參數(shù)資料
型號: LTC2905HDDB#TRMPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 3 X 2 MM, LEAD FREE, PLASTIC, MO-229WECD-1, DFN-8
文件頁數(shù): 12/16頁
文件大小: 151K
代理商: LTC2905HDDB#TRMPBF
LTC2904/LTC2905
5
29045fd
TEMPERATURE ( C)
THRESHOLD
VOL
TAGE,
V
RT
1
0
(V)
29045 G07
0.950
0.940
0.930
0.920
0.910
0.900
0.890
0.880
0.870
–50
100
25
75
–25
0
50
5%
7.5%
10%
TEMPERATURE ( C)
I V1
(
A)
21.5
21.0
20.5
20.0
19.5
19.0
29045 G08
–50
100
25
75
–25
0
50
V1 = 5V
V2 = 3.3V
S1 = S2 = TOL = 1.4V
TEMPERATURE ( C)
I V2
(
A)
29045 G09
1.8
1.7
1.6
1.5
1.4
1.3
1.2
–50
100
25
75
–25
0
50
V1 = 5V
V2 = 3.3V
S1 = S2 = TOL = 1.4V
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE ( C)
I V2
(
A)
29045 G10
20.0
19.5
19.0
18.5
18.0
17.5
17.0
–50
100
25
75
–25
0
50
V1 = 2.5V
V2 = 3.3V
S1 = S2 = TOL = 1.4V
COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX)
0.1
TYPICAL
TRANSIENT
DURA
TION
(
s)
700
600
500
400
300
200
100
0
1
10
100
29045 G11
RESET OCCURS
ABOVE CURVE
CTMR (FARAD)
10p
100p
1n
10n
100n
1
RESET
TIME
OUT
PERIOD,
t
RST
(ms)
29045 G12
10000
1000
100
10
1
0.1
TEMPERATURE ( C)
RESET
TIME-OUT
PERIOD,
t
RST
(ms)
29045 G13
235
230
225
220
215
210
205
200
195
–50
100
25
75
–25
0
50
CRT = 22nF
(FILM)
V1 (V)
0
RST
OUTPUT
VOL
TAGE
(V)
5
4
3
2
1
0
–1
123
4
29045 G14
5
V2 = S1 = S2 = TOL = V1
10k PULL-UP RESISTOR
V1 (V)
0
RST
OUTPUT
VOL
TAGE
(V)
5
4
3
2
1
0
–1
123
4
29045 G15
5
V2 = S1 = S2 = TOL = V1
10k PULL-UP RESISTOR
Reset Timeout Period (tRST)
vs Temperature
RST Output Voltage vs V1
IV2 vs Temperature
Typical Transient Duration
vs Comparator Overdrive (V1, V2)
Reset Time Out Period (tRST)
vs Capacitance (CTMR)
1V Threshold Voltage
vs Temperature
IV1 vs Temperature
IV2 vs Temperature
Specications are at TA = 25°C unless otherwise noted.
相關PDF資料
PDF描述
LTC2905HDDB#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
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