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LM25066 Arkusz danych(PDF) 7 Page - Texas Instruments

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Numer części LM25066
Szczegółowy opis  System Power Management and Protection IC With PMBus
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
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LM25066 Arkusz danych(HTML) 7 Page - Texas Instruments

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LM25066
www.ti.com
SNVS654J – FEBRUARY 2010 – REVISED DECEMBER 2015
Electrical Characteristics (continued)
Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of –40°C
to 85°C unless otherwise stated. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation.
Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless
otherwise stated the following conditions apply: VIN = 12 V (see
(1) and (2)).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CURRENT LIMIT
CL = GND
22.5
25
27
VCL
Threshold voltage
CL = GND, TJ = 10°C to 85°C
23
25
27
mV
CL = VDD
42.3
46
49.7
Enabled, SENSE = OUT
33
ISENSE
SENSE input current
Disabled, OUT = 0 V
46
µA
Enabled, OUT = 0 V
45
CIRCUIT BREAKER
Threshold voltage × 1.8
VIN - SENSE, CL = GND, CB = GND
35
45
55
mV
VCB
CB:CL ratio
CB = GND
1.6
1.8
2
Threshold voltage × 3.6
VIN - SENSE, CL = GND, CB = VDD
70
90
110
mV
VCB
CB:CL ratio
CB = VDD
3.1
3.6
4
TIMER (TIMER PIN)
VTMRH
Upper threshold
1.54
1.7
1.85
V
Restart cycles
0.85
1.0
1.07
V
VTMRL
Lower threshold
End of 8th cycle
0.3
V
Re-enable threshold
0.3
V
Insertion time current
–3
–5.5
–8
µA
Sink current, end of insertion time
1.4
1.9
2.4
mA
ITIMER
Fault detection current
TIMER pin = 2 V
–120
–90
–60
µA
Fault sink current
2.8
µA
DCFAULT
Fault restart duty cycle
0.67%
INTERNAL REFERENCE
VREF
Reference voltage
2.703
2.73
2.757
V
ADC AND MUX
Resolution
12
Bits
INL
Integral non-linearity
ADC only
±1
LSB
TELEMETRY ACCURACY
CL = GND
30.2
mV
IINFSR
Current input full scale range
CL = VDD
60.4
mV
CL = GND
7.32
µV
IINLSB
Current input LSB
CL = VDD
14.64
µV
VAUXFSR
VAUX input full scale range
1.16
V
VAUXLSB
VAUX input LSB
283.2
µV
VINFSR
Input voltage full scale range
18.7
V
VINLSB
Input voltage LSB
4.54
mV
VIN – SENSE = 25 mV, CL = GND
–2.7
2.4
IINACC
Input current accuracy
VIN – SENSE = 25 mV, CL = GND
–2.4%
2.4%
TJ = 10°C to 85°C
VIN, VOUT = 12 V
–1.6%
1.4%
VAUX = 1 V
VACC
VAUX, VIN, VOUT accuracy
VIN, VOUT = 12 V
VAUX = 1 V
–1.4%
1.4%
TJ = 10°C to 85°C
Copyright © 2010–2015, Texas Instruments Incorporated
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