参数资料
型号: LTC4261IUFD#PBF
厂商: Linear Technology
文件页数: 5/34页
文件大小: 361K
描述: IC CTRLR HOTSWAP W/ADC 24-QFN
标准包装: 73
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 9 V ~ 11.2 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-QFN(5x4)
包装: 管件
LTC4261/LTC4261-2
5
42612fc
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
I
2
C Interface Timing (Note 5)
f
SCL(MAX)
Maximum SCL Clock Frequency
400
kHz
t
LOW
Minimum SCL Low Period
0.65
1.3
t
HIGH
Minimum SCL High Period
50
600
ns
t
BUF(MIN)
Minimum Bus Free Time Between Stop/
Start Condition
0.12
1.3
t
HD,STA(MIN)
Minimum Hold Time After (Repeated)
Start Condition
140
600
ns
t
SU,STA(MIN)
Minimum Repeated Start Condition
Set-Up Time
30
600
ns
t
SU,STO(MIN)
Minimum Stop Condition Set-Up Time
30
600
ns
t
HD,DATI(MIN)
Minimum Data Hold Time Input
100
0
ns
t
HD,DATO(MIN)
Minimum Data Hold Time Output
300
600
900
ns
t
SU,DAT(MIN)
Minimum Data Set-Up Time Input
30
100
ns
t
SP(MAX)
Maximum Suppressed Spike Pulse
Width
50
110
250
ns
t
RST
Stuck-Bus Reset Time
SCL or SDAI Held Low
25
66
ms
C
X
 
SCL,SDA Input Capacitance
SDAI Tied to SDAO
5
10
pF
 
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at I
IN
 = 5mA, T
A
 = 25癈. (Note 2)
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 
device GND (V
EE
) unless otherwise specified.
Note 3: An internal shunt regulator limits the V
IN
 pin to a minimum of
10.65V . Driving this pin to voltages beyond 10.65V may damage the part.
The pin can be safely tied to higher voltages through a resistor that limits
the current below 50mA.
Note 4: An internal clamp limits the DRAIN pin to a minimum of 3.5V . 
Driving this pin to voltages beyond the clamp may damage the part. The
pin can be safely tied to higher voltages through a resistor that limits the
current below 2mA.
Note 5: Guaranteed by design and not subject to test.
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