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TPS65921B1ZQZR Fiches technique(PDF) 5 Page - Texas Instruments

No de pièce TPS65921B1ZQZR
Description  Power Management and USB Single Chip
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65921B1ZQZR Fiches technique(HTML) 5 Page - Texas Instruments

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TPS65921
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SWCS048F – MARCH 2010 – REVISED MARCH 2012
Table 1. Base Oscillator Switching Characteristics (continued)
PARAMETER
MIN
TYP
MAX
UNIT
Maximum drive power
1.0
µW
Operating drive level
0.5
µW
Crystal quality factor
13k
54k
Start-up time, all conditions
500
tSX
ms
Start-up time, 25°C
360
Active current
High jitter mode
1.8
IDDA
consumption (configured
µA
0.8
Low jitter mode
through the LOJIT bit)
Low battery mode (1.2 V)
1
IDDQ
Current consumption
µA
Startup
8
CLOCK SLICER
PARAMETER
MODE(1)
MIN
TYP
MAX
UNIT
Internal coupling capacitor
4.2
5
5.7
pF
LP
15
60
k
Ω
Parallel input resistance over 10 to 40 MHz range
HP
30
75
k
Ω
BP/PD
1
100
M
Ω
LP
0.3
0.8
HP
0.3
0.7
Parallel input capacitance over 10 to 40 MHz range
pF
BP/PD
0.08
1
BP/PD
40
230
Output duty cycle with VIN = 0.2 VPP
LP/HP
40%
50%
60%
LP
4
18
Propagation delay
HP
3
15
ns
BP/PD
0.2
3
Power supply rejection ratio sideband (1% RMS of supply voltage added
LP/HP
26
dBc
sine 5 MHz)
LP
175
µA
Current consumption at maximum input of 40 MHz
HP
235
µA
BP/PD
39
nA
Power-up time
LP/HP
1
ms
Output peak-to-peak jitter with an input peak-to-peak jitter < 0.1% and for
LP/HP
0.2%
jitter frequency below 300 kHz
Output peak-to-peak jitter with an input peak-to-peak jitter < 0.1% and for
LP/HP
1.0%
jitter frequency above 300 kHz
(1)
Bypass input maximum voltage is the same as the maximum voltage provided for the I/O interface.
32KCLKOUT OUTPUT CLOCK
NAME
PARAMETER DESCRIPTION
MIN
TYP
MAX
UNIT
f
Frequency
32.768
kHz
CL
Load capacitance
40
pF
VOUT
Output clock voltage, depending on output
1.8(1)
V
reference level IO.1P8
VOH
Voltage output high
VOUT – 0.45
VOUT
V
VOL
Voltage output low
0
0.45
V
(1)
The output voltage depends on output reference level which is IO.1P8.
Copyright © 2010–2012, Texas Instruments Incorporated
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