參數(shù)資料
型號: LTC1840
廠商: Linear Technology Corporation
元件分類: DC/DC變換器
英文描述: RSO-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 05V; Power: 1W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protectionwith Current Foldback; Low Noise; No External Capacitor needed; Efficiency to 83%
中文描述: 雙風(fēng)扇控制器,帶有2線接口
文件頁數(shù): 3/12頁
文件大?。?/td> 203K
代理商: LTC1840
LTC1840
3
1840f
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 3V
SYMBOL
PARAMETER
Digital Inputs SCL, SDA
V
IH
Digital Input High Voltage
V
IL
Digital Input Low Voltage
V
LTH
Logic Threshold Voltage
I
LEAK
Digital Input Leakage
C
IN
Digital Input Capacitance
Digital Output SDA
V
OL
Digital Output Low Voltage
Digital Output FAULT
V
OL
Digital Output Low Voltage
Digital Inputs TACHA, TACHB
V
IH
Digital Input High Voltage
V
IL
Digital Input Low Voltage
I
LEAK
Digital Input Leakage
Digital Input BLAST
V
LTH
Logic Threshold Voltage
V
IHYST
Input Hysteresis
I
LEAK
Digital Input Leakage
Address Inputs A0, A1
V
IH
Input High Voltage
V
IL
Input Low Voltage
I
IN
Input Current
Timing Characteristics
f
I2C
t
BUF
Bus Free Time Between
Stop and Start Condition
t
hD, STA
Hold Time after (Repeated)
Start Condition
t
su, STA
Repeated Start Condition
Setup Time
t
su, STO
Stop Condition Setup Time
t
hD, DAT
Data Hold Time
t
su, DAT
Data Setup Time
t
LOW
Clock Low Period
t
HIGH
Clock High Period
t
f
Clock, Data Fall Time
t
r
Clock, Data Rise Time
The
G
denotes the specifications which apply over the full operating
Note 1:
Absolute Maximum Ratings are those values beyond
which the life of a device may be impaired.
Note 2:
Guaranteed by design not subject to test.
CONDITIONS
MIN
TYP
MAX
UNITS
G
1.4
V
V
V
G
0.6
(Note 2)
V
CC
= 5V and 0V, V
IN
= GND to V
CC
(Note 2)
1
±
1
10
μ
A
pF
I
PULL-UP
= 3mA
G
0.4
V
I
PULL-UP
= 1mA
G
0.4
V
G
0.7V
CC
V
V
G
0.3V
CC
±
1
V
CC
= 5V and 0V, V
IN
= GND to V
CC
μ
A
Measured on BLAST Falling Edge
(Note 2), Measured on Rising Edge
V
CC
= 5V and 0V, V
IN
= GND to V
CC
0.95
20
1.0
1.05
V
mV
μ
A
±
1
G
0.9V
CC
V
V
G
0.1V
CC
±
100
AX Shorted to GND or V
CC
, V
CC
= 5V
μ
A
I
2
C Operating Frequency
(Note 2)
(Note 2)
0
100
kHz
μ
s
4.7
(Note 2)
4
μ
s
(Note 2)
4.7
μ
s
(Note 2)
4
μ
s
ns
ns
μ
s
μ
s
ns
ns
300
250
4.7
4.0
(Note 2)
(Note 2)
(Note 2)
(Note 2)
(Note 2)
300
1000
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