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參數(shù)資料
| 型號： | LTC2905HTS8#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： | 1 MM HEIGHT, LEAD FREE, PLASTIC, MO-193, TSOT-23, 8 PIN |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 151K |
| 代理商： | LTC2905HTS8#TRMPBF |
LTC2904/LTC2905
6
29045fd
RST PULL-DOWN CURRENT, IRST (mA)
0
RST
OUTPUT
VOL
TAGE
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
25 C
85 C
–40 C
V1 = 5V
V2 = 3V
S1 = S2 = TOL = V1
NO PULL-UP R
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
SUPPLY VOLTAGE, VCC (V)
2.0
RST
PULL-UP
CURRENT
,I
RST
(
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
VRT25
VRT33
VRT50
TOL = GND
SUPPLY VOLTAGE, VCC (V)
2.0
4.0
29045 G22
3.0
5.0
2.5
4.5
3.5
RST
PULL-UP
CURRENT,
I
RST
(
A)
–16
–14
–12
–10
–8
–6
–4
–2
0
TOL = V1
VRT25
VRT33
VRT50
OUTPUT SOURCE CURRENT, IRST ( A)
–12
RST
OUTPUT
VOL
TAGE
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 ( A)
–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
–40 C
RST Pull-Up Current (IRST)
vs Supply Voltage (VCC)
RST Output Voltage High (VOH)
vs RST Output Source Current (IRST)
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)
TYPICAL PERFORMANCE CHARACTERISTICS
Specications are at TA = 25°C unless otherwise noted.
V1 (V)
0
RST
OUTPUT
VOL
TAGE
(V)
5
4
3
2
1
0
–1
123
4
29045 G16
5
V2 = S1 = S2 = TOL = V1
10pF CAPACITOR AT RST
SUPPLY VOLTAGE, VCC (V)
0
RST
PULL-DOWN
CURRENT
,I
RST
(mA)
5
4
3
2
1
0
4
29045 G17
123
5
RST AT 150mV
RST AT 50mV
V2 = S1 = S2 = TOL = V1
NO PULL-UP R
SUPPLY VOLTAGE, VCC (V)
0
RST
PULL-DOWN
CURRENT
,I
RST
(mA)
5
4
3
2
1
0
4
29045 G18
123
5
RST AT 150mV
RST AT 50mV
S1 = V2 = V1
TOL = S2 = GND
NO PULL-UP R
RST Output Voltage vs V1
RST Pull-Down Current (IRST)
vs Supply Voltage (VCC)
RST Pull-Down Current (IRST)
vs Supply Voltage (VCC)
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