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TC54VN4302ECB713 参数 Datasheet PDF下载

TC54VN4302ECB713图片预览
型号: TC54VN4302ECB713
PDF下载: 下载PDF文件 查看货源
内容描述: 电压检测器 [Voltage Detector]
分类和应用: 电源电路电源管理电路光电二极管
文件页数/大小: 16 页 / 214 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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TC54
Voltage Detector
Features
• ±2.0% Detection Thresholds
• Small Packages: 3-Pin SOT-23A, 3-Pin SOT-89,
and TO-92
• Low Current Drain: 1 µA (Typical)
• Wide Detection Range: 1.1V to 6.0V
• Wide Operating Voltage Range: 0.7V to 10V
General Description
The TC54 series are CMOS voltage detectors that are
especially well suited for battery-powered applications
because of their extremely low 1 µA operating current
and small surface-mount packaging. Each part is laser-
trimmed to the desired threshold voltage, which can be
specified from 1.4V to 6.0V with a 2% tolerance.
The TC54 is available with either an open-drain or com-
plementary output stage. During operation, the TC54's
output (V
OUT
) remains in the logic-high state as long as
V
IN
is greater than the specified threshold voltage
(V
DET
–). When V
IN
falls below V
DET
–, the output is
driven to a logic-low. V
OUT
remains low until V
IN
rises
above V
DET
– by an amount V
HYST
, whereupon it
resets to a logic-high.
Applications
Battery Voltage Monitoring
Microprocessor Reset
System Brown-Out Protection
Switching Circuit in Battery Backup
Level Discriminator
Package Types
TC54VC
only
3-Pin SOT-23A
V
IN
3
3-Pin SOT-89
V
IN
Functional Block Diagram
V
IN
V
OUT
TC54
TC54
1
V
OUT
2
V
SS
1
V
OUT
3-Pin TO-92
123
2
3
V
IN
V
SS
+
V
REF
V
SS
TC54VN
has open-drain output.
TC54VC
has complementary(push-pull) output.
V
OUT
V
IN
V
SS
Note:
3-Pin SOT-23A is equivalent to the
EIAJ SC-59
Device Features
Output
Device
Type
TC54VN
TC54VC
Note 1:
Open-Drain
Push-Pull
State
Active Low
Active Low
No
No
1.4V, 2.1V, 2.7V, 2.9V
3.0V, 4.2V, 4.3V
Reset Delay
Std. Trip Points
(1)
(typical)
Custom Trip Points available. Minimum order requirement. Information available upon request.
©
2007 Microchip Technology Inc.
DS21434H-page 1