ME2149
ULTRA-SMALL PACKAGE
PWM/PFM
SWITCHING CONTROL
STEP-UP SWITCHING REGULATOR
General Description
Features
The ME2149 series is a CMOS step-up
switching regulator which mainly consists of a
reference voltage source, an oscillation circuit,
Low voltage operation: Start-up is guaranteed from
0.9V(IOUT =1 mA )
an error amplifier, a phase compensation circuit,
Duty ratio: Built-in PWM/PFM switching control
circuit 15 to 78 % .
a PWM/PFM switching control circuit. With an
oscillator frequency：1.0MHz
internal low-ON-resistance Nch Power MOS, this
Output voltage range：
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免费人工找货- 国内价格
- 5+0.93669
- 50+0.74466
- 150+0.66226
- 国内价格
- 5+0.78200
- 20+0.71300
- 100+0.64400
- 500+0.57500
- 1000+0.54280
- 2000+0.51980
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