Linear Technology LT3472
the LT3472 uses tiny, low profile capacitors and inductors and generates low noise outputs that are easy to filter. The entire solution is less than 1mm profile and occupies just 50mm2. The LT3472 is available in a low profile (0.75mm) 10-pin 3mm × 3mm DFN package.| Part No. | LT3472 |
|---|---|
| Datasheet | LT3472 Download |
| Manufacturer |  Linear Technology |
| Description | Boost And Inverting DC/DC Converter |
| Buy | Stock & Price |
FEATURES
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● 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 U APPLICATIO S
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● CCD Bias TFT LCD Bias OLED Bias ± Rail Generation for Op Amps , LTC and LT are registered trademarks of Linear Technology Corporation. TYPICAL APPLICATIO VIN 3V TO 4.2V 22µH 47µH Li-Ion CCD Bias Supply Conversion Efficiency 2.2µF 1µF 85 80 75 POS CHANNEL EFFICIENCY (%) VPOS 15V 20mA SWP VPOS 550k FBP 4.7pF VIN SWN DN 70 65 60 55 50 LT3472 320k FBN 10pF 47µH VNEG –8V 50mA SHDN SHDN SSP GND 100nF SSN 100nF 2.2µF 45 40 0 10 30 20 LOAD CURRENT (mA) 40 50 2.2µF 3472 TA01a U U NEG CHANNEL 3472 TA01b 3472f 1 LT3472 ABSOLUTE (Note 1) AXI U RATI GS U W U PACKAGE/ORDER I FOR ATIO TOP VIEW SWP VIN SHDN SWN DN 1 2 3 4 5 11 10 VPOS 9 SSP 8 FBP 7 SSN 6 FBN VIN, SHDN Voltage ................................
