Datasheet
LTC4444-5
4
44445fc
TYPICAL PERFORMANCE CHARACTERISTICS
V
CC
Supply Quiescent Current
vs Voltage
BOOST-TS Supply Quiescent
Current vs Voltage
V
CC
Supply Current
vs Temperature
Boost Supply Current
vs Temperature
Output Low Voltage (V
OL
)
vs Supply Voltage
Output High Voltage (V
OH
)
vs Supply Voltage
Input Thresholds (TINP, BINP)
vs Supply Voltage
Input Thresholds (TINP, BINP)
vs Temperature
Input Thresholds (TINP, BINP)
Hysteresis vs Voltage
V
CC
SUPPLY VOLTAGE (V)
0
0
QUIESCENT CURRENT (µA)
50
150
200
250
678910111213
450
44445 G01
100
12345 14
300
350
400
TINP = BINP = 0V
TINP (BINP) = 6V
T
A
= 25°C
BOOST = 6V
TS = GND
BOOST SUPPLY VOLTAGE (V)
0
0
QUIESCENT CURRENT (µA)
50
150
200
250
678910111213
400
44445 G02
100
12345 14
300
350
TINP = BINP = 0V
TINP = 6V, BINP = 0V
TINP = 0V, BINP = 6V
T
A
= 25°C
V
CC
= 6V
TS = GND
–55 –25 5 35 65 95 125 150
TEMPERATURE (°C)
280
V
CC
SUPPLY CURRENT (µA)
285
295
300
305
325
44445 G03
290
310
315
320
V
CC
= BOOST = 6V
TS = GND
TINP = BINP = 0V
TINP (BINP) = 6V
TEMPERATURE (°C)
BOOST SUPPLY CURRENT (µA)
250
300
350
44445 G04
150
0
400
200
100
50
TINP = 6V, BINP = 0V
TINP = 0V, BINP = 6V
TINP = BINP = 0V
V
CC
= BOOST = 6V
TS = GND
–55 –25 5 35 65 95
125 150
SUPPLY VOLTAGE (V)
4.5
0
OUTPUT VOLTAGE (mV)
20
60
80
100
10.5 11.5 12.5 13.5
160
44445 G05
40
5.5 6.5 7.5 8.5 9.5
120
140
V
OL(TG)
V
OL(BG)
T
A
= 25°C
I
TG(BG)
= 100mA
BOOST = V
CC
TS = GND
SUPPLY VOLTAGE (V)
4.5
TG OR BG OUTPUT VOLTAGE (V)
9
11
13
15
12.5
44445 G06
7
5
8
10
12
14
6
4
3
6.5
8.5
10.5
5.5
7.5
9.5
11.5
13.5
T
A
= 25°C
BOOST = V
CC
TS = GND
–100mA
–1mA
–10mA
SUPPLY VOLTAGE (V)
1.8
TG OR BG INPUT THRESHOLD (V)
2.2
2.6
3.0
2.0
2.4
2.8
6.5 8.5 10.5 12.5
44445 G07
5.54.5 7.5 9.5 11.5 13.5
T
A
= 25°C
BOOST = V
CC
TS = GND
V
IH(TG,BG)
V
IL(TG,BG)
–55 –25 5 35 65 95 125 150
TEMPERATURE (°C)
TG OR BG INPUT THRESHOLD (V)
2.6
2.8
3.0
44445 G08
2.4
2.2
2.5
2.7
2.9
2.3
2.1
2.0
V
CC
= BOOST = 6V
TS = GND
V
IH(TG,BG)
V
IL(TG,BG)
SUPPLY VOLTAGE (V)
4.5
TG OR BG INPUT THRESHOLD HYSTERESIS (mV)
500
475
450
425
400
375
350
325
300
12.5
44445 G09
6.5 8.5 10.5 11.55.5 7.5 9.5 13.5
T
A
= 25°C
BOOST = V
CC
TS = GND