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參數資料
| 型號： | NCP1501DMR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | Dual Mode PWM/Linear Buck Converter |
| 中文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD-FREE, MSOP-8 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 161K |
| 代理商： | NCP1501DMR2G |
Semiconductor Components Industries, LLC, 2004
March, 2004 Rev. 7
1
Publication Order Number:
NCP1501/D
NCP1501
Dual Mode PWM/Linear
Buck Converter
The NCP1501 is a dual mode regulator that operates either as a
PWM Buck Converter or as a Low Drop Out Linear Regulator. If a
synchronization signal is present, the NCP1501 operates as a current
mode PWM converter with synchronous rectification. The
synchronization signal allows the user to control the location of the
spurious frequency noise generated by a PWM converter. Linear mode
is active when a synchronization signal is not present. The NCP1501
configuration allows an efficient high power operation and low noise
during system sleep modes.
Features
Synchronous Rectification for Higher Efficiency in PWM Mode
Linear Mode Operation for Low Noise Output at Low Loads
Integrated MOSFETs and Feedback Circuits
CyclebyCycle Peak Current Limit of 800 mA (typ)
Automatic Switching Between PWM and Linear Mode
Operating Frequency Range of 500 to 1000 kHz
Optimized for Ceramic Capacitors and Low Profile Inductors
Thermal Limit Protection
Builtin Slope Compensation for Current Mode PWM Converter
Fixed Output Voltages of 1.05 V, 1.35 V, 1.57 V, 1.8 V
Shutdown Current Consumption of 0.2 A
Internal Soft Start
Transistor Count: 3500
PbFree Package is Available
Typical Applications
Cellular Phones
PDAs
Pagers
Supplies for DSP Cores
Portable Applications
Figure 1. Typical Applications Circuit
C
OUT
NCP1501
8
7
6
5
1
2
3
4
SHD
SYN
V
O
LX
CB0
CB1
GND
V
in
C
IN
10 H
L
10
10
V
bat
V
out
8
7
6
5
1
2
3
4
Micro8
(MSOP8)
DM SUFFIX
CASE 846A
8
1
1
8
1501= Device Code
A
= Assembly Location
Y
= Year
W
= Work Week
MARKING
DIAGRAM
PIN CONNECTIONS
SHD
SYN
V
O
LX
CB0
CB1
GND
V
in
Device
Package
Shipping
ORDERING INFORMATION
NCP1501DMR2
Micro8
4000/Tape & Reel
(Top View)
1501
AYW
http://onsemi.com
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
NCP1501DMR2G
Micro8
(PbFree)
4000/Tape & Reel
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1508MNR2 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1508MNR2G | 功能描述:直流/直流開關轉換器 High Efficiency Buck Synchronous DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1509MNR2 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1509MNR2G | 功能描述:直流/直流開關轉換器 High Efficiency Buck Synchronous DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1510AFCT1 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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