MITSUMI
Voltage and Current Control (dual op-amp and shunt regulator) (quad op-amp and shunt regulator) MM1377, 1378
V...
MITSUMI
Voltage and Current Control (dual op-amp and shunt regulator) (quad op-amp and shunt regulator) MM1377, 1378
Voltage and Current Control (dual op-amp and shunt regulator) (quad op-amp and shunt regulator)
Monolithic IC MM1377, 1378
Outline
The MM1377 incorporates an op-amp with a dual low-input offset
voltage and a shunt regulator; the MM1378 combines a quad low-input offset
voltage op-amp and shunt regulator. They are appropriate for use in battery chargers, switching power supplies and other
voltage and current control applications. Op-amps with low input offset
voltage are particularly well-suited for handling current detection signals and other low-amplitude signals.
Features
Op-amp unit 1. Input offset
voltage 2. Input offset current 3. Input bias current 4. Common-mode input
voltage range 5. Power supply current
0.2mV typ. 5nA typ. 30nA typ. 0~VCC-1V 0.6mA typ.
Shunt regulator unit 1. Reference
voltage 2. Reference
voltage fluctuation (-20~+80°C) 3. Minimum cathode current
2.5V typ. 5mV typ. 0.4mA typ.
Package
SOP-8C, SOP-8E (MM1377) SOP-14B (MM1378)
Applications
1. Charger 2. Switching power supply 3. AC adapter
Block Diagram
MM1377
MM1378
MITSUMI
Voltage and Current Control (dual op-amp and shunt regulator) (quad op-amp and shunt regulator) MM1377, 1378
Pin Assignment
MM1377
MM1378
8765 1234 SOP-8C, SOP-8E
14 13 12 11 10 9 8 1234567
SOP-14B
1 AOUT 2 AIN3 AIN+(REF) 4 GND 5 BIN+ 6 BIN7 BOUT 8 VCC
1 AOUT 8
2 AIN- 9
3
AIN+(REF)
10
4 VCC 11
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