DRV8844_15 Datasheet, PDF (6/25 Pages) Texas Instruments – DRV8844 Quad ½-H-Bridge Driver IC

DRV8844
SLVSBA2C – JULY 2012 – REVISED MAY 2015
7.6 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)⁽¹⁾ (see Figure 1)
NUMBER
PARAMETER
TEST CONDITIONS
1
t₁
2
t₂
3
t₃
4
t₄
5
t₅
6
t₆
7
t_R
8
t_F
Delay time, ENx high to OUTx high, INx = 1
Delay time, ENx low to OUTx low, INx = 1
Delay time, ENx high to OUTx low, INx = 0
Delay time, ENx low to OUTx high, INx = 0
Delay time, INx high to OUTx high
Delay time, INx low to OUTx low
Output rise time, resistive load to VNEG
Output fall time, resistive load to VNEG
(1) Not production tested – specified by design
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MIN
MAX UNIT
130
330 ns
275
475 ns
100
300 ns
200
400 ns
300
500 ns
275
475 ns
30
150 ns
30
150 ns
ENx
OUTx
50%
1
50%
50%
2
50%
INx = 1, resistive load to GND
ENx
OUTx
50%
3
50%
50%
4
50%
INx = 0, resistive load to VM
INx
OUTx
50%
5
50%
50%
6
50%
OUTx
80%
20%
7
ENx = 1 resistive load to GND
Figure 1. DRV8844 Switching Characteristics
80%
20%
8
6
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