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SWCS049G 数据表(PDF) 22 Page - Texas Instruments

部件名 SWCS049G
功能描述  TPS65911 Integrated Power Management Unit Top Specification
PDF  144 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SWCS049G 数据表(HTML) 22 Page - Texas Instruments

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TPS65911
SWCS049S – JUNE 2010 – REVISED AUGUST 2018
www.ti.com
Submit Documentation Feedback
Product Folder Links: TPS65911
Specifications
Copyright © 2010–2018, Texas Instruments Incorporated
Electrical Characteristics: VDD1 SMPS (continued)
Over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PMOS current limit
(high-side)
VIN = VINmin to VINmax
1800
mA
NMOS current limit (low-
side)
VIN = VINmin to VINmax, source current load
1800
mA
VIN = VINmin to VINmax, sink current load
1800
DC load regulation
On mode, VIN = VINmin to VINmax
at IOUT = 1500 mA
VDD1 output voltage = (0.6 to 1.5 V)
20
mV
On mode, VIN = VINmin to VINmax
at IOUT = 2000 mA
VDD1 output voltage = (1.2 V, 1.35 V, 1.5 V)
VINmin = 3 V
30
On mode, VIN = VINmin to VINmax
at IOUT = 1500 mA
VDD1 output voltage = 2.2 V
30
On mode, VIN = VINmin to VINmax
at IOUT = 1200 mA
VDD1 output voltage = 3.2 V
30
DC line regulation
On mode, VIN = VINmin to VINmax
at IOUT = 1500 mA
VDD1 output voltage = (0.6 to 1.5 V)
20
mV
On mode, VIN = VINmin to VINmax
at IOUT = 2000 mA
VDD1 output voltage = (1.2 V, 1.35 V, 1.5 V)
VINmin = 3 V
30
On mode, VIN = VINmin to VINmax
at IOUT = 1500 mA
VDD1 output voltage = 2.2 V
30
On mode, VIN = VINmin to VINmax
at IOUT = 1200 mA
VDD1 output voltage = 3.2 V
30
Transient load
regulation
VIN = 3.8 V, VOUT = 1.2 V
IOUT = 0 to 500 mA , Maximum slew = 100 mA/µs
IOUT = 700 mA to 1.2 A , Maximum slew = 100 mA/µs
50
mV
Turnon time (ton) off to
on
IOUT = 200 mA
350
µs
Output voltage transition
rate
From VOUT = 0.6 V to 1.5 V
and VOUT = 1.5 V to 0.6 V
IOUT = 500 mA
TSTEP[2:0] = 001
12.5
mV/µs
TSTEP[2:0] = 011 (default)
7.5
TSTEP[2:0] = 111
2.5
Overshoot
SMPS turned on
3%
Power-save mode ripple
voltage
PFM (pulse skip mode), IOUT = 1 mA
0.025 ×
VOUT
VPP
Switching frequency
2.7
3
3.3
MHz
Duty cycle
100%
Minimum on time
(tON(MIN))
P-channel MOSFET
35
ns
Discharge resistor for
power-down sequence
RDIS
30
50
Ω
VFB1 internal resistance
0.5
1
MΩ
Ground current (IQ)
Off
1
µA
PWM mode, IOUT = 0 mA, VIN = 3.8 V, VDD1_PSKIP = 0
7500
Pulse skipping mode, no switching
78
Low-power (pulse skipping) mode, no switching
ST[1:0] = 11
63



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