MAX14912 Datasheet, PDF (12/30 Pages) Maxim Integrated Products – Low Power and Heat Dissipation

MAX14912/MAX14913
Typical Operating Characteristics
(V_DD = 24V; V₅ = 5V, V_L = 3.3V, T_A = +25°C, unless otherwise noted.)
Octal High-Speed, High-Side
Switch/Push-Pull Driver
240
220
200
180
160
140
120
100
0
R_ON RESISTANCE
vs. LOAD CURRENT
LOW-SIDE R_ON
V_DD = 10V, 24V, OR 36V
toc01 _1.40
1.20
1.00
0.80
HIGH-SIDE R_ON
V_DD = 10V, 24V, & 36V
0.60
24V
36V
0.40
10V
200
400
I_LOAD (mA)
0.20
0.00
600
PROPAGATION DELAY
1
vs. TEMPERATURE
toc04
PUSH-PULL MODE
0.9
0.8 ^{VDD = 24V, OUTPUT LOAD 1KΩ || 100PF}
0.7
0.6
0.5
HIGH-TO-LOW
0.4
0.3
0.2
0.1
LOW-TO-HIGH
0
-40
10
60
110
TEMPERATURE (°C)
250
200
150
100
50
0
-40
R_ON RESISTANCE
vs. TEMPERATURE
toc02 _2.5
2
HIGH-SIDE
1.5
1
LOW-SIDE
0.5
10
60
TEMPERATURE (ºC)
0
110
SUPPLY CURRENT
5.0
vs. SUPPLY VOLTAGE
toc05
NO LOADS, NO SWITCHING
4.5 _{OUTPUTS HIGH, DC-DC ACTIVE}
4.0
3.5
HIGH-SIDE MODE
3.0
2.5
2.0
PUSH-PULL MODE
1.5
1.0
0.5
0.0
10
20
30
40
V_DD (V)
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0
LED DRIVER OUTPUT
vs. LOAD CURRENT
toc07
HIGH-SIDE
LOW-SIDE
10
20
30
40
50
I_LOAD (mA)
HIGH-SIDE PROPAGATION DELAY
0.30
vs. TEMPERATURE
toc03
HIGH-SIDE MODE
0.25
V_DD = 10V TO 36V, OUTPUT LOAD 48Ω || 100PF
0.20
0.15
HIGH-TO-LOW
0.10
0.05
0.00
-40
LOW-TO-HIGH
10
60
110
TEMPERATURE (ºC)
SUPPLY CURRENT
35.0
vs. SWITCHING FREQUENCY _toc06
PUSH-PULL MODE, DC-DC ACTIVE
30.0
ALL CHANNELS SWITCHING, NO LOADS
25.0
V_DD = 36V
20.0
15.0
10.0
5.0
0.0
0
V_DD = 24V
V_DD = 10V
DUTY CYCLE 50%
50
100
150
200
FREQUENCY (kHz)
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