0~300
2.2~12.6
Units
mA
V
Electrical Characteristics 1
Item
No-Load Input Current
Input Current(OFF)
Output Voltage (Note3)
Dropout Voltage (Note4)
Line Regulation
Load Regulation
V
OUT
Temperature Coefficient (Note2)
Ripple Rejection (Note2)
Output Noise Voltage (Note2)
Cont Pin Input Current
Cont Pin High Threshold Level
Cont Pin Low Threshold Level
I
CC
Iccoff
V
OUT
Vio
V1
V2
(Except where noted otherwise V
in
=V
O
(typ.)+1V, I
O
=1mA, V
cont
=1.6V, Ta=25°C)
Measurement conditions
I
O
=0mA
V
cont
=0V
I
O
=1mA
V
in
=V
O
-0.2V, I
O
=150mA
V
in
=V
O
+1.5~V
O
+2.5V, I
O
=1mA
I
O
=0~300mA
Tj=-40~+85°C
f=120Hz
Vripple=1V, I
O
=100mA
f
BW
=20~80kHz, C
n
=0.01µF, I
out
=100mA
f
BW
=20~80kHz, C
n
=OPEN, I
out
=100mA
10
1.6
-0.3
50
0.985
0.12
10
15
±100
70
30
150
20
30
V
in
+0.3
0.4
Min. Typ. Max. Units
85
0
140
0.1
1.015
0.24
20
60
µA
µA
V
V
mV
mV
ppm/°C
dB
µVrms
µA
V
V
Symbol
V
OUT
/ T
RR
V
n
I
cont
V
cont
H
V
cont
L
Note2 : The parameter is guaranteed by design.
Note3 : Please refer to another page.
Note4 : The parameter is not guaranteed in the model less than V
OUT
=2V.
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
300mA LDO MM189x Series
Electrical Characteristics 2
Model No.
MM1891F
MM1891G
MM1891H
MM1891J
MM1891K
MM1892A
MM1892B
MM1892C
MM1892D
MM1892E
MM1892F
MM1892G
MM1892H
MM1892J
MM1892K
MM1893A
MM1893B
MM1893C
MM1893D
MM1893E
MM1893F
MM1893G
MM1893H
MM1893J
MM1893K
MM1894A
MM1894B
MM1894C
MM1894D
MM1894E
MM1894F
MM1894G
MM1894H
MM1894J
MM1894K
MM1895A
(Except where noted otherwise V
in
=V
O
(typ.)+1V, I
O
=1mA, V
cont
=1.6V, Ta=25°C)
Output Voltage (V)
Min.
1.478
1.576
1.675
1.773
1.872
1.970
2.069
2.167
2.266
2.364
2.463
2.561
2.660
2.758
2.857
2.955
3.054
3.152
3.251
3.349
3.448
3.546
3.645
3.743
3.842
3.940
4.039
4.137
4.236
4.334
4.433
4.531
4.630
4.728
4.827
4.925
Typ.
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
Max.
1.523
1.624
1.726
1.827
1.929
2.030
2.132
2.233
2.335
2.436
2.538
2.639
2.741
2.842
2.944
3.045
3.147
3.248
3.350
3.451
3.553
3.654
3.756
3.857
3.959
4.060
4.162
4.263
4.365
4.466
4.568
4.669
4.771
4.872
4.974
5.075
Measurement Conditions
I
O
=1mA
• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
