参数资料
| 型号： | MC34063AMELG |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BST INV ADJ 8SOEIAJ |
| 产品变化通告： | MC34063AM(ELG,G) Discontinuation 29/Jul/2009 |
| 标准包装： | 1 |
| 类型： | 降压（降压），升压（升压），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 40 V |
| 输入电压： | 3 V ~ 40 V |
| 频率 - 开关： | 100kHz |
| 电流 - 输出： | 1.5A |
| 同步整流器： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 包装： | 剪切带 (CT) |
| 供应商设备封装： | 8-SOEIAJ |
| 其它名称： | MC34063AMELGOSCT |
MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A
ELECTRICAL CHARACTERISTICS (V CC = 5.0 V, T A = T low to T high [Note 4], unless otherwise specified.)
Characteristics
Symbol
Min
Typ
Max
Unit
OSCILLATOR
Frequency (V Pin 5 = 0 V, C T = 1.0 nF, T A = 25 ° C)
Charge Current (V CC = 5.0 V to 40 V, T A = 25 ° C)
Discharge Current (V CC = 5.0 V to 40 V, T A = 25 ° C)
Discharge to Charge Current Ratio (Pin 7 to V CC , T A = 25 ° C)
Current Limit Sense Voltage (I chg = I dischg , T A = 25 ° C)
f osc
I chg
I dischg
I dischg /I chg
V ipk(sense)
24
24
140
5.2
250
33
35
220
6.5
300
42
42
260
7.5
350
kHz
m A
m A
?
mV
OUTPUT SWITCH (Note 5)
Saturation Voltage, Darlington Connection
( I SW = 1.0 A, Pins 1, 8 connected)
Saturation Voltage (Note 6)
(I SW = 1.0 A, R Pin 8 = 82 W to V CC , Forced b ] 20)
DC Current Gain (I SW = 1.0 A, V CE = 5.0 V, T A = 25 ° C)
Collector Off ? State Current (V CE = 40 V)
V CE(sat)
V CE(sat)
h FE
I C(off)
?
?
50
?
1.0
0.45
75
0.01
1.3
0.7
?
100
V
V
?
m A
COMPARATOR
Threshold Voltage
T A = 25 ° C
T A = T low to T high
Threshold Voltage Line Regulation (V CC = 3.0 V to 40 V)
MC33063, MC34063
MC33063V, NCV33063
Input Bias Current (V in = 0 V)
V th
Reg line
I IB
1.225
1.21
?
?
?
1.25
?
1.4
1.4
? 20
1.275
1.29
5.0
6.0
? 400
V
mV
nA
TOTAL DEVICE
Supply Current (V CC = 5.0 V to 40 V, C T = 1.0 nF, Pin 7 = V CC ,
V Pin 5 > V th , Pin 2 = GND, remaining pins open)
I CC
?
?
4.0
mA
IC driver – 7.0 mA *
4. T low = 0 ° C for MC34063, SC34063; ? 40 ° C for MC33063, SC33063, MC33063V, NCV33063
T high = +70 ° C for MC34063, SC34063; + 85 ° C for MC33063, SC33063; +125 ° C for MC33063V, NCV33063
5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
6. If the output switch is driven into hard saturation (non ? Darlington configuration) at low switch currents ( ≤ 300 mA) and high driver currents
( ≥ 30 mA), it may take up to 2.0 m s for it to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is
magnified at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a
non ? Darlington configuration is used, the following output drive condition is recommended:
IC output
Forced b of output switch : w 10
* The 100 W resistor in the emitter of the driver device requires about 7.0 mA before the output switch conducts.
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| MC34063AMG | 功能描述:直流/直流开关调节器 ANA DC-DC.5A SW I REG RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MC34063AML1 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:DC-to-DC Converter Control Circuits |
| MC34063AML2 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:DC-to-DC Converter Control Circuits |
| MC34063AMR1 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:DC-to-DC Converter Control Circuits |
| MC34063AMR2 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:DC-to-DC Converter Control Circuits |
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