توضیحات
Description
LC LM2662 positive pressure conversion negative pressure module carry a LM2662 high precision voltage conversion chip, it can conversion 1.5V-5.5V Positive voltage to corresponding the negative voltage.
Features
Effective input voltage:1.5 V to 5.5 V
Oscillation frequency: adjustable
A typical output resistance: 3.5 ohms
Size: 20 x 10mm
Pinout
V + : positive voltage input
GND: switching power supply
V – : negative voltage output
When the FC in short two solder joint can choose internal crystal frequency is 150 KHZ, disconnected internal crystals to 20 KHZ;
When the input voltage is less than 3.5 V LV place two bonding pad should be short, when the input voltage is greater than 3.5 V to be disconnected.
نقد و بررسیها
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