Converters | NCP1400A
概览
The NCP1400A series are micropower step-up DC to DC converters that are specifically designed for powering portable equipment from one or two cell battery packs. These devices are designed to start-up with a cell voltage of 0.8 V and operate down to less than 0.2 V. With only four external components, this series allows a simple means to implement highly efficient converters that are capable of up to 100 mA of output current.
Each device consists of an on-chip fixed frequency oscillator, pulse width modulation controller, phase compensated error amplifier that ensures converter stability with discontinuous mode operation, soft-start, voltage reference, driver, and power MOSFET switch with current limit protection. Additionally, a chip enable feature is provided to power down the converter for extended battery life.
The NCP1400A device series are available in the TSOP-5 package with seven standard regulated output voltages. Additional voltages that range from 1.8 V to 4.9 V in 100 mV steps can be manufactured.
- Cellular Telephones
- Pagers
- Personal Digital Assistants
- Electronic Games
- Digital Cameras
- Camcorders
- Handheld Instruments
- Extremely Low Start-Up Voltage of 0.8 V
- Operation Down to Less than 0.2 V
- Only Four External Components for Simple Highly Efficient Converters
- Up to 100 mA Output Current Capability
- Fixed Frequency Pulse Width Modulation Operation
- Phase Compensated Error Amplifier for Stable Converter Operation
- Chip Enable Power Down Capability for Extended Battery Life
- Pb-Free Packages are Available
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Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
1.9
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
2.2
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
2.5
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
2.7
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
3
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
3.3
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
3.8
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
4.5
Up to 0.1
88
180
Price N/A
More Details
Obsolete
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Up
Voltage Mode
0.8
5.5
5
Up to 0.1
88
180
Price N/A
More Details
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