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參數(shù)資料
| 型號： | NCP1031DR2G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low Power PWM Controller with On−Chip Power Switch and Startup Circuits for 48V Telecom Systems |
| 中文描述： | 1.36 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 175K |
| 代理商： | NCP1031DR2G |
Semiconductor Components Industries, LLC, 2006
January, 2006 Rev. 6
1
Publication Order Number:
NCP1030/D
NCP1030, NCP1031
Low Power PWM Controller
with OnChip Power Switch
and Startup Circuits for
48V Telecom Systems
The NCP1030 and NCP1031 are a family of miniature highvoltage
monolithic switching regulators with onchip Power Switch and Startup
Circuits. The NCP103x family incorporates in a single IC all the active
power, control logic and protection circuitry required to implement, with
minimal external components, several switching regulator applications,
such as a secondary side bias supply or a low power dcdc converter.
This controller family is ideally suited for 48 V telecom, 42 V automotive
and 12 V input applications. The NCP103x can be configured in any
singleended topology such as forward or flyback. The NCP1030 is
targeted for applications requiring up to 3 W, and the NCP1031 is
targeted for applications requiring up to 6 W.
The internal error amplifier allows the NCP103x family to be easily
configured for secondary or primary side regulation operation in
isolated and nonisolated configurations. The fixed frequency oscillator
is optimized for operation up to 1 MHz and is capable of external
frequency synchronization, providing additional design flexibility. In
addition, the NCP103x incorporates individual line undervoltage and
overvoltage detectors, cycle by cycle current limit and thermal
shutdown to protect the controller under fault conditions. The preset
current limit thresholds eliminate the need for external sensing
components.
Features
On Chip High 200 V Power Switch Circuit and Startup Circuit
Internal Startup Regulator with Auxiliary Winding Override
Operation up to 1 MHz
External Frequency Synchronization Capability
Frequency Folddown Under Fault Conditions
Trimmed
±
2% Internal Reference
Line Undervoltage and Overvoltage Detectors
Cycle by Cycle Current Limit Using SENSEFET
Active LEB Circuit
Overtemperature Protection
Internal Error Amplifier
PbFree Packages are Available
Typical Applications
POE (Power Over Ethernet)/PD. Refer to Application Note AND8247.
Secondary Side Bias Supply for Isolated dcdc Converters
Stand Alone Low Power dcdc Converter
Low Power Bias Supply
Low Power Boost Converter
http://onsemi.com
Device
Package
Shipping
ORDERING INFORMATION
NCP1030DMR2
Micro8
4000/Tape & Reel
NCP1031DR2
SO8
SO8
D SUFFIX
CASE 751
2500/Tape & Reel
MARKING
DIAGRAMS
1030/N1031 = Specific Device Code
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
= PbFree Package
(Note: Microdot may be in either location)
Micro8
DM SUFFIX
CASE 846A
1030
AYW
8
1
8
1
1
GND
2
C
T
3
V
FB
4
COMP
V
CC
V
DRAIN
OV
UV
8
7
6
5
(Top View)
PIN CONNECTIONS
8
1
For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
NCP1030DMR2G
Micro8
(PbFree)
4000/Tape & Reel
NCP1031DR2G
SO8
(PbFree)
2500/Tape & Reel
N1031
ALYW
1
8
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PDF描述 |
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| NCP1030 | Low Power PWM Controller with On-Chip Power Switch and Startup Circuits for 48V Telecom Systems |
| NCP1031DR2 | Low Power PWM Controller with On-Chip Power Switch and Startup Circuits for 48V Telecom Systems |
| NCP1031 | Low Power PWM Controller with On-Chip Power Switch and Startup Circuits for 48V Telecom Systems |
| NCP1030DMR2 | Low Power PWM Controller with On-Chip Power Switch and Startup Circuits for 48V Telecom Systems |
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