參數(shù)資料
型號: LTC2905IDDB
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: Octal Buffer/Driver With 3-State OUtputs 20-VQFN -40 to 85
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC8
封裝: 3 X 2 MM, PLASTIC, MO-229WECD-1, DFN-8
文件頁數(shù): 5/16頁
文件大小: 155K
代理商: LTC2905IDDB
LTC2904/LTC2905
5
sn29045 29045fs
TEMPERATURE (
°
C)
I
V
μ
A
29045 G10
20.0
19.5
19.0
18.5
18.0
17.5
17.0
COMPARATOR OVERDRIVE VOLTAGE (% OF V
RTX
)
0.1
T
μ
s
700
600
500
400
300
200
100
0
1
10
100
29045 G11
RESET OCCURS
ABOVE CURVE
C
TMR
(FARAD)
10p
100p
1n
10n
100n
1
μ
R
R
29045 G12
10000
1000
100
10
1
0.1
TEMPERATURE (
°
C)
R
R
29045 G13
235
230
225
220
215
210
205
200
195
V1 (V)
0
R
5
4
3
2
1
0
–1
1
2
3
4
29045 G14
5
V2 = S1 = S2 = TOL = V1
10k PULL-UP RESISTOR
V1 (V)
0
R
5
4
3
2
1
0
–1
1
2
3
4
29045 G15
5
V2 = S1 = S2 = TOL = V1
10k PULL-UP RESISTOR
SUPPLY VOLTAGE, V
CC
(V)
0
R
R
5
4
3
2
1
0
4
29045 G17
1
2
3
5
RST AT 150mV
RST AT 50mV
V1 (V)
0
R
5
4
3
2
1
0
–1
1
2
3
4
29045 G16
5
V2 = S1 = S2 = TOL = V1
10pF CAPACITOR AT RST
SUPPLY VOLTAGE, V
CC
(V)
0
R
R
5
4
3
2
1
0
4
29045 G18
1
2
3
5
RST AT 150mV
RST AT 50mV
S1 = V2 = V1
TOL = S2 = GND
NO PULL-UP R
V2 = S1 = S2 = TOL = V1
NO PULL-UP R
–50
100
25
75
–25
0
50
–50
100
25
75
–25
0
50
CRT = 22nF
(FILM)
V1 = 2.5V
V2 = 3.3V
S1 = S2 = TOL = 1.4V
TYPICAL PERFOR AU
Specifications are at T
A
= 25
°
C unless otherwise noted.
I
V2
vs Temperature
Typical Transient Duration vs
Comparator Overdrive (V1, V2)
Reset Time Out Period (t
RST
)
vs Capacitance (C
TMR
)
Reset Time-Out Period (t
RST
)
vs Temperature
RST Output Voltage vs V1
RST Output Voltage vs V1
RST Output Voltage vs V1
RST Pull-Down Current (I
RST
)
vs Supply Voltage (V
CC
)
RST Pull-Down Current (I
RST
)
vs Supply Voltage (V
CC
)
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