Datasheet

LTC2932
3
2932fb
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
RT25
2.5V, 5% Reset Threshold
2.5V, 7.5% Reset Threshold
2.5V, 10% Reset Threshold
2.5V, 12.5% Reset Threshold
V2, V3 Input Threshold
●
●
●
●
2.300
2.238
2.175
2.113
2.338
2.275
2.213
2.150
2.375
2.313
2.250
2.188
V
V
V
V
V
RT18
1.8V, 5% Reset Threshold
1.8V, 7.5% Reset Threshold
1.8V, 10% Reset Threshold
1.8V, 12.5% Reset Threshold
V3, V4 Input Threshold
●
●
●
●
1.656
1.611
1.566
1.521
1.683
1.638
1.593
1.548
1.710
1.665
1.620
1.575
V
V
V
V
V
RT15
1.5V, 5% Reset Threshold
1.5V, 7.5% Reset Threshold
1.5V, 10% Reset Threshold
1.5V, 12.5% Reset Threshold
V3, V4 Input Threshold
●
●
●
●
1.380
1.343
1.305
1.268
1.403
1.365
1.328
1.290
1.425
1.388
1.350
1.313
V
V
V
V
V
RTA
ADJ, 5% Reset Threshold
ADJ, 7.5% Reset Threshold
ADJ, 10% Reset Threshold
ADJ, 12.5% Reset Threshold
V3, V4, V5, V6 Input Threshold
●
●
●
●
492.5
479.4
466.3
453.1
500.0
486.6
473.3
459.9
507.5
494
480.4
466.8
mV
mV
mV
mV
V
RTAN
–ADJ Reset Threshold V4 Input Threshold
●
–18 0 18 mV
V
REF
Reference Voltage V
CC
≥ 2.3V, I
VREF
= ±1mA, C
REF
≤ 1000pF
T0 Low, T1 Low
T0 Low, T1 High
T0 High, T1 Low
T0 High, T1 High
●
●
●
●
1.192
1.160
1.128
1.096
1.210
1.178
1.146
1.113
1.228
1.195
1.163
1.130
V
V
V
V
V
PG
Mode Selection Voltage Range V
CC
≥ V
CCMINP
●
0V
REF
V
I
VPG
VPG Input Current V
PG
= V
REF
●
±20 nA
I
V1
V1 Input Current V1 = 5V, I
VREF
= 12μA (Note 4)
●
52 75 μA
I
V2
V2 Input Current V2 = 3.3V
●
0.8 2 μA
I
V3
V3 Input Current V3 = 2.5V
V3 = 0.55V (ADJ Mode)
●
●
0.52 1.2
±15
μA
nA
I
V4
V4 Input Current V4 = 1.8V
V4 = 0.55V (ADJ Mode)
V4 = –0.02V (–ADJ Mode)
●
●
●
0.34 0.8
±15
±15
μA
nA
nA
I
V5
, I
V6
V5, V6 Input Current V5, V6 = 0.55V
●
±15 nA
I
CRT(UP)
CRT Pull-Up Current V
CRT
= GND
●
–1.4 –2 –2.6 μA
I
CRT(DN)
CRT Pull-Down Current V
CRT
= 1.3V
●
10 20 30 μA
I
COMPn
COMP
n
Pull-Up Current V
COMPn
= GND
●
–2 –6 –12 μA
t
RST
Reset Timeout Period C
RT
= 1500pF
●
234 ms
t
UV
V
n
Undervoltage Detect to RST or
COMP
n
V
n
Less Than Reset Threshold by More
than 1%
150 μs
V
OL
Voltage Output Low RST, COMP
n
I
SINK
= 3mA, V
CC
= 3V
I
SINK
= 100μA, V
CC
= 1V
●
●
0.15
0.05
0.4
0.3
V
V
V
OH
Voltage Output High RST, COMP
n
(Note 5)
I
SOURCE
= –1μA
●
V2-1 V
ELECTRICAL CHARACTERISTICS
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 5V, unless otherwise specifi ed. (Note 3)