参数资料
型号: MIC2166YMME
厂商: Micrel Inc
文件页数: 5/28页
文件大小: 0K
描述: IC REG CTRLR PWM HYBRID 10-MSOP
特色产品: MIC2166 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: 82%
电源电压: 4.5 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)裸露焊盘
包装: 管件
其它名称: 576-3712-5
Micrel, Inc.
Electrical Characteristics (Continued)
V IN = V EN = 12V; V BST – V SW = 5V; T J = 25°C, unless noted. Bold values indicate ? 40°C ≤ T J ≤ 125°C.
MIC2166
Parameter
Condition
Min
Typ
Max
Units
On Timer
Switching Frequency
Minimum Off-Time
Maximum Duty Cycle
Minimum Duty Cycle
Results from Switching Frequency and
Minimum Off-Time
V FB = 1.0V
450
200
600
300
82
0
750
400
kHz
ns
%
%
Short Current Protection
Current-Limit Threshold
Short-Circuit Current
V FB = 0.79V
V FB = 0V
98
24
133
48
182
72
mV
mV
FET Drives
DH, DL Output Low Voltage
I SINK = 10mA
0.1
V
V DD ? 0.1V
DH, DL Output High Voltage
I SOURCE = 10mA
or
V BST ? 0.1V
V
DH On-Resistance
DL On-Resistance
SW, BST Leakage Current
Pull Up, I SOURCE = 20mA
Pull Down, I SINK = 20mA
Pull Up, I SOURCE = 20mA
Pull Down, I SINK = 20mA
V SW = V BST = 0
2
1.5
2
1
3
3
3
2
30
?
?
?
?
μA
Power Good (PGOOD)
PGOOD Threshold Voltage
PGOOD Hysteresis
PGOOD Delay Time
PGOOD Low Voltage
Sweep V FB from Low-to-High
Sweep V FB from High-to-Low
Sweep V FB from Low-to-High
V FB < 0.9 × V NOM , I PGOOD = 1mA
85
90
6.0
100
70
95
200
%V OUT
%V OUT
μs
mV
Thermal Protection
Over-temperature Shutdown
Over-temperature Shutdown
Hysteresis
T J Rising
160
15
° C
° C
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation of any T A (ambient temperature) is P D(max) = (T J(max) – T A ) / θ JA . Exceeding the maximum allowable power
dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.
4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
5. Enable pin should not be left open.
September 2010
5
M9999-092410-C
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