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MC34063EB PDF预览

MC34063EB

更新时间: 2024-01-13 05:36:09
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 转换器DC-DC转换器
页数 文件大小 规格书
15页 1484K
描述
DC-DC CONVERTER CONTROL CIRCUITS

MC34063EB 技术参数

是否Rohs认证:符合生命周期:Active
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:15 weeks风险等级:0.66
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE最大输入电压:40 V
最小输入电压:3 V标称输入电压:5 V
JESD-30 代码:R-PDIP-T8JESD-609代码:e3
功能数量:1端子数量:8
最高工作温度:70 °C最低工作温度:
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:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:4.8 mm子类别:Switching Regulator or Controllers
表面贴装:NO切换器配置:BOOST
最大切换频率:100 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子面层:Matte Tin (Sn) - annealed
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

MC34063EB 数据手册

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MC34063A/E  
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, VCC = 5V, Ta = TLOW to THIGH, unless  
otherwise specified, see note 2)  
OSCILLATOR  
Symbol  
fOSC  
Parameter  
Frequency  
Test Conditions  
Vpin5 = 0 V CT = 1 nF Ta = 25 oC  
Min.  
24  
Typ.  
33  
Max.  
42  
Unit  
KHz  
µA  
Ichg  
Charge Currernt  
VCC = 5 to 40 V  
VCC = 5 to 40 V  
Pin 7 = VCC  
Ta = 25 oC  
Ta = 25 oC  
Ta = 25 oC  
24  
33  
42  
Idischg  
Discharge Current  
140  
5.2  
200  
6.2  
260  
7.5  
µA  
I
dischg/Ichg Discharge to Charge  
Current Ratio  
Vipk(sense) Current Limit Sense Voltage Ichg = Idischg  
Ta = 25 oC  
250  
300  
350  
mV  
OUTPUT SWITCH  
Symbol  
Parameter  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
VCE(sat) Saturation Voltage,  
Darlington Connection  
ISW = 1 A Pins 1, 8 connected  
1
1.3  
V
VCE(sat) Saturation Voltage  
ISW = 1 A Rpin8 = 82 to VCC  
,
0.45  
0.7  
V
Forced β ~ 20  
hFE  
DC Current Gain  
ISW = 1 A  
VCE = 5 V  
Ta = 25 oC  
50  
120  
IC(off)  
Collector Off-State Current  
VCE = 40 V  
0.01  
100  
µA  
COMPARATOR  
Symbol  
Parameter  
Threshold Voltage  
Test Conditions  
Min.  
Typ.  
Max.  
Unit  
Vth  
Ta = 25 oC  
1.225  
1.21  
1.25  
1.275  
1.29  
V
V
Ta = TLOW to THIGH  
Regline Threshold Voltage Line  
Regulation  
VCC = 3 to 40 V  
1
5
mV  
IIB  
Input Bias Current  
VIN = 0 V  
-5  
-400  
nA  
TOTAL DEVICE  
Symbol  
Parameter  
Supply Current  
Test Conditions  
VCC = 5 to 40 V CT = 1 nF  
Min.  
Typ.  
Max.  
Unit  
ICC  
Pin 7 = VCC Vpin5 > Vth Pin 2 = GND  
Remaining pins open  
for MC34063A  
2.5  
1.5  
4
4
mA  
mA  
for MC34063E  
VSTART-UP Start-up Voltage (note 4)  
Ta = 25 oC CT = 1 µF  
for MC34063A  
Pin 5 = 0 V  
2.1  
1.5  
V
V
for MC34063E  
NOTES:  
1) Maximum package power dissipation limit must be observed.  
2) TLOW = 0 oC, THIGH = 70 oC (AC and EC series); TLOW = -40 oC, THIGH = 85 oC (AB series); TLOW = -40 oC, THIGH = 125 oC (EB series).  
3) If Darlington configuration is not used, care must be taken to avoid deep saturation of output switch. The resulting switch-off time may be  
adversely affected. In a Darlington configuration the following output driver condition is suggested:  
Forced β of output current switch = ICOUTPUT/(ICDRIVER - 1mA*) 10  
* Current less due to a built in 1Kantileakage resistor.  
4) Start-up Voltage is the minimum Power Supply Voltage at which the internal oscillator begins to work.  
3/15  

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