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HV9120NG-GM934 PDF预览

HV9120NG-GM934

更新时间： 2024-01-18 08:45:16
品牌 Logo 应用领域
超科 - SUPERTEX 开关光电二极管输出元件
页数 文件大小 规格书
11页 892K
描述
Switching Controller

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HV9120NG-GM934 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：SOP,Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.73其他特性：OUTPUT VOLTAGE IS ADJUSTABLE FROM 3.92 TO 4.08 V
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：13.5 V
最小输入电压：9 V标称输入电压：10 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：9.9 mm功能数量：1
端子数量：16封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：1.75 mm表面贴装：YES
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

HV9120NG-GM934 数据手册

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Supertex inc.  
HV9120  
High-Voltage,  
Current-Mode PWM Controller  
A unique input circuit allows the HV9120 to self-start directly  
from a high voltage input, and subsequently take the power  
to operate from one of the outputs of the converter it is  
controlling, allowing very efficient operation while maintaining  
input-to-output galvanic isolation limited in voltage only by  
the insulation system of the associated magnetic assembly.  
A ±2% internal bandgap reference, internal operational  
amplifier, very high speed comparator, and output buffer  
allow production of rugged, high performance, high efficiency  
power supplies of 50W or more, which can still be over 80%  
efficient at outputs of 1.0W or less. The wide dynamic range of  
the controller system allows designs with extremely wide line  
and load variations with much less difficulty and much higher  
efficiency than usual. The exceptionally wide input voltage  
range also allows better usage of energy stored in input  
dropout capacitors than with other PWM ICs. Remote on/off  
controls allow either latching or nonlatching remote shutdown.  
During shutdown, the power required is under 6.0mW.  
Features  
► 10 to 450V input voltage range  
► <1.3mA supply current  
► >1.0MHz clock  
► >20:1 dynamic range @ 500KHz  
► 49% Maximum duty cycle version  
► Low internal noise  
Applications  
► Off-line high frequency power supplies  
► Universal input power supplies  
► High density power supplies  
► Very high efficiency power supplies  
► Extra wide load range power supplies  
General Description  
The Supertex HV9120 is a Switch Mode Power Supply  
(SMPS)controllersubsystemthatcanstartandrundirectly  
from almost any DC input, from a 12V battery to a rectified  
and filtered 240V AC line. It contains all the elements  
required to build a single-switch converter except for the  
switch, magnetic assembly, output rectifier(s) and filter(s).  
For detailed circuit and application information, please  
refer to application notes AN-H13, AN-H21 to AN-H24.  
Functional Block Diagram  
OSC  
IN  
OSC  
OUT  
FB  
COMP  
14 (18)  
15  
(19)  
9
(11)  
8
(10)  
Error  
Amplifier  
–
OSC  
11 (14)  
VREF  
To VDD  
+
2V  
T
Q
Modulator  
Comparator  
–
+
+
–
4V  
R
S
5 (6)  
Q
REF  
GEN  
OUTPUT  
-VIN  
Current Limit  
Comparator  
6 (8)  
4 (5)  
1.2V  
16 (20)  
BIAS  
7 (9)  
VDD  
1 (3)  
+VIN  
To  
Internal  
Circuits  
Current  
Sources  
SENSE  
VDD  
12 (16)  
SHUTDOWN  
13 (17)  
Undervoltage  
Comparator  
–
+
S
Q
–
+
R
8.1V  
8.6V  
RESET  
Pre-regulator/Startup  
Note:  
Pin numbers in parentheses are for PLCC package.  
Doc.# DSFP-HV9120  
B060412  
Supertex inc.  
www.supertex.com  
1234567...11

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