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NCP1404

Features: • Low StartUp Voltage of 0.8 V• PWM Oscillator Frequency of 600 kHz at 20% Accuracy• High Efficiency 85% at IOUT = 200 mA, VIN = 2.5 V, VOUT = 3.3 V• Output Current up to 350 mA at VIN = 2.5 V, VOUT = 3.3 V• Duty Ratio: 17% to 85% typ. PWM Control Duty Ratio...

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SeekIC No. : 004432961 Detail

NCP1404: Features: • Low StartUp Voltage of 0.8 V• PWM Oscillator Frequency of 600 kHz at 20% Accuracy• High Efficiency 85% at IOUT = 200 mA, VIN = 2.5 V, VOUT = 3.3 V• Output Current...

NCP1404 Data Sheet

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Part Number:
NCP1404
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Low StartUp Voltage of 0.8 V
• PWM Oscillator Frequency of 600 kHz at 20% Accuracy
• High Efficiency 85% at IOUT = 200 mA, VIN = 2.5 V, VOUT = 3.3 V
• Output Current up to 350 mA at VIN = 2.5 V, VOUT = 3.3 V
• Duty Ratio: 17% to 85% typ. PWM Control Duty Ratio: 17% typ. PFM Control
• Output Voltage Accuracy ±2.5%
• Low Battery Detection with Opendrain Detector Output
• Separated Power Supply Pin
• Low Profile and Minimum External Parts
• Micro Miniature TSOP6


Application

• Digital Cameras
• Cellular Telephones
• Personal Digital Assistants (PDA)
• Camcorders
• Electronic Games
• Pagers
• Portable Audio (MP3)
• Handheld Instruments


Pinout

Connection Diagram




Specifications

Rating
Symbol
Value
Unit
Power Supply Voltage (Pin 3)
VDD
0.3 to 6.0
V
Input/Output Pins
Pin 1, Pin 2, Pin 5, Pin 6 Voltage
VIO
0.3 to 6.0
V
LX Pin Peak Sink Current
ILX
1000
mA
Thermal Resistance Junction to Air
RJA
250
/W
Operating Ambient Temperature Range
TA
40 to + 85
Operating Junction Temperature Range
TJ
40 to + 125
Storage Temperature Range
Tstg
55 to +150

1. This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM) ±2.0 kV per JEDEC standard: JESD22A114. Machine Model (MM) ±200 V per JEDEC standard: JESD22A115.
2. Latchup Current Maximum Rating: ±150 mA per JEDEC standard: JESD78.
3. Moisture Sensitivity Level (MSL): 1 per IPC/JEDEC standard: JSTD020A.




Description

The NCP1404 series are monolithic PWM/PFM stepup DC to DC converters which can automatically change operation mode from PWM to PFM at light loads to improve efficiency at light loads. With only four external components, this NCP1404 allow a simple means to implement highly efficient converters for powering up portable equipment up to 350 mA loading. Additionally, this series is featured with a Low Battery Detector to monitor battery voltage.

The NCP1404 device series are available in spacesaving TSOP6 package with five standard regulated output voltages. Additional voltages that range from 1.8 V to 5.0 V in 100 mV steps can be manufactured.




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