Datasheet

LTC2934
4
2934f
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Supply Voltage ADJ, PFI Threshold vs Temperature
Comparator Undervoltage
Glitch Immunity
Reset Timeout Period
vs Temperature
Voltage Output Low vs Pull-Up
Current (RST, PFO)
Voltage Output High vs Pull-Down
Current (RST, PFO)
V
CC
(V)
0
0
I
CC
(nA)
200
400
600
800
1000
1
234
2934 G01
56
–40°C
25°C
85°C
EXTERNALLY CONFIGURED
FOR 3V FALLING THRESHOLDS
PULL-UP CURRENT (mA)
0
0
V
OL
(mV)
20
40
60
80
100
1
234
2934 G05
5
–40°C
25°C
85°C
V
CC
= 3V
PULL-DOWN CURRENT (mA)
0
3.2
V
OH
(mV)
3.3
3.4
3.5
3.6
–0.2
–0.4 –0.6 –0.8
2934 G06
–1
–40°C
25°C
85°C
LTC2934-2
V
CC
= 3.6V
TEMPERATURE (°C)
–50
394
V
TH
(mV)
396
398
400
402
406
–25
02550
2934 G02
75 100
404
TEMPERATURE (°C)
–50
140
t
RST
(ms)
160
180
200
220
260
–25
02550
2934 G04
75 100
240
V
CC
= RT = 3.6V
COMPARATOR OVERDRIVE (%)
0.1
2.0
GLITCH DURATION, t
UV
(ms)
2.5
1 10 100
1.5
1.0
0.5
0
3.0
2934 G03
V
CC
= 3.6V
COMPARATORS PULL DOWN
ABOVE CURVE
T
A
= 25°C, unless otherwise noted.