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LTC295ICDDB-2-TRMPBF PDF预览

LTC295ICDDB-2-TRMPBF

更新时间： 2022-12-28 23:45:37
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
16页 428K
描述
Push Button On/Off Controller

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LTC295ICDDB-2-TRMPBF 数据手册

 浏览型号LTC295ICDDB-2-TRMPBF的Datasheet PDF文件第1页浏览型号LTC295ICDDB-2-TRMPBF的Datasheet PDF文件第2页浏览型号LTC295ICDDB-2-TRMPBF的Datasheet PDF文件第4页浏览型号LTC295ICDDB-2-TRMPBF的Datasheet PDF文件第5页浏览型号LTC295ICDDB-2-TRMPBF的Datasheet PDF文件第6页浏览型号LTC295ICDDB-2-TRMPBF的Datasheet PDF文件第7页 
LTC2950-1/LTC2950-2  
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25C. VIN = 2.7V to 26.4V, unless otherwise noted. (Note 2)  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
26.4  
12  
UNITS  
V
●
●
●
V
IN  
Supply Voltage Range  
Steady State Operation  
2.7  
I
V
V
V
Supply Current  
System Power On, V = 2.7V to 24V  
6
μA  
IN  
IN  
IN  
IN  
IN  
V
V
Undervoltage Lockout  
Undervoltage Lockout  
Hysteresis  
V
Falling  
IN  
2.2  
50  
2.3  
300  
2.4  
V
UVL  
600  
mV  
UVL(HYST)  
Push Button Pin (PB)  
●
V
PB Voltage Range  
PB Input Current  
Single-Ended  
–1  
26.4  
V
PB(MIN, MAX)  
●
●
●
●
I
PB  
2.5V < V < 26.4V  
1
–12  
–15  
μA  
μA  
μA  
PB  
V
V
= 1V  
–1  
–3  
–6  
–9  
PB  
PB  
= 0.6V  
V
V
PB Input Threshold  
PB Falling  
= –1μA  
0.6  
1
0.8  
1.6  
1
2
V
V
PB(VTH)  
PB(VOC)  
PB Open Circuit Voltage  
I
PB  
Debounce Timing Pins (ONT, OFFT)  
●
●
●
●
●
●
I
I
t
t
t
t
ONT/OFFT Pull Up Current  
V
V
= 0V  
–2.4  
2.4  
26  
9
–3  
3
–3.6  
3.6  
μA  
μA  
ONT, OFFT(PU)  
ONT, OFFT(PD)  
DB, On  
ONT, OFFT  
ONT/OFFT Pull Down Current  
= 1.3V  
ONT, OFFT  
Internal Turn On Debounce Time  
Additional Adjustable Turn On Time  
Internal Turn Off Debounce Time  
Additional Adjustable Turn Off Time C  
32  
41  
ms  
ms  
ms  
ms  
ONT Pin Float, PB Falling → Enable Asserted  
C
ONT  
= 1500pF  
11.5  
32  
13.5  
41  
ONT  
26  
9
OFFT Pin Float, PB Falling → INT Falling  
= 1500pF  
DB, Off  
11.5  
13.5  
OFFT  
OFFT  
μP Handshake Pins (INT, KILL)  
●
●
●
I
INT Leakage Current  
V
= 3V  
1
0.4  
0.63  
50  
μA  
V
INT(LKG)  
INT  
V
V
V
INT Output Voltage Low  
I
INT  
= 3mA  
0.11  
0.6  
30  
INT(VOL)  
KILL Input Threshold Voltage  
KILL Input Threshold Hysteresis  
KILL Leakage Current  
KILL Falling  
0.57  
10  
V
KILL(TH)  
mV  
μA  
μs  
μs  
ms  
ms  
ms  
μA  
V
KILL(HYST)  
KILL(LKG)  
I
t
t
t
t
t
I
V
KILL  
= 0.6V  
0.1  
●
●
●
●
●
●
●
KILL Minimum Pulse Width  
KILL Propagation Delay  
30  
KILL(PW)  
30  
650  
1300  
325  
0.1  
KILL Falling → Enable Released  
KILL(PD)  
KILL Turn On Blanking (Note 3)  
KILL Turn Off Delay (Note 4)  
EN/EN Lock Out Time (Note 5)  
EN/EN Leakage Current  
400  
800  
200  
512  
1024  
256  
KILL = Low, Enable Asserted → Enable Released  
KILL = High, INT Asserted → Enable Released  
Enable Released → Enable Asserted  
KILL, On Blank  
KILL, Off Delay  
EN/EN, Lock Out  
EN/EN(LKG)  
V
EN/EN  
= 1V, Sink Current Off  
V
EN/EN Voltage Output Low  
I
= 3mA  
0.11  
0.4  
EN/EN(VOL)  
EN/EN  
Note 1: Stresses beyond those listed under Absolute Maximum Ratings  
may cause permanent damage to the device. Exposure to any Absolute  
Maximum Rating condition for extended periods may affect device  
reliability and lifetime.  
Note 2: All currents into pins are positive; all voltages are referenced to  
GND unless otherwise noted.  
Note 4: The KILL turn off delay is the maximum delay from the initiation  
of a shutdown sequence (INT falling), to the release of the enable output.  
If the KILL input switches low at any time during this period, enable is  
released, thus turning off system power. This time is internally fixed at  
1024ms. This time delay does not include t  
or t  
.
DB, OFF  
OFFT  
Note 5: The enable lock out time is designed to allow an application to  
properly power down such that the next power up sequence starts from a  
consistent powered down configuration. PB is ignored during this lock out  
Note 3: The KILL turn on blanking timer period is the waiting period  
immediately after the enable output is asserted. This blanking time allows  
sufficient time for the DC/DC converter and the μP to perform power up tasks.  
The KILL and PB inputs are ignored during this period. If KILL remains low  
at the end of this time period, the enable output is released, thus turning off  
time. This time delay does not include t  
or t  
.
DB, ON  
ONT  
system power. This time delay does not include t  
or t  
.
DB, ON  
ONT  
295012fb  
3
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