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参数资料
| 型号： | MC34063LBKEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR MC34063LBK |
| 设计资源： | MC34063 BOM MC34063LBKEVB Gerber Files MC34063 Demo Brd Schematic |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 100mA |
| 输入电压： | 12V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 100kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MC34063 |
| 其它名称： | MC34063LBKEVBOS |
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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| MC34063SMDBBGEVB | 制造商:ON Semiconductor 功能描述:MC34063ADG EVAL BOARD |
| MC34063SMDBGEVB | 功能描述:电源管理IC开发工具 MC34063 EVB PB-FREE RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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