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SWCS049E Datasheet(PDF) 42 Page - Texas Instruments

No. de pieza SWCS049E
Descripción Electrónicos  Integrated Power Management Unit Top Specification
PDF  119 Pages
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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SWCS049E Datasheet(HTML) 42 Page - Texas Instruments

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1.2 V
EN1
PFM (pulse
skipping) mode
SW1
VDD1/VFB1
0.8 V
PFM (pulse
skipping) mode
PFM (pulse skipping) mode
PWM mode
PWM mode
t
dDVSEN
t
dDVSENL
t
dDVSEN
TSTEP[2:0]=001
TSTEP[2:0]=011
t
dDVSENL
SWCS049-011
42
TPS659110, TPS659112, TPS659113
TPS659114, TPS659118, TPS6591133
SWCS049Q – JUNE 2010 – REVISED MARCH 2016
www.ti.com
Submit Documentation Feedback
Product Folder Links: TPS659110 TPS659112 TPS659113 TPS659114 TPS659118 TPS6591133
Specifications
Copyright © 2010–2016, Texas Instruments Incorporated
5.23.2.5 VDD1, VDD2 Voltage Control Through EN1 and EN2 Signals
NOTE: Register setting: VDD1_EN1 = 1, SEL[6:0] = hex13 in VDD1_SR_REG
Figure 5-8. VDD1 Supply Voltage Control Through EN1
Table 5-6. VDD1 Supply Voltage Control Through EN1 Timing Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
tdDVSEN
EN1 (or EN2) edge to VDD1 (or VDD2) voltage
change delay
2 × tCK32k = 62
µs
tdDVSENL
VDD1 (or VDD2) voltage settling delay
TSTEP[2:0] = 001
32
µs
TSTEP[2:0] = 011 (default)
0.4 / 7.5 = 53
TSTEP[2:0] = 111
160



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