LTC4440_09 Datasheet, PDF (4/12 Pages) Linear Technology – High Speed, High Voltage High Side Gate Driver

LTC4440
TYPICAL PERFOR A CE CHARACTERISTICS
Output High Voltage (V_OH)
vs Supply Voltage
15
T_A = 25°C
14
13
I_TG = –1mA
12
I_TG = –10mA
11
I_TG = –100mA
10
9
8
7
8 9 10 11 12 13 14 15
BOOST – TS SUPPLY VOLTAGE (V)
4440 G04
2MHz Operation
INPUT
(INP)
5V/DIV
OUTPUT
(TG)
5V/DIV
V_CC = 12V
250ns/DIV
4440 G07
Boost Supply Current
vs Temperature
500
INP = 12V
450
400
350
300
250
200
150
INP = 0V
100
50
0
–60 –30 0
30 60 90 120
TEMPERATURE (°C)
4440 G10
4
Input Thresholds (INP)
vs Supply Voltage
2.0
T_A = 25°C
1.8
V_IH
(INPUT HIGH THRESHOLD)
1.6
1.4
V_IL
(INPUT LOW THRESHOLD)
1.2
1.0
0.8
7
9
11
13
V_CC SUPPLY VOLTAGE (V)
15
4440 G05
V_CC Supply Current (V_CC = 12V)
vs Temperature
300
INP = 0V
250
INP = 12V
200
150
100
50
0
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G08
Boost Supply (BOOST – TS)
Undervoltage Lockout Thresholds
vs Temperature
7.6
7.5
RISING THRESHOLD
7.4
7.3
7.2
7.1
7.0
FALLING THRESHOLD
6.9
6.8
6.7
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G11
V_CC Supply Current
at TTL Input Levels
380
T_A = 25°C
360
340
INP = 2V
320
300
280
INP = 0.8V
260
240
220
200
8
10
12
V_CC SUPPLY VOLTAGE (V)
14
4440 G06
V_CC Undervoltage Lockout
Thresholds vs Temperature
6.55
6.50
6.45
RISING THRESHOLD
6.40
6.35
6.30
6.25
FALLING THRESHOLD
6.20
6.15
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G09
Input Threshold vs Temperature
2.0
1.8
V_IH (V_CC = 12V)
1.6 _{VIH (VCC = 8V)}
V_IH (V_CC = 15V)
1.4
V_IL (V_CC = 12V)
V_IL (V_CC = 15V)
1.2 ^VIL ^(VCC ^{= 8V)}
1.0
0.8
–60 –30
0 30 60 90 120
TEMPERATURE (°C)
4440 G12
4440f