Datasheet

LTC2924
3
2924fb
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply
V
CC
Input Supply Range
l
3 6 V
I
CC
Input Supply Current
l
1.5 3 mA
ON Threshold
V
ON(TH)
ON, Low to High Threshold
l
0.6000 0.6060 0.6121 V
V
OFF(TH)
ON, High to Low Threshold
l
0.6014 0.6074 0.6135 V
IN1-IN4 Threshold
V
ON(TH)
IN1-IN4 Low to High Threshold
l
0.6020 0.6081 0.6142 V
V
OFF(TH)
IN1-IN4 High to Low Threshold
l
0.6026 0.6087 0.6148 V
ON, IN1-IN4 Characteristics
V
FAULT
ON, IN1-IN4 High Speed Low Fault Threshold
l
0.33 0.4 0.48 V
I
ON(HYS)
ON, IN1-IN4 Hysteresis Current Range V
ON
≥ V
ON(TH)
(Note 2)
l
0.5 50 µA
I
ON(ERROR)
ON, IN1-IN4 Hysteresis Current Error 1 – (I
ON(HYS)
/(0.5/R
HYS
)), V
ON(TH)
= 1V
0.5µA ≤ I
ON
< 25µA
25µA ≤ I
ON
≤ 50µA
l
l
±22
±10
%
%
I
LEAK
ON, IN1-IN4 Leakage (Below Threshold) V
ON(TH)
= 0.5V
l
2 ±100 nA
V
ON(HYS)
ON, IN1-IN4 Minimum Hysteresis Voltage I
HYS
• R
IN
(Note 6)
l
4 mV
OUT1-OUT4 Characteristics
V
OUT(EN)
OUT1-OUT4 Gate Drive Voltage I
OUTn
= 0 V
CC
+ 4.5 V
CC
+ 6 V
I
OUT(EN)
OUT1-OUT4 On Current OUTn On, V
OUT
= (V
CC
+ 4V)
l
8.6 10 11.2 µA
R
OUT(OFF)
OUT1-OUT4 Off Resistance to GND OUTn Off, I
OUT
= 2mA
l
240
Ω
HYS Characteristics
R
HYS
HYS Current Programming Resistor Range (Notes 2, 3) 10k 1M
Ω
V
HYS
HYS Programming Voltage R
HYS
Tied to GND
R
HYS
Tied to V
CC
0.5
V
CC
– 0.5
V
V
TMR Characteristics
I
TMR
Timer Pin Output Current Timer On, V
TMR
≤ 0.9V
l
4 5 6 µA
V
TH(HI)
Timer High Voltage Threshold V
CC
= 5V 0.93 1 1.07 V
PGT Characteristics
I
PGT
Power Good Timer Pin Output Current Power Good Timer On, V
PGT
≤ 0.9V
l
4 5 6 µA
V
PGT
Power Good Timer Fault Detected Voltage
Threshold
V
CC
= 5V 0.93 1 1.07 V
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 3V to 6V, unless otherwise noted.