DRV8808 Datasheet, PDF (27/38 Pages) Texas Instruments – COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER

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DRV8808
SLVS857A – DECEMBER 2009 – REVISED AUGUST 2011
VM
(CSELECT = GND)
DCDC_B
(Off)
DCDC_C
(Off)
DCDC_A
(Off®On)
Setup Register
Strobe
VthVM+
VM = 6 V
10 ms
10 ms
Note A
Setup
(9, 8, 7) = (0, 0, 0)
120 ms
nORT ^H
Protection Mask
(UVP, OVP)
L
A. A_CONT must be LOW or OPEN for regulator A to turn on.
B. LDO OCP is masked during protection mask time.
Figure 15. Power-up Timing (DC-DC Regulator Wakeup by Setup Register, All Three Channels ON)
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