方案
按技术分类
Linear Regulators (LDO) | NCP691
概览
The NCP690/ NCP691 /NCP692 devices are designed to be Very Low Dropout (LDO) 1 Amp Linear Voltage regulators. This new CMOS VLDO family provides 1A of output current in either fixed voltage options or an adjustable output voltage from 5.0V down to 1.25V. The devices are designed for space constrained and portable battery powered applications and offer many important features such as high PSRR, low Quiescent and Ground current consumption, low noise operation and short circuit and thermal protection. They offer enhanced ESD protection compared to standard CMOS LDOs and are designed to be used with low cost ceramic capacitors. The NCP691 includes an Enable low function, the NCP692 an enable high, and all three products are packaged in the 6-Lead DFN3x3 package.
应用
- DSP, FPGA, Microprocessor Power Supplies
- SMPS Post-Regulator
- Modem Banks, Routers, Telecom Boards, Computer and game box accessories
- Car entertainment systems, Battery Powered Applications
- Cable boxes, Satellite receivers, Set Top Boxes
终端产品
- Laptops and PCI Cards
- Hard Disk Drivers
特性
- Output Voltage Options: Adjustable, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V
- Contact Factory for Other Voltage Options - Current Limit Protection
- Thermal Shutdown Protection
- Typical Noise Voltage of 15 Vrms without a Bypass Capacitor
- Input Voltage down to 1.5V
- Guaranteed 1 A Output Current
- 2% Output Voltage Tolerance over All Operating Conditions (fixed output options)
- Typical Dropout Voltage of 190 mV at 1 A (Vout = 2.5 V, TJ = 25C)
- Active Low Enable Pin (NCP691 device)
Active High Enable Pin (NCP692 device) - Enhanced ESD: 4 kV and 400 V
- Active Output Discharge
- Adjustable Output by External Resistors from 5.0 V down to 1.25 V
- 1.5% Output Voltage Tolerance over All Operating Conditions
(Adjustable)
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NCP691MN33T2G
Active
Pb
A
H
P
DFN-6
1
260
REEL
3000
Y
Single
Positive
3.3
1
1.5
6
0.18
0.145
62
50
Yes
No
-
$0.528
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