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MIC38HC44YM 参数 Datasheet PDF下载

MIC38HC44YM图片预览
型号: MIC38HC44YM
PDF下载: 下载PDF文件 查看货源
内容描述: BiCMOS工艺1A电流模式PWM控制器 [BiCMOS 1A Current-Mode PWM Controllers]
分类和应用: 开关光电二极管信息通信管理控制器
文件页数/大小: 8 页 / 81 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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MIC38HC42/3/4/5  
Micrel, Inc.  
Absolute Maximum Ratings  
Zener Current (V ) ...................................................30mA  
Operating Junction Temperature (T ) ....................... 150°C  
Package Thermal Resistance  
DD  
J
Operation at 18V may require  
special precautions (Note 6).  
8-Pin Plastic DIP (θ ).......................................125°C/W  
JA  
8-Pin MM8™ (θ ).............................................250°C/W  
Supply Voltage (V ), Note 6 .......................................20V  
JA  
DD  
8-Pin SOIC (θ ) ...............................................170°C/W  
JA  
Switch Supply Voltage (V ) ..........................................20V  
D
14-Pin Plastic DIP (θ ).......................................90°C/W  
JA  
Current Sense Voltage (V  
) ..................... –0.3V to 5.5V  
ISNS  
14-Pin SOIC (θ ) .............................................145°C/W  
JA  
Feedback Voltage (V )................................ –0.3V to 5.5V  
FB  
Storage Temperature (T ) ....................... –65°C to +150°C  
A
Output Current, 38HC42/3/4/5 (I  
)..............................1A  
OUT  
Electrical Characteristics  
VDD = 15V, Note 4; RT = 9.09k; CT = 3.3nF; –40°C TA 85°C; unless noted  
Parameter  
Test Conditions  
Min  
Typ  
Max  
Units  
Reference Section  
Output Voltage  
TA = 25°C, IO = 1mA  
4.90  
5.00  
2
5.10  
20  
V
mV  
mV  
mV/°C  
V
Line Regulation  
Load Regulation  
Temp. Stability  
12V VDD 18V, IO = 5µA, Note 6  
1 IO 20mA  
1
25  
Note 1  
0.2  
Total Output Variation  
Output Noise Voltage  
Long Term Stability  
Output Short Circuit  
Oscillator Section  
Initial Accuracy  
Line, Load, Temp., Note 1  
10Hz f 10kHz, TA = 25°C, Note 1  
TA = 125°C, 1000 hrs., Note 1  
4.82  
5.18  
50  
5
µV  
25  
mV  
mA  
–30  
49  
–80  
–180  
TA = 25°C, Note 5  
52  
0.2  
55  
kHz  
%
Voltage Stability  
Temp. Stability  
12 VDD 18V, Note 6  
TMIN TA TMAX, Note 1  
1.0  
0.04  
%/°C  
Clock Ramp  
TA = 25°C, VRT/CT = 2V  
7.7  
7.2  
8.4  
8.4  
9.0  
9.5  
mA  
mA  
Reset Current  
TA = TMIN to TMAX  
Amplitude  
VRT/CT peak to peak  
1.9  
Vp-p  
Error Amp Section  
Input Voltage  
Input Bias Current  
AVOL  
VCOMP = 2.5V  
2.42  
2.50  
–0.1  
90  
2.58  
–2  
V
µA  
dB  
MHz  
dB  
mA  
mA  
V
VFB = 5.0V  
2 VO 4V  
65  
0.7  
60  
2
Unity Gain Bandwidth  
PSRR  
Note 1  
1.0  
12 VDD 18V  
Output Sink Current  
Output Source Current  
VOUT High  
VFB = 2.7V, VCOMP = 1.1V  
VFB = 2.3V, VCOMP = 5V  
VFB = 2.3V, RL = 15k to ground  
VFB = 2.7V, RL = 15k to VREF  
14  
–1  
–0.5  
5
6.8  
0.1  
VOUT Low  
1.1  
V
M9999-042205  
4
April 2005