参数资料
型号: LTC2905ITS8#TRMP
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封装: PLASTIC, MO-193, TSOT-23, 8 PIN
文件页数: 13/16页
文件大小: 152K
代理商: LTC2905ITS8#TRMP
LTC2904/LTC2905
6
29045fb
RST PULL-DOWN CURRENT, IRST (mA)
0
RST
OUTPUT
VOLTAGE
LOW,
V
OL
(V)
20
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
29045 G19
10
50
60
40
30
SUPPLY VOLTAGE, VCC (V)
2.0
RST
PULL-UP
CURRENT,
I
RST
(
μ
A)
4.0
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
29045 G21
3.0
5.0
2.5
4.5
3.5
SUPPLY VOLTAGE, VCC (V)
2.0
4.0
29045 G22
3.0
5.0
2.5
4.5
3.5
25°C
85°C
–40°C
V1 = 5V
V2 = 3V
S1 = S2 = TOL = V1
NO PULL-UP R
OUTPUT SOURCE CURRENT, IRST (μA)
–12
RST
OUTPUT
VOLTAGE
HIGH,
V
OH
(V)
3.0
2.5
2.0
1.5
1.0
0.5
–10
–8
–6
–4
29045 G23
–2
0
V1 = 3.3V
V2 = 1.8V
S1 = TOL =V1
S2 = OPEN
NO PULL-UP R
25°C
85°C
–40°C
OUTPUT SOURCE CURRENT, IRST (μA)
–7
RST
OUTPUT
VOLTAGE
HIGH,
V
OH
(V)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
–1
–8
–6
–3
–4
–5
29045 G24
–2
0
V1 = 3.3V
V2 = 1.5V
S1 = TOL = V1
S2 = OPEN
NO PULL-UP R
25°C
85°C
TEMPERATURE (°C)
I S1
,I
S2
,I
TOL
(
μ
A)
20
19
18
17
16
15
14
13
12
11
10
29045 G25
TEMPERATURE (°C)
I S1
,I
S2
,I
TOL
(
μ
A)
–20
–19
–18
–17
–16
–15
–14
–13
–12
–11
–10
29045 G26
VRT25
VRT33
VRT50
TOL = GND
RST PULL-DOWN CURRENT, IRST (mA)
0
RST
OUTPUT
VOLTAGE
LOW,
V
OL
(V)
20
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
29045 G20
10
50
60
40
30
25°C
85°C
–40°C
V1 = 5V
V2 = 3.3V
S1 = S2 = TOL = V1
NO PULL-UP R
–40°C
RST
PULL-UP
CURRENT,
I
RST
(
μ
A)
–16
–14
–12
–10
–8
–6
–4
–2
0
TOL = V1
VRT25
VRT33
VRT50
–50
100
25
75
–25
0
50
–50
100
25
75
–25
0
50
S1 = S2 = TOL = 3.3V
S1 = S2 = TOL = GND
TYPICAL PERFOR A CE CHARACTERISTICS
UW
RST Output Voltage High (VOH) vs
RST Output Source Current (IRST)
RST Output Voltage Low (VOL) vs
RST Pull-Down Current (IRST)
RST Output Voltage Low (VOL) vs
RST Pull-Down Current (IRST)
RST Pull-Up Current (IRST) vs
Supply Voltage (VCC)
RST Pull-Up Current (IRST) vs
Supply Voltage (VCC)
RST Output Voltage High (VOH) vs
RST Output Source Current (IRST)
IS1, IS2, ITOL vs Temperature
Specifications are at TA = 25°C unless otherwise noted.
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