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 POWER SUPPLY ICs
ICS
Operational amplifier IC(Secondary Side Controlling Function)
Monolithic IC MM1837XF
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[Outline]
This IC comes with dual operational amplifiers and shunt regulator (2.5V) function.
It can be used for controlling the secondary side of AC adaptor.
It can also be used in a part of application circuit of our IC MM3460 for LED light.

[Features]
Op-amp unit
1. 
Input offset voltage Typ.0.2mV, Max0.9mV
2. 
Input bias current 30nA
3. 
Power supply current 0.6mA
4. 
Voltage gain 100dB
5. 
Common-mode signal rejection ratio     85dB
6. 
Power supply voltage rejection ratio 100dB
7. 
Output outflow current 35mA
8. 
Output inflow current 20mA
Shunt regulator unit
1. 
Reference voltage 2.5V
2. 
Minimum cathode current 0.4mA
3. 
Dynamic inpedance 0.4Ω


[Package]
SOP-8C


[Applications]
1. Li-ion battery charger
2. AC adaptor
3. Reference voltage source


[Pin Assignment]

SOP-8C

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[NOTE]
-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.
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