ltc2903-1 Linear Technology Corporation, ltc2903-1 Datasheet - Page 5

• Manufacturer Part Number: ltc2903-1
• Description: Precision Quad Supply Monitor In 6-lead Sot-23
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
0.30
0.25
0.20
0.05
0.15
0.10
400
350
300
250
200
150
100
50
0
0
0.1
0
RESET COMPARATOR OVERDRIVE (% OF V
RST Output Voltage with
10k Pull-Up to V1
Transient Duration
vs Comparator Overdrive
0.1
V1 = V2 = V3
0.2
0.3
1
0.4
1.2
0.6
V1 (V)
1.5
0.9
0.3
V1 ONLY
RESET OCCURS
0.5
0
ABOVE CURVE
0
RST Voltage Output Low
vs RST Sink Current
LTC2903A
V1 = 3.3V
V2 = 2.1V
0.6
5
10
0.7
10
W
0.8
15
29031 G10
0.9
29301 G13
RTX
I
U
85 C
RST
20
100
1.0
)
(mA)
25
30
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
260
240
220
200
180
160
140
25 C
35
0
–50
0
–45 C
Low Voltage Reset Pull-Down
Performance vs External Pull-Up
Current and Input Supply Voltage
1 A
Reset Time-Out Period
vs Temperature
29031 G16
40
0.1
–25
2 A
V
45
5 A
0.2
IN
, INPUT SUPPLY VOLTAGE (V)
0.3
TEMPERATURE ( C)
20 A
0
10 A
0.4
0.5
25
0.6 0.7
V
IN
50
= V1 = V2 = V3
1.2
0.6
1.5
0.9
0.3
0.8
0
75
RST Voltage Output Low
vs RST Sink Current
0
LTC2903B, C
V1 = 5V
V2 = 2.7V
29031 G14
0.9
29301 G11
100
10
1
20
85 C
I
RST
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
15
12
30
0
9
6
3
0
(mA)
0
0
RST Current Sink Capability
vs V
RST Output Voltage with 10k
Pull-Up to V1
V1 = V2 = V3
LTC2903B, C
0.5
0.5 1
40
CC
1
25 C
–45 C
1.5
50
1.5
29031 G16
V
OL
2
2
LTC2903-1
= 0.4V
V
60
V1 (V)
CC
2.5
2.5
(V)
V
OL
3 3.5
3 3.5 4 4.5
= 0.2V
4
29031 G15
4.5
29031 G12
29031f
5
5
5