参数资料
型号: MIC3172YM TR
厂商: Micrel Inc
文件页数: 6/20页
文件大小: 0K
描述: IC REG MULTI CONFIG 1.25A 8SOIC
标准包装: 2,500
类型: 降压(降压),升压(升压),反相,Cuk
输出数: 1
输入电压: 3 V ~ 40 V
PWM 型: 电流模式
频率 - 开关: 100kHz
电流 - 输出: 1.25A
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-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
其它名称: MIC3172YMTR
MIC3172YMTR-ND
Micrel
Typical Characteristics MIC3172 (cont)
MIC2172/3172
Parameter
Condition
Min
Typ
Max
Units
Oscillator Section
Frequency (f O )
Duty Cycle [ δ (max)]
88
85
80
100
89
112
115
95
kHz
kHz
%
Sync Coupling Capacitor
Required for Frequency
V PP = 3.0V
V PP = 40V
22
2.2
51
4.7
120
10
pF
pF
Lock
Input Supply Voltage Section and Enable Section
Minimum Operating
2.7
3.0
V
Voltage
Quiescent Current (I Q )
Supply Current Increase
( ? I IN )
Enable Input Threshold
3V ≤ V IN ≤ 40V, V COMP = 0.6V, I SW = 0
? I SW = 1A, V COMP = 1.5V
0.4
7
9
1.2
9
20
2.4
mA
mA
V
Enable Input Current
V EN = 0V
V EN = 2.4V
–1
0
2
1
10
μA
μA
Bold type denotes specifications applicable to the full operating temperature range.
Note 1. Devices are ESD sensitive. Handling precautions required.
Note 2. For duty cycles ( δ ) between 50% and 95%, minimum guaranteed switch current is given by I CL = 0.833 (2- δ ) for the MIC3172.
Note 3. Specification for packaged product only.
April 2006
6
M9999-041806
(408) 955-1690
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