MITSUMI
Low-Noise, Low-Satulation Three-Pin Regulator MM1180, 1181
Low-Noise, Low-Satulation Three-Pin Regulator
Monolithic IC MM1180, 1181
Outline
MM1180 series is high withstand voltage, low noise stabilized power supply with reduced reactive current at
low input voltage and small input / output differential voltage 0.2V at 40mA output current. The output current
is up to 100mA. MMP-4P package can control output ON / OFF by ON / OFF terminal.
Features
1. Input voltage 16V max.
2. Input / output differential voltage 0.2V typ. (Io=40mA)
3. Output noise voltage 100µV
RMS typ.
4. Maximum output current 100mA max.
5. No-load input current 300µA typ.
6. With thermal shutdown circuit
7. Output rank G : 5.0V±4% J : 3.0V±4%
I : 4.0V±4% Z : 3.3V±4%
H : 4.5V±4% C : 4.8V±4% (MM1181)
8. Output ON / OFF control function
(MMP-4A only)
On/Off Pin Level Low High
MM1180 output ON OFF
MM1181 output OFF ON
Package
TO-92A (MM1180 T, MM1181 T)
MMP-4A (MM1180 M, MM1181 M)
*
The output voltage rank appears in the boxes.
Applications
1. Handheld computers
2. Handy transceivers
3. Cordless phones
4. Portable equipment with battery
1 VOUT
2 VIN
3
ON/OFF terminal
4 GND
1 VIN
2 GND
3 V
OUT
12
43
MMP-4A
123
TO-92A
Pin Assignment
MITSUMI
Low-Noise, Low-Satulation Three-Pin Regulator MM1180, 1181
Equivalent Circuit Diagram
ON/OFF circuit
Absolute Maximum Ratings
Item Symbol Rating Unit
Storage temperature T
STG
-
40~+125 °C
Operating temperature T
OPR
-
20~+75 °C
Supply voltage V
CC max.
-
0.3~16 V
Output current I
OUT 100 mA
Allowable loss Pd
200 (MMP-4A), 300 (T0-92A)
mW
Electrical Characteristics
(Ta=25°C)
Item Symbol Measurement conditions Min. Typ. Max. Units
4.80 5.00 5.20
4.32 4.50 4.68
Output voltage Vo
V
IN=Vo+1V
3.84 4.00 4.16 V
Io=40mA
2.88 3.00 3.12
3.17 3.30 3.43
No-load input current Iccq V
IN=Vo+1V, Io=0µA 300 450 µA
Min Input / output differential voltage
Vd min. VIN=Vo min., Io=40mA 0.2 0.3 V
Line regulation V2 V
IN=(Vo+1V)~16V, Io=40mA
±0.01 ±0.1
%/V
Load regulation V1 V
IN=Vo+1V, Io=0~100mA
±0.01 ±0.03
%/mA
Output voltage temperature coefficient
Vo/T Ta=-20~+75°C ±100
ppm/°C
Ripple rejection rate RR
V
IN=Vo+2V, f=120Hz, Io=40mA
50 60 dB
V
RIPPLE=1V
MITSUMI
Low-Noise, Low-Satulation Three-Pin Regulator MM1180, 1181
MM1180
Off input current Iccq2 VIN=Vo+1V 3 5 µA
On / Off terminal current I
ON V (ON/OFF) =2.4V 5 8 µA
On / Off terminal current I
OFF V (ON/OFF) =0.6V 1 2 µA
MM1181
Off input current Iccq2 V
IN=Vo+1V 3 5 µA
On / Off terminal current I
ON V (ON/OFF) =0.6V 1 2 µA
On / Off terminal current I
OFF V (ON/OFF) =2.4V 5 8 µA
ON / OFF Terminal Level
High 2.4 V
IN+0.3 V
Low
-
0.3 0.6 V
Thermal Shutdown
Fall V
IN=Vo+1V 135 145 155 °C
Rise V
IN=Vo+1V 80 °C
Current Limit (drooping type)
Current Limit V
IN=Vo+1V 150 200 mA
Measuring Circuit
MITSUMI
Low-Noise, Low-Satulation Three-Pin Regulator MM1180, 1181
Characteristics
(MM1180G)
Output current (mA)
0 20 40 60 80 100
0.1
0.2
0.3
0.4
V
IN=4.8V
Input / output voltage difference (V)
Input voltage (V)
0246810121416
400
300
200
100
500
I
O=0mA
No-road input current (µA)
Input / output voltage difference
Output voltage temperature characteristic
Allowable loss
Output voltage characteristic Line regulation
No-load input current
Temperature (°C)
-
50 0 50 100 150
5.0
4.9
4.8
V
IN=6V, IO=40mA
Output voltage (V)
MMP-4A board mounted
50 75 1 (mm)
Phenol board
Temperature (°C)
0 25 50 75 100 125
100
200
300
400
500
-
25
TO-92A
MMP-4A
Allowable loss (mW)
Input voltage (V)
0246810121416
8
6
4
2
10
I
O=40mA
Output voltage (V)
Input voltage (V)
0246810121416
2
1
0
V
IN=6V, IO=40mA
-
1
Line regulation (mV)
MITSUMI
Low-Noise, Low-Satulation Three-Pin Regulator MM1180, 1181
Time (uS)
0 150 200 25050 100
0
50
-
50
0
50
V
IN=6V, COUT=1µF
Output
voltage (mV)
Output
current (mA)
Time (uS)
0 30405010 20
6
8
-
500
0
500
R
L=125Ω, COUT=1µF
Output
voltage (mV)
Input
voltage (V)
Load transient response
Ripple rejection Output current characteristic
Line transient response
Frequency (Hz)
10 100 1K 10K 100K
20
0
40
60
80
V
IN=7V, Vr=1V, IO=40mA
Ripple rejection (dB)
2
4
6
8
10
Output current (mA)
40 80 120 160 2000
V
IN=6V
Output Voltage (V)
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