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UA78S40PV PDF预览

UA78S40PV

更新时间: 2024-09-17 13:15:07
品牌 Logo 应用领域
安森美 - ONSEMI 稳压器开关通用开关
页数 文件大小 规格书
8页 128K
描述
1.5A SWITCHING REGULATOR, PDIP16, PLASTIC, DIP-16

UA78S40PV 技术参数

是否Rohs认证:不符合生命周期:Obsolete
零件包装代码:DIP包装说明:PLASTIC, DIP-16
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.21Is Samacsys:N
其他特性:CAN BE USED AS BUCK OR INVERTING REGULATOR ALSO模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:40 V最小输入电压:2.5 V
标称输入电压:5 VJESD-30 代码:R-PDIP-T16
JESD-609代码:e0长度:19.175 mm
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1.5 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified座面最大高度:4.44 mm
子类别:Switching Regulator or Controllers表面贴装:NO
切换器配置:BOOST技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn80Pb20)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:7.62 mm
Base Number Matches:1

UA78S40PV 数据手册

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Order this document µA78S40/D  
µ
UNIVERSAL  
SWITCHING REGULATOR  
SUBSYSTEM  
The µA78S40 is a switching regulator subsystem, consisting of a  
temperature compensated voltage reference, controlled–duty cycle  
oscillator with an active current limit circuit, comparator, high–current and  
high–voltage output switch, capable of 1.5 A and 40 V, pinned–out power  
diode and an uncommitted operational amplifier, which can be powered up or  
down independent of the IC supply. The switching output can drive external  
NPN or PNP transistors when voltages greater the 40 V, or currents in  
excess of 1.5 A, are required. Some of the features are wide–supply voltage  
range, low standby current, high efficiency and low drift. The µA78S40 is  
available in commercial (0° to + 70°C), and automotive (–40° to + 85°C)  
temperature ranges.  
SEMICONDUCTOR  
TECHNICAL DATA  
Some of the applications include use in step–up, step–down, and  
inverting regulators, with extremely good results obtained in battery–  
operated systems.  
Output Adjustable from 1.25 V to 40 V  
Peak Output Current of 1.5 A Without External Transistor  
80 dB Line and Load Regulation  
Operation from 2.5 V to 40 V Supply  
Low Standby Current Drain  
High Gain, High Output Current, Uncommitted Op Amp  
P SUFFIX  
PLASTIC PACKAGE  
CASE 648  
PIN CONNECTIONS  
Switch Collector  
Driver Collector  
Diode Cathode  
Diode Anode  
Switch Emitter  
1
2
3
16  
15  
14  
Simplified Block Diagram  
Noninv.  
Input  
Inv.  
Input  
Timing  
Capacitor  
I
Driver  
Collector Collector  
Switch  
I
Sense  
pk  
pk  
Sense  
Gnd  
11  
V
CC  
V
Op Amp Output  
4
5
6
7
8
13  
12  
11  
10  
9
CC  
9
10  
12  
13  
14  
15  
16  
Timing Capacitor  
V
Op Amp  
Noninv.  
CC  
Ground  
Op  
Comparator  
Inv. Input  
Comparator  
Noninv. Input  
Amp  
Inv. Input  
C
I
pk  
T
Oscilator  
S
R
Q
Reference  
(Top View)  
Comp.  
+
170  
1.25V  
Reference  
Op  
Amp  
D1  
+
ORDERING INFORMATION  
Temperature  
8
7
6
5
4
3
2
1
Range  
Device  
Package  
Ref  
Output  
Inv  
Input  
Noninv  
Input  
V
Output  
Switch  
Emitter  
Diode  
Anode  
Diode  
Cathode  
CC  
Op Amp  
µA78S40PC  
µA78S40PV  
T
= 0° to +70°C  
Plastic  
Plastic  
A
(Bottom View)  
T
= – 40° to +85°C  
A
Motorola, Inc. 1996  
Rev 1  

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