参数资料
型号: MIC2779L-1BM5 TR
厂商: Micrel Inc
文件页数: 3/6页
文件大小: 0K
描述: IC SUPERVISOR ADJ HYSTER SOT23-5
标准包装: 3,000
类型: 多压监控器
监视电压数目: 2
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 可调节/可选择
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
供应商设备封装: SOT-23-5
包装: 带卷 (TR)
其它名称: MIC2779L-1BM5TR
MIC2779L-1BM5TR-ND
MIC2779
Absolute Maximum Ratings (Note 1)
Supply Voltage (V DD ) .......................................–0.3V to +7V
Input Voltages (V LTH , V HTH , V /RST , V RST ) ........–0.3V to +7V
/RST, RST Output Current (I /RST ), (I RST ) .................... 20mA
Storage Temperature (T S ) ........................ –65°C to +150°C
ESD Rating, Note 3 ....................................................... 2kV
Electrical Characteristics
Micrel, Inc.
Operating Ratings (Note 2)
Supply Voltage (V DD ) .................................. +1.5V to +5.5V
Input Voltages (V LTH , V HTH , V /RST , V RST ) .....–0.3V to +6.0V
Ambient Temperature Range (T A ) .............. –40°C to +85°C
Package Thermal Resistance ................................ 256°C/W
1.5V ≤ V DD ≤ 5.5V; T A = +25°C, bold values indicate –40°C ≤ T A ≤ +85°C; unless noted
Symbol Parameter Condition
Min
Typ
Max
Units
I DD
I LTH, I HTH
Supply Current
Input Leakage Current
/RST, RST not asserted
1
5
2
10
μA
pA
nA
V REF
Reference Voltage
MIC2779H/L-2
1.215
1.240
1.265
V
V
MIC2779H/L-1
1.228
1.252
V
t D
t RESET
V OL
V OH
Propagation Delay
Reset Pulse Width
Reset Output Low Voltage
Reset Output High Voltage
V LTH = V REF(max) +100mV to
V REF(min) – 100mV
/RST asserted or RST not asserted,
I SINK = 1.6mA, V DD ≥ 1.6V
/RST asserted or RST not asserted,
I SINK = 100μA, V DD ≥ 1.2V,
/RST not asserted or RST asserted,
I SOURCE = 500μA, V DD ≥ 1.6V
/RST not asserted or RST asserted,
I SOURCE = 50μA, V DD ≥ 1.2V,
140
0.8V DD
0.8V DD
5
420
0.3
0.4
μs
ms
V
V
V
V
Note 1.
Note 2.
Note 3.
Note 4.
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.
V DD operating range is 1.5V to 5.5V. Output is guaranteed to be held low down to V DD = 1.2V.
Timing Diagram
V BATT
V HTH
V LTH
0V
t RST
A
A
t RST
V /RST
V RST
V OH
V OL
V OH
V OL
Propagation delays not shown for clarity.
Note A.
The MIC2779 ignores very brief transients.
See “Applications Information” for details.
January 2006
3
MIC2779
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