LTC2903 データシートの表示（PDF） - Linear Technology
部品番号
コンポーネント説明
メーカー
LTC2903 Datasheet PDF : 16 Pages
| |||
TYPICAL PERFOR A CE CHARACTERISTICS
LTC2903-1
Transient Duration
vs Comparator Overdrive
400
350
300
250
200
RESET OCCURS
ABOVE CURVE
150
100
50
0
0.1
1
10
100
RESET COMPARATOR OVERDRIVE (% OF VRTX)
29031 G10
RST Output Voltage with
10k Pull-Up to V1
0.30
0.25
0.20
0.15
V1 ONLY
0.10
0.05
V1 = V2 = V3
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
V1 (V)
29301 G13
Reset Time-Out Period
vs Temperature
260
240
220
200
180
160
140
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
29301 G11
Low Voltage Reset Pull-Down
Performance vs External Pull-Up
Current and Input Supply Voltage
0.10
VIN = V1 = V2 = V3
0.09
0.08
0.07
20µA
0.06
10µA
0.05
0.04
5µA
0.03
0.02
2µA
0.01
1µA
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
VIN, INPUT SUPPLY VOLTAGE (V)
29031 G14
RST Output Voltage with 10k
Pull-Up to V1
5.0
V1 = V2 = V3
4.5 LTC2903B, C
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V1 (V)
29031 G12
RST Current Sink Capability
vs VCC
15
12
VOL = 0.4V
9
VOL = 0.2V
6
3
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VCC (V)
29031 G15
RST Voltage Output Low
vs RST Sink Current
1.5 LTC2903A
V1 = 3.3V
V2 = 2.1V
85°C
1.2
25°C
–45°C
0.9
RST Voltage Output Low
vs RST Sink Current
1.5 LTC2903B, C
V1 = 5V
V2 = 2.7V
1.2
85°C
25°C
–45°C
0.9
0.6
0.6
0.3
0.3
0
0 5 10 15 20 25 30 35 40 45
IRST (mA)
29031 G16
0
0 10 20 30 40 50 60
IRST (mA)
29031 G16
29031f
5
Share Link: 