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UCD90910RGCT Datasheet(PDF) 4 Page - Texas Instruments

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Part # UCD90910RGCT
Description  10-Rail Sequencer and System Health Monitor With 10-Fan Control
Download  51 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCD90910RGCT Datasheet(HTML) 4 Page - Texas Instruments

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UCD90910
SLVSA81 – JULY 2010
www.ti.com
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
SUPPLY CURRENT
IV33A
VV33A = 3.3 V
8
mA
IV33DIO
VV33DIO = 3.3 V
2
mA
Supply current(1)
IV33D
VV33D = 3.3 V
40
mA
VV33D = 3.3 V, storing configuration
IV33D
50
mA
parameters in flash memory
INTERNAL REGULATOR CONTROLLER INPUTS/OUTPUTS
VV33
3.3-V linear regulator
Emitter of NPN transistor
3.25
3.3
3.35
V
VV33FB
3.3-V linear reg feedback
4
4.6
V
IV33FB
Series pass base drive
VVIN = 12 V
10
mA
Beta
Series NPN pass device
40
EXTERNALLY SUPPLIED 3.3V POWER
VV33D,
Digital 3.3-V power
TA = 25°C
3
3.6
V
VV33DIO
VV33A
Analog 3.3-V power
TA = 25°C
3
3.6
V
ANALOG INPUTS (MON1–MON13)
VMON
Input voltage range
MON1–MON9
0
2.5
V
MON10–MON13
0.2
2.5
V
INL
ADC integral nonlinearity
–2.5
2.5
mV
Ilkg
Input leakage current
3 V applied to pin
100
nA
IOFFSET
Input offset current
1-k
Ω source impedance
–5
5
mA
MON1–MON9, ground reference
8
M
Ω
RIN
Input impedance
MON10–MON13, ground reference
0.5
1.5
3
M
CIN
Input capacitance
10
pF
tCONVERT
ADC sample period
14 voltages sampled, 3.89 ms/sample
400
ms
ADC 2.5 V, internal Reference
0°C to 125°C
–0.5%
0.5%
VREF
accuracy
–40°C to 125°C
–1%
1%
ANALOG INPUT (PMBUS_ADDRx, INTERNAL TEMP SENSE)
IBIAS
Bias current for PMBus addr. pins
9
11
mA
VADDR_OPEN
Voltage – open pin
PMBUS_ADDR0, PMBUS_ADDR1 open
2.26
V
VADDR_SHORT
Voltage – shorted pin
PMBUS_ADDR0, PMBUS_ADDR1 short
0.124
V
to ground
Internal temperature-sense
TInternal
Over range from 0°C to 100°C
–5
5
°C
accuracy
DIGITAL INPUTS AND OUTPUTS
Dgnd +
VOL
Low-level output voltage
IOL = 6 mA
(2), V
33DIO = 3 V
V
0.25
VOH
High-level output voltage
IOH = –6 mA
(3), V
33DIO = 3 V
V33DIO – 0.6
V
VIH
High-level input voltage
V33DIO = 3 V
2.1
3.6
V
VIL
Low-level input voltage
V33DIO = 3.5 V
1.4
V
(1)
Typical supply current values are based on device programmed but not configured, and no peripherals connected to any pins.
(2)
The maximum total current IOLmax, for all outputs combined, should not exceed 12 mA to hold the maximum voltage drop specified.
(3)
The maximum total current, IOHmax, for all outputs combined, should not exceed 48 mA to hold the maximum voltage drop specified.
4
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s) :UCD90910


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