Datasheet

LTC2915/LTC2916
3
29156fa
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC(MIN)
Supply Voltage for Guaranteed RST Low RST Driven Low
l
0.8 V
V
CC(UVLO)
Supply Undervoltage Lockout
l
1.5 V
V
CC(SHUNT)
Shunt Regulation Voltage I
VCC
= 0.5mA
l
5.7 6.2 7.0 V
I
CC
V
CC
Pin Current SEL1, SEL2, TOL, MR = Open
SEL1, SEL2, TOL = GND (LTC2915)
MR = V
CC
(LTC2916)
l
l
30
45
50
80
μA
μA
Monitor Input (VM)
V
MT120
12V, 5% Reset Threshold
12V, 10% Reset Threshold
12V, 15% Reset Threshold
l
l
l
11.04
10.44
9.84
11.22
10.62
10.02
11.40
10.80
10.20
V
V
V
V
MT50
5V, 5% Reset Threshold
5V, 10% Reset Threshold
5V, 15% Reset Threshold
l
l
l
4.600
4.350
4.100
4.675
4.425
4.175
4.750
4.500
4.250
V
V
V
V
MT33
3.3V, 5% Reset Threshold
3.3V, 10% Reset Threshold
3.3V, 15% Reset Threshold
l
l
l
3.036
2.871
2.706
3.086
2.921
2.756
3.135
2.970
2.805
V
V
V
V
MT25
2.5V, 5% Reset Threshold
2.5V, 10% Reset Threshold
2.5V, 15% Reset Threshold
l
l
l
2.300
2.175
2.050
2.338
2.213
2.088
2.375
2.250
2.125
V
V
V
V
MT18
1.8V, 5% Reset Threshold
1.8V, 10% Reset Threshold
1.8V, 15% Reset Threshold
l
l
l
1.656
1.566
1.476
1.683
1.593
1.503
1.710
1.620
1.530
V
V
V
V
MT15
1.5V, 5% Reset Threshold
1.5V, 10% Reset Threshold
1.5V, 15% Reset Threshold
l
l
l
1.380
1.305
1.230
1.403
1.328
1.253
1.425
1.350
1.275
V
V
V
V
MT12
1.2V, 5% Reset Threshold
1.2V, 10% Reset Threshold
1.2V, 15% Reset Threshold
l
l
l
1.104
1.044
0.984
1.122
1.062
1.002
1.140
1.080
1.020
V
V
V
V
MT10
1V, 5% Reset Threshold
1V, 10% Reset Threshold
1V, 15% Reset Threshold
l
l
l
0.920
0.870
0.820
0.935
0.885
0.835
0.950
0.900
0.850
V
V
V
V
MTADJ
ADJ (0.5V), 5% Reset Threshold
ADJ (0.5V), 10% Reset Threshold
ADJ (0.5V), 15% Reset Threshold
l
l
l
460.0
435.0
410.0
467.5
442.5
417.5
475.0
450.0
425.0
mV
mV
mV
R
VM
VM Input Impedance (Note 4) Fixed Threshold Modes
l
0.5 8
MΩ
I
VM(ADJ)
ADJ Input Current VM = 0.5V
l
±15 nA
Three-State Inputs (SEL1, SEL2), (TOL, LTC2915)
V
TPIN,LOW
Low Level Input Voltage
l
0.5 V
V
TPIN,HIGH
High Level Input Voltage
l
1.4 V
V
TPIN,Z
Pin Voltage when Open I
TPIN
= 0μA 0.9 V
I
TPIN,Z
Allowable Leakage in Open State
l
±5 μA
I
TPIN,H/L
Pin Input Current V
TPIN
= 0V, V
CC
l
±20 μA
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.5V, unless otherwise noted. (Note 2)