LTC2904 データシートの表示（PDF） - Linear Technology
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LTC2904 Datasheet PDF : 16 Pages
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LTC2904/LTC2905
TYPICAL PERFORMANCE CHARACTERISTICS
Specifications are at TA = 25°C unless otherwise noted.
RST Output Voltage vs V1
5
V2 = S1 = S2 = TOL = V1
10pF CAPACITOR AT RST
4
RST Pull-Down Current (IRST)
vs Supply Voltage (VCC)
V2 = S1 = S2 = TOL = V1
5 NO PULL-UP R
4
3
RST AT 150mV
3
2
1
2
0
1
RST AT 50mV
–1
0
1
2
3
4
5
V1 (V)
29045 G16
vRsSRT SOTutPpuultl-VDoolwtangeCuLrorwen(tV(OIRL)ST)
1.8
V1 = 5V
1.6 V2 = 3V
S1 = S2 = TOL = V1 85oC
25oC
1.4 NO PULL-UP R
1.2
–40oC
1.0
0.8
0.6
0.4
0.2
0
0 10 20 30 40 50 60
RST PULL-DOWN CURRENT, IRST (mA)
29045 G19
RST Pull-Up Current (IRST)
vs Supply Voltage (VCC)
–16
TOL = V1
–14
–12
–10
–8
–6
–4
–2
0
2.0
VRT25
VRT33
VRT50
2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE, VCC (V)
29045 G22
0
0
1
2
3
4
5
SUPPLY VOLTAGE, VCC (V)
29045 G17
RST Output Voltage Low (VOL)
vs RST Pull-Down Current (IRST)
1.8
V1 = 5V
1.6 V2 = 3.3V
85oC 25oC
S1 = S2 = TOL = V1
1.4 NO PULL-UP R
1.2
–40oC
1.0
0.8
0.6
0.4
0.2
0
0 10 20 30 40 50 60
RST PULL-DOWN CURRENT, IRST (mA)
29045 G20
RvsSRTSOTutOpuuttpVuot lStaoguercHeiCghur(rVeOnHt )(IRST)
3.0
V1 = 3.3V
V2 = 1.8V
2.5
S1 = TOL =V1
S2 = OPEN
NO PULL-UP R
2.0
1.5 85oC
–40oC
1.0
25oC
0.5
–12 –10 –8 –6 –4 –2 0
OUTPUT SOURCE CURRENT, IRST (MA)
29045 G23
6
RST Pull-Down Current (IRST)
vs Supply Voltage (VCC)
S1 = V2 = V1
5 TOL = S2 = GND
NO PULL-UP R
4
3
RST AT 150mV
2
1
RST AT 50mV
0
0
1
2
3
4
5
SUPPLY VOLTAGE, VCC (V)
29045 G18
RST Pull-Up Current (IRST)
vs Supply Voltage (VCC)
–18
TOL = GND
–16
–14
–12
–10
–8
–6
–4
–2
0
2.0
VRT25
VRT33
VRT50
2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE, VCC (V)
29045 G21
RST Output Voltage High (VOH)
vs RST Output Source Current (IRST)
3.5
V1 = 3.3V
V2 = 1.5V
3.0 S1 = TOL = V1
S2 = OPEN
NO PULL-UP R
2.5
2.0
–40oC
1.5
85oC
1.0
25oC
0.5
–8 –7 –6 –5 –4 –3 –2 –1 0
OUTPUT SOURCE CURRENT, IRST (MA)
29045 G24
29045fd
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