参数资料
型号: MIC2164-2YMM
厂商: Micrel Inc
文件页数: 5/39页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 10-MSOP
产品培训模块: MIC2124 Synchronous Current Mode DC-DC Buck Controller
标准包装: 100
系列: Hyper Speed Control™
PWM 型: 混合物
输出数: 1
频率 - 最大: 750kHz
占空比: 74%
电源电压: 3 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
产品目录页面: 1092 (CN2011-ZH PDF)
其它名称: 576-3543-5
Micrel, Inc.
Electrical Characteristics (4) (Continued)
V BST ? V LX = 5V; T A = + 25°C, unless noted. Bold values indicate ? 40°C ≤ T J ≤ +125°C.
MIC2164/-2/-3/C
Parameter
Condition
Min.
Typ.
Max.
Units
MIC2164/ MIC2164C
87
Maximum Duty Cycle
(9)
MIC2164-2
74
%
MIC2164-3
66
Minimum Duty Cycle
Measured at DH, V FB = 1V
0
%
FET Drives
DH, DL Output Low Voltage
DH, DL Output High Voltage
I SINK = 10mA
I SOURCE = 10mA
V IN ? 0.1V
or
V BST ? 0.1V
0.1
V
V
DH On-Resistance, High State
DH On-Resistance, Low State
DL On-Resistance, High State
DL On-Resistance, Low State
LX Leakage Current
HSD Leakage Current
V LX = 28V, V IN = 5.5V,V BST = 33.5V
V LX = 28V, V IN = 5.5V,V BST = 33.5V
2.1
1.8
1.8
1.2
3.3
3.3
3.3
2.3
50
20
?
?
?
?
μA
μA
Thermal Protection
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
Shutdown Control
155
10
° C
° C
EN Logic Level Low
3V < V IN <5.5V
0.4
0.8
V
EN Logic Level High
EN Pull-Up Current
3V < V IN <5.5V
0.9
50
1.2
V
μA
Note:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
4. Specification for packaged product only.
5. The application is fully functional at low IN (supply of the control section) if the external MOSFETs have enough low voltage V TH .
6. The current will come only from the internal 100k ? pull-up resistor sitting on the EN Input and tied to IN.
8. Measured in test mode.
9. Measured at DH. The maximum duty cycle is limited by the fixed mandatory off time T OFF of typical 363ns.
September 2010
5
M9999-091310-D
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