参数资料
型号: MIC4680BM TR
厂商: Micrel Inc
文件页数: 4/15页
文件大小: 0K
描述: IC REG BUCK ADJ 1.3A 8SOIC
标准包装: 2,500
系列: SuperSwitcher™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 1.25V
输入电压: 4 V ~ 34 V
PWM 型: 电压模式
频率 - 开关: 200kHz
电流 - 输出: 1.3A
同步整流器:
工作温度: -40°C ~ 125°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: MIC4680BMTR
Micrel, Inc.
MIC4680
Parameter
Shutdown Input Logic
Level
Shutdown Input Current
Condition
regulator off
regulator on
V SHDN = 5V (regulator off)
V SHDN = 0V (regulator on)
Min
2
–10
–10
Typ
1.6
1.0
–0.5
–1.5
Max
0.8
10
10
Units
V
V
μA
μA
Thermal Shutdown
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Absolute maximum rating is intended for voltage transients only, prolonged dc operation is not recommended.
4. V IN(min) = V OUT + 2.5V or 4V whichever is greater.
5. Devices are ESD sensitive. Handling precautions recommended.
6. Measured on 1" square of 1 oz. copper FR4 printed circuit board connected to the device ground leads.
7. Test at T A = +85°C, guaranteed by design, and characterized to T J = +125°C.
Test Circuit
160
°C
+12V
2
Device Under Test
IN SW
3
68μH
SHUTDOWN
ENABLE
1
SHDN
FB
4
I
GND
SOIC-8
5–8
Current Limit Test Circuit
Shutdown Input Behavior
OFF
ON
0.8V
2V
0V
1V
1.6V
V IN(max)
Shutdown Hysteresis
March 2008
4
M9999-032808
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