ISL78420_15 Datasheet, PDF (9/18 Pages) Intersil Corporation – 100V, 2A Peak, Half-Bridge Driver with Tri-Level PWM Input and Adjustable Dead-Time

ISL78420
Typical Performance Curves Unless otherwise specified, operating conditions at: T = +25°C; V_DD = EN = 12V;
V_SS = HS = 0V; Capacitor from HB to HS pin C_BOOT = 0.47µF; 100kΩ load on LO and HO to VSS. (Continued)
7.8
7.6
V_DDR
7.4
7.2
7.0
6.8
V_DDF
6.6
6.4
-50
0
50
100
150
TEMPERATURE (°C)
FIGURE 15. VDD UNDERVOLTAGE LOCKOUT THRESHOLD vs
TEMPERATURE
7.4
7.2
V_HBR
7.0
6.8
6.6
6.4
V_HBF
6.2
-50
0
50
100
150
TEMPERATURE (°C)
FIGURE 16. V_HB UNDERVOLTAGE LOCKOUT THRESHOLD vs
TEMPERATURE
4.0
V_PWMH
3.5
V_MIDH
3.0
2.5
2.0
V_MIDL
1.5
V_PWML
1.0
-50
0
50
100
150
TEMPERATURE (°C)
FIGURE 17. PWM LOGIC THRESHOLD vs TEMPERATURE
4.0
V_PWMH
3.5
V_MIDH
3.0
2.5
2.0
V_MIDL
1.5
V_PWML
1.0 ₈
9
10
11
12
13
14
VDD SUPPLY VOLTAGE (V)
FIGURE 18. PWM LOGIC THRESHOLD VS SUPPLY VOLTAGE
1.2
1.0
0.8
0.6
0.4
T_A = -40°C to +125°C
0.2
PWM = 0V
RDT = 47kΩ
0
6
7
8
9
10 11 12 13 14
V_DD VOLTAGE (V)
FIGURE 19. I_DD QUIESCENT CURRENT vs SUPPLY VOLTAGE
75
70
65
T = -40°C
60
55
T = +25°C
50
45
T = +85°C
40
35
R_RDT = 47kΩ
T = +125°C
30
8
9
10
11
12
13
14
V_HB VOLTAGE (V)
FIGURE 20. I_HB QUIESCENT CURRENT vs VOLTAGE
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9
FN8296.3
November 6, 2014