LTC2909CTS8-2.5#PBF Linear Technology, LTC2909CTS8-2.5#PBF Datasheet - Page 3

• Manufacturer Part Number: LTC2909CTS8-2.5#PBF
• Manufacturer: Linear Technology

Specifications of LTC2909CTS8-2.5#PBF

• Voltage Supervisor Type: Voltage Monitor
• Number Of Voltage Supervisors: 3
• Monitored Supervisor Voltage: 3.3
• Operating Supply Voltage (min): 0.5V
• Operating Supply Voltage (max): 6V
• Package Type: TSOT-23
• Operating Temperature Classification: Commercial
• Operating Temp Range: 0C to 70C
• Pin Count: 8
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
(LTC2909-5), ADJ1 = ADJ2 = 0.55V, SEL = fl oating, unless otherwise noted. (Note 2)
SYMBOL
V
V
I
V
ΔV
I
V
ΔV
V
I
I
t
t
V
ΔV
V
ΔV
t
t
V
I
Three-State Input SEL
V
V
V
I
I
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into pins are positive; all voltages are referenced to
GND unless otherwise noted.
Note 3: V
V
CC
ADJ
TMR(UP)
TMR(DOWN)
⎯ R ⎯ S ⎯ T (EXT)
⎯ R ⎯ S ⎯ T (INT)
PROP
UV
OH( ⎯ R ⎯ S ⎯ T )
SEL(Z)
SEL
CC(MIN)
CC(SHUNT)
RT
CC(UVLO)
REF
TMR(DIS)
TMR(INT)
OL( ⎯ R ⎯ S ⎯ T )
IL
IH
Z
CC
RT
CC(UVLO)
TMR(DIS)
TMR(INT)
pin has an internal 6.5V shunt regulator, a low impedance supply
CC
maximum pin voltage is limited by input current. Since the
PARAMETER
Operating Supply Voltage
V
V
ADJ Input Threshold
ADJ Hysteresis (Note 4)
ADJ Input Current
V
UVLO Hysteresis (Note 4)
Buffered Reference Voltage
TMR Pull-Up Current
TMR Pull-Down Current
Reset Timeout Period, External
Reset Timeout Period, Internal
Timer Disable Voltage
Timer Disable Hysteresis
Timer Internal Mode Voltage
Timer Internal Mode Hysteresis
ADJx Comparator Propagation Delay
to ⎯ R ⎯ S ⎯ T
V
⎯ R ⎯ S ⎯ T Output Voltage Low
⎯ R ⎯ S ⎯ T Output Voltage High Leakage
Low Level Input Voltage
High Level Input Voltage
Pin Voltage when Left in Open State
Allowable Leakage in Open State
SEL Input Current
CC
CC
CC
CC
Shunt Regulation Voltage
Input Current
UVLO Threshold
Undervoltage Detect to ⎯ R ⎯ S ⎯ T
A
= 25°C. V
CONDITIONS
⎯ R ⎯ S ⎯ T in Correct State
I
2.175 < V
TMR = V
V
LTC2909-2.5
LTC2909-3.3
LTC2909-5
TMR = V
V
V
V
C
V
V
V
V
V
ADJx Driven Beyond Reset Threshold
(V
V
(V
V
V
V
⎯ R ⎯ S ⎯ T = V
I
SEL = V
VCC
SEL
ADJ
CC
TMR
TMR
TMR
TMR
TMR
TMR
TMR
TMR
CC
CC
CC
CC
RTX
CC(UVLO)
The
> 2.175V, I
Less Than UVLO Threshold
= 0.5V, I = 5μA
= 1V, I = 100μA
= 3V, I = 2500μA
= 0μA
= 1mA, I
= 0.55V
) by 5mV
= 1V
= 1V
= 2.2nF
= 0V
Rising
Falling
Falling
Rising
CC
CC
●
CC
CC
CC
CC
) by 1%
denotes the specifi cations which apply over the full operating
or SEL = GND
= 2.5V (LTC2909-2.5), V
< 6V
VREF
VREF
which exceeds 6V may exceed the rated terminal current. Operation
from higher voltage supplies requires a series dropping resistor. See
Applications Information.
Note 4: Threshold voltages have no hysteresis unless the part is in
comparator mode. Hysteresis is one-sided, affecting only invalid-to-valid
transitions. See Applications Information.
= 0
= ±1mA
CC
= 3.3V (LTC2909-3.3), V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
0.4925
– 0.36
2.175
4.350
0.985
2.871
MIN
–1.5
0.14
150
V
±10
0.5
6.0
1.5
0.3
1.5
1.4
16
60
40
50
50
±5
CC
0.5000
– 0.25
2.213
2.921
4.425
1.000
–2.1
0.21
0.01
0.01
0.10
TYP
200
V
110
150
150
6.5
3.5
0.7
2.1
0.9
50
20
70
CC
LTC2909
CC
0.5075
– 0.16
2.250
2.970
4.500
1.015
MAX
10.0
–2.7
0.27
0.15
0.15
0.30
= 5V
150
±15
260
150
110
500
500
±25
V
6.9
2.0
2.7
0.4
25
±1
CC
UNITS
2909fb
3
mV
mV
mV
ms
ms
μA
μA
μA
μA
nA
μA
μA
μA
μs
μs
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V