LTC4444-5 Datasheet, PDF (4/12 Pages) Linear Technology – High Voltage Synchronous N-Channel MOSFET Driver

LTC4444-5
TYPICAL PERFORMANCE CHARACTERISTICS
V_CC Supply Quiescent Current
vs Voltage
450
T_A = 25°C
400 BOOST = 6V
TS = GND ^{TINP = BINP = 0V}
350
300
TINP (BINP) = 6V
250
200
150
100
50
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
V_CC SUPPLY VOLTAGE (V)
44445 G01
Boost Supply Current
vs Temperature
400
TINP = 6V, BINP = 0V
350
300
TINP = 0V, BINP = 6V
250
200
150
100
50
V_CC = BOOST = 6V
TINP = BINP = 0V ^{TS = GND}
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
44445 G04
Input Thresholds (TINP, BINP)
vs Supply Voltage
3.0
2.8
V_IH(TG,BG)
2.6
2.4
V_IL(TG,BG)
2.2
2.0
T_A = 25°C
BOOST = V_CC
TS = GND
1.8
4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 13.5
SUPPLY VOLTAGE (V)
44445 G07
4
BOOST-TS Supply Quiescent
Current vs Voltage
400
TINP = 6V, BINP = 0V
350
TINP = 0V, BINP = 6V
300
250
200
150
100
T_A = 25°C
50
V_CC = 6V
TINP = BINP = 0V
TS = GND
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
BOOST SUPPLY VOLTAGE (V)
44445 G02
Output Low Voltage (V_OL)
vs Supply Voltage
160
140
V_OL(TG)
120
100
80
V_OL(BG)
60
40 T_A = 25°C
I_TG(BG) = 100mA
20 BOOST = V_CC
TS = GND
0
4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 13.5
SUPPLY VOLTAGE (V)
44445 G05
Input Thresholds (TINP, BINP)
vs Temperature
3.0
V_CC = BOOST = 6V
2.9 _{TS = GND}
2.8
2.7
V_IH(TG,BG)
2.6
2.5
2.4
V_IL(TG,BG)
2.3
2.2
2.1
2.0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
44445 G08
V_CC Supply Current
vs Temperature
325
320
315
TINP = BINP = 0V
310
305
300
295
TINP (BINP) = 6V
290
285 V_CC = BOOST = 6V
TS = GND
280
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
44445 G03
Output High Voltage (V_OH)
vs Supply Voltage
15
14
T_A = 25°C
BOOST = V_CC
13 _{TS = GND}
12
11
10
–10mA
9
–1mA
–100mA
8
7
6
5
4
3
4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 13.5
SUPPLY VOLTAGE (V)
44445 G06
Input Thresholds (TINP, BINP)
Hysteresis vs Voltage
500
T_A = 25°C
475 BOOST = VCC
TS = GND
450
425
400
375
350
325
300
4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5 13.5
SUPPLY VOLTAGE (V)
44445 G09
44445fa