The CXUS65174 is an unregulated charge-pump voltage inverter which may be used to generate a negative supply from positive input. Input voltages ranging from +1.8V to +5V can be inverted into a -1.8V to -5V output supply. The devices is ideal for both battery- powered and board level voltage conversion applications with a typical operating current of 0.45mA at 3.3V supply. The CXUS65174 can deliver 60mA output current with a voltage drop of 580mV. The parts are over -temperature protected. Applications include cell phones, PDAs, and other portable equipment.
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产品概述 返回TOP
The CXUS65174 is an unregulated charge-pump voltage inverter which may be used to generate a negative supply from positive input. Input voltages ranging from +1.8V to +5V can be inverted into a -1.8V to -5V output supply. The devices is ideal for both battery- powered and board level voltage conversion applications with a typical operating current of 0.45mA at 3.3V supply. The CXUS65174 can deliver 60mA output current with a voltage drop of 580mV. The parts are over -temperature protected. Applications include cell phones, PDAs, and other portable equipment. The devices is available in a space-saving 6-pin SOT-23 and TDFN2X2 6-pin Package.
产品特点 返回TOP
„ Inverts Input Supply Voltage
„ 60mA Output Current with a Voltage Drop of 580mV
„ 0.45mA Quiescent Current at 3.3V Supply Voltage
„ 99% Voltage Conversion Efficiency
„ 1.8V to 5V operating range
„ Require Only Two Capacitors
„ Over-Temperature Protection
„ Logic Controlled Shutdown
„ 6-Pin SOT-23 Package and TDFN2X2 6-pin Package
应用范围 返回TOP
„ Cell Phone „ Small LCD Panels
„ Portable Equipment
„ Handy-Terminals, PDAs
„ Battery-Operated Equipment
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Charge Pump and Current Source |
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|
Part NO. |
Vin(V) min. |
Vin(V) max. |
IOUT (mA) |
FOSC (kHz) |
VOUT (V) |
LED Number |
Eff. (%) |
Note |
Package |
|
3 |
5.5 |
600 |
250 |
1x/2x |
1 |
-- |
Flash LEDdriver,Flash/Torch/SHDN |
TDFN3X3-10 |
|
|
2.7 |
5.5 |
80 |
250 |
1x/2x |
4 |
90 |
4-CH LED in Parallel,PWM control16 levels dimming control |
TDFN2.5X2.5-10 TQFN3X3-16 |
|
|
2.7 |
5 |
90 |
1000 |
4.5/5 |
-- |
88 |
EN,GND,VOUT,C+,VIN,C-,Boost |
TSOT-23-6/TDFN2X2-6 |
|
|
1.8 |
5 |
60 |
270 |
-VIN |
-- |
90 |
IN,EN,GND,C-,C+,OUT,Inverting |
SOT-23-6/TDFN2X2-6 |
|
|
1.8 |
5 |
60 |
270 |
-VIN |
-- |
90 |
NC,CP+,GND,CP-,OUT,NC,NC,IN |
SOP-8 |
|
|
8 |
24 |
10 |
350 |
1.5x |
-- |
-- |
PG,D_CAP |
MSOP-8 |
|
|
8 |
24 |
10 |
370 |
1.5x |
-- |
-- |
PG,D_CAP,12V,ONx,DRIVERx |
TQFN3X3-20 |
|
|
4.5 |
5.5 |
14 |
-- |
2x |
-- |
-- |
2-NMOSFET driver,20mA discharging |
TQFN3X3-20 |
|
