参数资料
型号: MIC2145BMM TR
厂商: Micrel Inc
文件页数: 3/15页
文件大小: 0K
描述: IC REG BST FLYBK SEPIC ADJ 8MSOP
标准包装: 2,500
类型: 升压(升压),回扫,Sepic
输出类型: 可调式
输出数: 1
输出电压: 3 V ~ 16 V
输入电压: 2.4 V ~ 16 V
频率 - 开关: 450kHz
电流 - 输出: 500mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-MSOP
其它名称: MIC2145BMMTR
MIC2145BMMTR-ND
MIC2145
Absolute Maximum Ratings (Note 1)
Supply Voltage (V DD ) .................................................... 18V
Switch Voltage (V SW ) .................................................... 18V
Feedback Voltage (V FB ) ................................................ 18V
Switch Current (I SW ) ........................................................ 2A
Enable Voltage(V EN ), Note 5 ........................................ 18V
RSET Voltage (V RSET ) .................................................... 6V
ESD Rating, Note 3 ...................................................... 2kV
Micrel, Inc.
Operating Ratings (Note 2)
Supply Voltage (V DD ) ....................................... 2.4V to 16V
Switch Voltage (V SW ) .................................................... 16V
Ambient Temperature (T A ) ......................... –40 ° C to +85 ° C
Junction Temperature (T J ) ....................... –40 ° C to +125 ° C
Package Thermal Resistance MSOP
θ JA (MSOP-8) .................................................... 206 ° C/W
θ JA (3mm × 3mm MLF-10) .................................... 60 ° C/W
Ambient Storage Temperature(T S ) .......... –65 ° C to +150 ° C
Electrical Characteristics (Note 6)
V DD = 10V, V OUT = 10V, I OUT = 100mA; T J =25 ° C, unless otherwise noted, bold values indicate –40 ° C ≤ T J ≤ 125 ° C.
Parameter
Supply Voltage
Shutdown Current
Quiescent Current
Feedback Voltage Reference
Condition
EN = 0.3V, V DD = 10V, V FB =1.35V
EN = V DD , V DD = 10V, V FB = 1.35V
( ± 2%)
( ± 3%)
Min
2.4
1.058
1.048
Typ
0.5
200
1.08
Max
16
5
300
1.102
1.112
Units
V
μ A
μ A
V
V
Comparator Hysteresis
18
mV
Feedback Input Current
Peak Current Limit
V FB =1.35V
R SET =200 ? , V DD = 3.6V, Note 4
40
0.8
nA
A
Current Limit Comparator
Propagation Delay
R SET =1k ? , V DD = 10V, Note 4
0.9
500
A
ns
Switch On-Resistance
Maximum Off Time
Enable Input Voltage
I SW = 150mA, V DD = 3.0V
I SW = 1.2A, V DD = 10V
Logic Low (turn-off)
Logic High (turn-on)
1.5
500
250
1000
1.1
1.1
750
400
0.7
m ?
m ?
ns
V
V
Enable Input Current
Soft Start Current
V EN = 0V
V EN = 2V
V EN = 2V, V DD =3.0V
–1
–1
–8
0.01
0.01
–12
1
1
–16
μ A
μ A
μ A
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Note 6.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5K ? in series with 100pF.
The current is measured in a DC mode. Actual peak switching current will be higher due to internal propagation delay of the circuit.
V EN ≤ V DD .
Specification for packaged product only.
April 2005
3
M9999-042205
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