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IMP38HC44EPD PDF预览

IMP38HC44EPD

更新时间： 2024-02-15 21:30:53
品牌 Logo 应用领域
A1PROS 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管信息通信管理
页数 文件大小 规格书
10页 161K
描述
BiiCMOS Currentt--Mode BiiCMOS Currentt--Mode

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IMP38HC44EPD 技术参数

生命周期：Contact Manufacturer包装说明：SOP, SOP14,.4
Reach Compliance Code：unknown风险等级：5.77
控制模式：CURRENT-MODEJESD-30 代码：R-PDSO-G14
端子数量：14最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP14,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUALBase Number Matches：1

IMP38HC44EPD 数据手册

 浏览型号IMP38HC44EPD的Datasheet PDF文件第2页浏览型号IMP38HC44EPD的Datasheet PDF文件第3页浏览型号IMP38HC44EPD的Datasheet PDF文件第4页浏览型号IMP38HC44EPD的Datasheet PDF文件第6页浏览型号IMP38HC44EPD的Datasheet PDF文件第7页浏览型号IMP38HC44EPD的Datasheet PDF文件第8页 
IMP38C/HC/42/3/4/5  
Electrical Characteristics  
Unless otherwise noted, VCC = 15V, RT = 10kΩ and CT = 3.3nF. Specifications are over the – 40°C to +85°C ambient temperature range.  
Bold/blue specifications indicate enhanced performance features.  
Parameter  
Symbol Conditions  
Min  
Typ  
Max Units  
Current Sense  
Gain  
AVOL  
Notes 1, 2 and 3  
2.90  
3.00  
0.98  
70  
3.10  
V/V  
V
Over Current Protection Threshold  
Power Supply Rejection Ratio  
Input Bias Current  
Delay to Output  
Output  
Vcomp = max, Note 2  
VSTART ≤ VCC ≤ 18V  
0.9  
1.1  
PSRR  
IB  
dB  
µA  
ns  
–0.1  
50  
–2.0  
TPD  
VFB = 0V, ISNS 0V to 2V, CL = 1nF  
65  
IMP38C4x  
ON Resistance, High  
ON Resistance, Low  
RDS (ON)  
ISOURCE = 0.2A  
ISINK = 0.2A  
20  
11  
Ω
IMP38HC4x  
ON Resistance, High  
ON Resistance, Low  
RDS (ON)  
ISOURCE = 0.2A  
ISINK = 0.2A  
10  
5.5  
Ω
Peak Drive Current  
HC devices  
H devices  
1.0  
0.5  
A
IMP38C4x Rise Time  
IMP38C4x Fall Time  
IMP38HC4x Rise Time  
IMP38HC4x Fall Time  
Shoot-through Current  
Undervoltage Lockout  
Start Threshold  
TR  
TF  
TR  
TF  
TA = 25°C, CL = 1nF  
TA = 25°C, CL = 1nF  
TA = 25°C, CL = 1nF  
TA = 25°C, CL = 1nF  
40  
30  
20  
15  
0
70  
50  
50  
40  
ns  
ns  
ns  
ns  
mA  
IMP38C42/4, IMP38HC42/4  
IMP38C43/5, IMP38HC43/5  
13.5  
7.8  
14.5  
8.4  
15.5  
9.0  
V
V
Minimum Operating Voltage  
IMP38C42/4, IMP38HC42/4  
IMP38C43/5, IMP38HC43/5  
8
7.0  
9
7.6  
10  
8.2  
Pulse Width Modulator  
Maximum Duty Cycle  
Maximum Duty Cycle  
Minimum Duty Cycle  
Supply Current  
IMP38C42/3, IMP38HC42/3,  
94  
96  
%
%
%
IMP38C44/5, IMP38HC44/5  
48  
50  
0
Start-Up Current  
VCC = 13V for IMP38C42/44, IMP38HC42/44  
VCC = 7.5V for IMP38C43/45, IMP38HC43/45  
95  
120  
1.5  
µA  
Operating Current  
ICC  
VFB = VIS = 0  
0.5  
mA  
Note 1. Guaranteed by design. Not 100% tested in production.  
Note 2. Measured at trip point of VFB = 0V.  
Note 3. Gain is defined as:  
Note 4. Adjust VCC above the start threshold before setting at 15V.  
Note 5. Output frequency equals the oscillator frequency for  
IMP38C42/3 and IMP38HC42/3 devices. Output frequency  
equals one-half the oscillator frequency for IMP38C44/5 and  
IMP38HC44/5 devices.  
∆V  
A =  
COMP ,0 ≤ VCS ≤ 0.8V  
∆V  
CS  
Table 1. Startup and Operating Voltage Selection Guide  
UVLO Thresholds  
Start-up at 8.4V  
Operating Minimum = 7.6V  
Start-up at 14.5V  
Duty Cycle  
0% to 96%  
0% to 50%  
Operating Minimum = 9.0V  
IMP38C43/HC43  
IMP38C42/HC42  
IMP38C45/HC45  
IMP38C44/HC44  
38C/HC_t03.eps  
© 2000 IMP, Inc.  
PWM Controllers  
5
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