參數(shù)資料
型號(hào): LTC2908IDDB8-B1
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 3 X 2 MM, PLASTIC, M0-229WECD-1, DFN-8
文件頁(yè)數(shù): 11/16頁(yè)
文件大小: 199K
代理商: LTC2908IDDB8-B1
4
LTC2908
2908f
1.8V Threshold Voltage
vs Temperature
1.5V Threshold Voltage
vs Temperature
ADJ Threshold Voltage
vs Temperature
IV1 vs Temperature
IV2 vs Temperature
IV3 vs Temperature
IV4 vs Temperature
Typical Transient Duration
vs Comparator Overdrive
Reset Time-Out Period (tRST)
vs Temperature
TEMPERATURE (
°C)
–50
1.710
1.700
1.690
1.680
1.670
1.660
25
75
2908 G04
–25
0
50
100
THRESHOLD
VOLTAGE,
V
RT18
(V)
TEMPERATURE (
°C)
–50
THRESHOLD
VOLTAGE,
V
RT15
(V)
50
1.425
2908 G05
0
–25
75
25
100
1.410
1.405
1.400
1.395
1.390
1.385
1.380
1.415
1.420
TEMPERATURE (
°C)
–50
THRESHOLD
VOLTAGE,
V
RTADJ
(V)
0.4980
0.5000
0.5020
25
75
2908 G06
0.4960
0.4940
0.4920
–25
0
50
0.5040
0.5060
0.5080
100
TEMPERATURE (
°C)
–50
I V1
(
A)
17
19
21
23
29
31
33
27
–25
025
50
2908 G07
75
100
25
A1
B1
V1 = 5.0V (A1)/V1 = 3.3V (B1)
V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
V4 = 1.8V (A1)/V4 = 1.5V (B1)
VADJ1 = VADJ2 = 0.55V
TEMPERATURE (
°C)
–50
I V2
(
A)
8
9
A1
B1
10
25
75
2908 G08
7
6
4
5
–25
0
50
11
12
14
13
100
V1 = 5.0V (A1)/V1 = 3.3V (B1)
V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
V4 = 1.8V (A1)/V4 = 1.5V (B1)
VADJ1 = VADJ2 = 0.55V
TEMPERATURE (
°C)
–50
I V3
(
A)
1.7
1.8
1.9
25
75
2908 G09
1.6
1.5
1.4
–25
0
50
2.0
2.1
2.2
100
V1 = 5.0V (A1)/V1 = 3.3V (B1)
V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
V4 = 1.8V (A1)/V4 = 1.5V (B1)
VADJ1 = VADJ2 = 0.55V
TEMPERATURE (
°C)
–50
I V4
(
A)
1.7
1.8
1.9
25
75
2908 G10
1.6
1.5
1.4
–25
0
50
2.0
2.1
2.2
100
V1 = 5.0V (A1)/V1 = 3.3V (B1)
V2 = 3.3V (A1)/V2 = 2.5V (B1)
V3 = 2.5V (A1)/V3 = 1.8V (B1)
V4 = 1.8V (A1)/V4 = 1.5V (B1)
VADJ1 = VADJ2 = 0.55V
COMPARATOR OVERDRIVE VOLTAGE (% OF VRTX)
0.1
400
TYPICAL
TRANSIENT
DURATION
(
s)
500
600
700
1
10
100
2908 G11
300
200
100
0
RESET OCCURS
ABOVE CURVE
TA = 25°C
TEMPERATURE (
°C)
–50
RESET
TIME-OUT
PERIOD,
t
RST
(ms)
190
200
210
25
75
2908 G12
180
170
150
160
–25
0
50
220
230
250
240
100
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Specifications are at TA = 25°C unless otherwise noted.
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