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LTC2934CDC-1-TRPBF Datasheet(PDF) 3 Page - Linear Technology

Part # LTC2934CDC-1-TRPBF
Description  Ultra-Low Power Adjustable Supervisor with Power-Fail Output
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2934CDC-1-TRPBF Datasheet(HTML) 3 Page - Linear Technology

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LTC2934
3
2934f
ELECTRICAL CHARACTERISTICS
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.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
VCC Input Supply Voltage
l
1.6
5.5
V
ICC
VCC Input Supply Current
l
225
500
1000
nA
Threshold Adjustment Inputs: ADJ, PFI
VTH
Input Threshold (Monitored Voltage Falling)
l
394
400
406
mV
VTHM
ADJ to PFI Threshold Matching
l
±2
±8
mV
VADJ(HYST)
Reset Threshold Hysteresis
(Monitored Voltage Rising)
l
18
20
25
mV
VPFI(HYST)
Power-Fail Threshold Hysteresis
(Monitored Voltage Rising)
l
810
15
mV
tUV
Undervoltage Detect to RST or PFO Falling
VADJ or VPFI = VTH – 4mV (Note 3)
1
ms
ITH(LKG)
Threshold Adjustment Input Leakage Current
VADJ or VPFI = 420mV
l
0.1
±1
nA
Control Inputs: MR, RT
VIN(TH)
Control Input Threshold
RT
MR
l
l
0.3 • VCC
0.4
0.7 • VCC
1.4
V
V
tPW
Input Pulse Width
MR
l
20
μs
tPD
Propagation Delay to RST Falling
Manual Reset Falling
l
25
20
μs
RPU
Internal Pull-Up Resistance
MR
l
600
900
1200
ILK
Input Leakage Current (RT Input)
RT = VCC or GND
l
±1
±10
nA
Reset and Power Fail Outputs: RST, PFO
VOL
Voltage Output Low
VCC = 1V, 200μA Pull-Up Current
VCC = 3V, 3mA Pull-Up Current
l
l
25
50
100
150
mV
mV
VOH
Voltage Output High (LTC2934-2)
–200μA Pull-Down Current
l
0.7 • VCC
V
IOH
Leakage Current, Output High (LTC2934-1)
VRST, VPFO = 3.6V
l
±1
±10
nA
tRST
Reset Timeout Period
RT Input High
RT Input Low
l
l
140
10
200
15
260
25
ms
ms
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C, VCC = 3.6V, unless otherwise noted. (Note 2)
Note 2. All currents into pins are positive, all voltages are referenced to
GND unless otherwise noted.
Note 3. Guaranteed by design. Characterized, but not production tested.


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