mm3005 Mitsumi Electronics, Corp., mm3005 Datasheet - Page 8

• Manufacturer Part Number: mm3005
• Description: Cmos Switching Regulator Pwm Controlled
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
MITSUMI
Measuring Circuit
Note 1: Coil: L=100µH (Mitsumi C5-K3L) transistor: SANYO 2SD1628
Note 2: The cause of oscillation is due to set wiring and capacitance changes in capacitor caused by
1
2
3
4
Condenser: C=33µF (tantal condenser) Base resistor (Rb) : 1.0kΩ
Shot key barrier diode: ROHM RB491D Base resistor (Cb) : 2200pF
temperatures changes, so please take extra care in placing the wires.
CMOS Switching Regulator (PWM controlled) MM3005~MM3010