(China (Mainland))
Product Summary
Description
The LT3472 dual channel switching regulator generates positive and negative outputs for biasing CCD imagers. The device delivers up to –8V at 50mA and 15V at 20mA from a lithium-ion cell, providing bias for many popular CCD imagers. Switching at 1.1MHz, the LT3472 uses tiny, low profile capacitors and inductors and generates low noise outputs that are easy to filter. Schottky diodes are internal and the output voltages are set with one resistor per channel, reducing external component count. The entire solution is less than 1mm profile and occupies just 50mm2.
Internal sequencing circuitry disables the negative channel until the positive channel has reached 88% of its final value, ensuring that the sum of the two outputs is always positive. Separate soft-start capacitors for each output allow the ramp of each output to be independently controlled.
The LT3472 is available in a low profile (0.75mm) 10-pin 3mm × 3mm DFN package.
Among them if you have any need quote or problem, please could you tell us.
E-mail: abel.huang911@gamil.com
MSN:abel.huang@hotmail.com
Features
Generates 15V at 20mA, –8V at 50mA from a
Li-Ion Cell
Internal Schottky Diodes
VIN Range: 2.2V to 16V
Output Voltages Up to ±34V
Capacitor-Programmable Soft-Start
Sequencing: Positive Output Reaches 88% of Final Value Before Negative Output Begins
Requires Only One Resistor to Set Output Voltage
Constant Switching Frequency Ensures Low Noise Outputs
Available in a 10-Lead (3mm × 3mm) DFN Package
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