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Part Number: SCI7654M
Description: The SCI7654 is a highly efficient, but low power-consumption DC-to-DC converter based on the advanced ...
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SCI7654M
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DataSheet
General Description
SCI7654M General Description
The SCI7654 is a highly efficient, but low power-consumption DC-to-DC converter based on the advanced CMOS technologies. It can generate an output voltage double/triple/quadruple times higher than the input (in negative direction) if 4/3/2 external capacitors are attached.
With a built-in voltage regulator, the SCI7654 can provide a stable output by setting the DC/DC output to any voltage via two external resistors. This is optimum to the LCD panel power supply as the stable output can have the negative temperature gradient required for an LCD panel.
SCI7654M Maximum Ratings
|
Rating |
Symbol |
Min. |
Max. |
Unit |
Remark |
| Input Power Voltage |
VIN |
-26.0/N |
VDD +0.3 |
V |
N=Boosting time; at VIN pin |
| Input Pin Voltage |
VI |
VIN -0.3 |
VDD +0.3 |
V |
POFF1, POFF2 TC1, TC2, FC pins |
| Output Pin Voltage 1 |
V0C1 |
VIN -0.3 |
VDD +0.3 |
V |
At C1P and C2P pins |
| Output Pin Voltage 2 |
V0C2 |
2 *VIN -0.3 |
VIN +0.3 |
V |
At C1N pin |
| Output Pin Voltage 3 |
V0C3 |
3 *VIN -0.3 |
2 *VIN +0.3 |
V |
At C2N pin |
| Output Pin Voltage 4 |
V0C4 |
4 *VIN -0.3 |
3 *VIN +0.3 |
V |
At C3N pin |
| Regulator Input Power Voltage |
VRI |
N* VIN -0.3 |
VDD +0.3 |
V |
N=Boosting time; at VRI pin |
| Regulator Input Pin Voltage |
VRV |
N* VIN -0.3 |
VDD +0.3 |
V |
N=Boosting time; at RV pin |
| Output Voltage |
V0 |
N *VIN -0.3 |
VDD +0.3 |
V |
N=Boosting time; at VOUT and VREG pins |
| Input Current |
IIN |
- |
80 |
mA |
At VIN pin |
| Output Current |
IOUT |
- |
N4: 20 N>4: 80/N |
mA |
N=Boosting time; at VOUTand VREG pins |
| Allowable Loss |
Pd |
- |
210 |
mW |
- |
| Operating Temperature |
Topr |
-30 |
85 |
°C |
- |
| Storage Temperature |
Tstg |
-55 |
150 |
°C |
- |
| Soldering Temperature and Time |
Tsol |
- |
260•10 |
°C.S |
Temperature at leads |
SCI7654M Features
An input voltage can be boosted double/triple/quadruple to negative potential.
Input voltages: 2.4 to 5.5V (quadruple boosting), 2.4 to 7.3V (triple boosting), 2.4 to 11.0V (double boosting)
Excellent vol tage conversion efficiency: 95% (Typ.)
Large output current: 20 mA (Max.) during quadruple boosting
Built-in voltage regulator (for stable voltage output)
Built-in reference voltage source for accurate regulation: 1.5 ±0.05V (CT0)
Regulator output voltage temperature gradient function: 0.04, 0.15, 0.35, 0.55%/°C
Low current consumption: 130 A (Typ.)
Low standby current: 5.0 A (Max.)
Built-in oscillator circuit
5/6-time voltage boosting in negative potential by serial connection
Package: SCI7654M0A SSOP2-16pin (plastic), SCI7654C0A DIP-16pin (plastic)
Input voltages: 2.4 to 5.5V (quadruple boosting), 2.4 to 7.3V (triple boosting), 2.4 to 11.0V (double boosting)
Excellent vol tage conversion efficiency: 95% (Typ.)
Large output current: 20 mA (Max.) during quadruple boosting
Built-in voltage regulator (for stable voltage output)
Built-in reference voltage source for accurate regulation: 1.5 ±0.05V (CT0)
Regulator output voltage temperature gradient function: 0.04, 0.15, 0.35, 0.55%/°C
Low current consumption: 130 A (Typ.)
Low standby current: 5.0 A (Max.)
Built-in oscillator circuit
5/6-time voltage boosting in negative potential by serial connection
Package: SCI7654M0A SSOP2-16pin (plastic), SCI7654C0A DIP-16pin (plastic)
SCI7654M Connection Diagram
SCI7654M0A
PDF/DataSheet Download
- Datasheet: SCI7654M0A
- File Size: 64803 KB
- Manufacturer: EPSON [Epson Company]
- Click here to Download
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