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参数资料
| 型号： | NCP5212TMNTXG |
| 厂商： | ON Semiconductor |
| 文件页数： | 1/19页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 16-QFN |
| 标准包装： | 3,000 |
| PWM 型： | 电流/电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 330kHz |
| 电源电压： | 4.5 V ~ 27 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-VQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
NCP5212A, NCP5212T
Single Synchronous
Step-Down Controller
The NCP5212A/NCP5212T is a synchronous stepdown controller
for high performance systems battery ? power systems. The
NCP5212A/NCP5212T includes a high efficiency PWM controller. A
pin is provided to allow two devices in interleaved operation. An
internal power good voltage monitor tracks the SMPS output.
NCP5212A/NCP5212T also features soft ? start sequence, UVLO for
V CC and switcher, overvoltage protection, overcurrent protection,
undervoltage protection and thermal shutdown. The IC is packaged in
QFN16
http://onsemi.com
1
QFN16
CASE 485AP
Features
? 0.8% accuracy 0.8 V Reference
? 4.5 V to 27 V Battery/Adaptor Voltage Range
? Adjustable Output Voltage Range: 0.8 V to 3.3 V
? Synchronization Interleaving between Two NCP5212A/NCP5212Ts
? Skip Mode for Power Saving Operation at Light Load
? Lossless Inductor Current Sensing
? Programmable Transient ? Response ? Enhancement (TRE) Control
? Programmable Adaptive Voltage Positioning (AVP)
? Input Supply Feedforward Control
? Internal Soft ? Start
? Integrated Output Discharge (Soft ? Stop)
? Build ? in Adaptive Gate Drivers
? PGOOD Indication
? Overvoltage, Undervoltage and Overcurrent Protections
? Thermal Shutdown
? QFN16 Package
? These Devices are Pb ? Free and are RoHS Compliant
1
MARKING DIAGRAMS
16 16
1
N5212 5212T
ALYW G ALYW G
G G
NCP5212A NCP5212T
N5212/5212T Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G = Pb ? Free Package
(Note: Microdot may be in either location)
Typical Applications
? Notebook Application
? System Power
VIN
VCC
1
2
16
15 14
NCP5212A/
13
12
11
VCCP
DL/TRESET
SYN
EN
3
4
5
NCP5212T
6
7
8
10
9
PGND
CS+
QFN16
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
? Semiconductor Components Industries, LLC, 2009
August, 2009 ? Rev. 3
1
Publication Order Number:
NCP5212A/D
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