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NCP1404 데이터시트 PDF




ON Semiconductor에서 제조한 전자 부품 NCP1404은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 NCP1404 자료 제공

부품번호 NCP1404 기능
기능 350 mA PWM/PFM Step-Up DC-DC Converter
제조업체 ON Semiconductor
로고 ON Semiconductor 로고


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NCP1404 데이터시트, 핀배열, 회로
NCP1404 Series
Product Preview
350 mA PWM/PFM Step-Up
DC-DC Converter with Low
Battery Detector
The NCP1404 series are monolithic PWM/PFM step–up 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 series 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
space–saving TSOP–6 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.
Features
Low Start–Up 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 Open–drain Detector Output
Separated Power Supply Pin
Low Profile and Minimum External Parts
Micro Miniature TSOP–6
Typical Applications
Digital Cameras
Cellular Telephones
Personal Digital Assistants (PDA)
Camcorders
Electronic Games
Pagers
Portable Audio (MP3)
Handheld Instruments
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6
1
TSOP–6
SN SUFFIX
CASE 318G
PIN CONNECTIONS AND
MARKING DIAGRAM
LBI 1
6 LX
OUT 2
5 LBO
VDD 3
4 GND
(Top View)
XX = Specific Device Code
d = Date Code
See specific marking information in the ordering information
table on page 3 of this data sheet.
ORDERING INFORMATION
Device
Package
Shipping
NCP1404SN19T1 TSOP–6 3000/Tape & Reel
NCP1404SN27T1 TSOP–6 3000/Tape & Reel
NCP1404SN30T1 TSOP–6 3000/Tape & Reel
NCP1404SN33T1 TSOP–6 3000/Tape & Reel
NCP1404SN50T1 TSOP–6 3000/Tape & Reel
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
© Semiconductor Components Industries, LLC, 2002
June, 2002 – Rev. 0
1
Publication Order Number:
NCP1404/D




NCP1404 pdf, 반도체, 판매, 대치품
NCP1404 Series
ELECTRICAL CHARACTERISTICS (For all values TA = 25_C unless otherwise noted.)
Characteristic
Symbol
Min
OSCILLATOR
Frequency (VOUT = VSET × 0.96) (Note 4)
Frequency Temperature Coefficient (TA = –40 to +85_C)
Maximum PWM Duty Cycle (VOUT = VSET × 0.96)
PFM Duty Cycle
Minimum Start–up Voltage (IO = 0 mA, VDD = VOUT = VSET)
Minimum Start–up Voltage Temperature Coefficient (TA = –40 to +85_C)
Soft–Start Time (VOUT = VSET)
LX (PIN 6)
Internal Switching N–Channel FET Drain Voltage
LX On–State Current (VDD = VOUT = VSET × 0.96, VLX = 0.6 V)
Device Suffix:
19T1
27T1
30T1
33T1
50T1
fOSC
Df
DMAX
DPFM
Vstart
DVstart
tSS
VLX
VLX
480
70
12
0.3
350
550
550
550
600
Current Limit
Off–State Leakage Current (VLX = 6.0 V, TA = –40 to +85_C)
LBI (PIN 1)
LBI Threshold Voltage Falling
LBI Hysteresis
LBI Input Current
LBO (PIN 5)
LBO Low Output Voltage
LBO Off–State Leakage Current
TOTAL DEVICE
Supply Voltage
Output Voltage
Device Suffix:
19T1
27T1
30T1
33T1
50T1
ILXLIM
ILKG
700
VLBI
VHYS
ILBI
0.396
VLBO(low)
ILBOLKG
VDD
VOUT
0.8
1.853
2.632
2.925
3.218
4.875
Output Voltage Temperature Coefficient (TA = –40 to +85_C)
Operating Current (VOUT = VSET × 0.96, VDD = VSET × 0.6) (Note 5)
No Switching Operating Current (VOUT = VSET + 0.5 V)
No Load Operating Current
(VDD = VSET × 0.6, IOUT = 0 mA ) (Note 7)
Maximum Output Current
(VDD = VOUT, VIN = VSET × 0.8, Voltage Regulation < 3%)
Device Suffix:
19T1
27T1
30T1
33T1
50T1
DVOUT
IDD1
IDD2
IDD(no load)
IOUT
150
300
300
300
350
4. VSET means setting of output voltage.
5. Operating current is the current consumption of the device in PWM mode.
6. No switching operating current is the current consumption of the device when there is no switching.
7. No load operating current is the current consumption of the device in PFM mode at no load.
Typ
600
0.11
78
17
0.8
–1.6
2.0
400
600
600
600
650
750
0.5
0.400
30
1.5
1
1.9
2.7
3.0
3.3
5.0
100
220
40
65
200
350
350
350
400
Max Unit
720 kHz
– %/_C
86 %
22 %
0.95 V
– mV/_C
– ms
6.0 V
mA
800 mA
1.0 mA
0.404
8.0
V
mV
nA
0.05 V
100 nA
5.5
1.948
2.768
3.075
3.383
5.125
300
55
80
V
V
ppm/_C
mA
mA
mA
mA
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NCP1404 전자부품, 판매, 대치품
Notes
NCP1404 Series
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