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UCD3138ARMHT 数据表(PDF) 17 Page - Texas Instruments

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部件名 UCD3138ARMHT
功能描述  Highly-Integrated Digital Controller for Isolated Power
PDF  87 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

UCD3138ARMHT 数据表(HTML) 17 Page - Texas Instruments

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UCD3138A
www.ti.com
SLUSC66C – MARCH 2015 – REVISED SEPTEMBER 2016
Submit Documentation Feedback
Product Folder Links: UCD3138A
Specifications
Copyright © 2015–2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
3 V
≤ VV33A = VV33D = VV33DIO ≤ to 3.6 V, 1 μF of capacitance from BP18 to DGND, –40°C ≤ TJ ≤ 125°C (unless otherwise
noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
(7)
Specified by design. Not production tested.
(8)
Ambient temperature offset value should be used from the TEMPSENCTRL register to meet accuracy.
(9)
Available from reference DACs for comparators D, E, F, and G.
POWER ON RESET AND BROWN OUT (V33D pin, See Figure 6-2)
VGH
Voltage good high
2.7
V
VGL
Voltage good low
2.5
V
Vres
Voltage at which I
RESET signal is valid
0.8
V
tPOR
Time delay after power is good or
RESET relinquished
1
ms
Brownout
Internal signal warning of brownout
conditions
2.9
V
TEMPERATURE SENSOR(7)
VTEMP
Voltage range of sensor
1.46
2.44
V
Voltage resolution
V/°C
5.9
mV/ºC
Temperature resolution
°C per bit
0.1034
ºC/LSB
Accuracy(7)(8)
–10
±5
10
ºC
Temperature range
–40
125
ºC
ITEMP
Current draw of sensor when active
30
μA
tON
Turn on time, settling time of sensor
100
μs
VAMB
Ambient temperature
Trimmed 25°C reading
1.85
V
ANALOG COMPARATOR
DAC
Reference DAC range
0
2.5
V
Reference voltage
2.478
2.5
2.513
V
Bits
7
bits
INL(7)
–0.42
0.21
LSB
DNL(7)
0.06
0.12
LSB
Offset
–5.5
19.5
mV
Time to disable DPWM output based on
0 V to 2.5 V step input on the analog
comparator.(1)
150
ns
Reference DAC buffered output load(9)
0.5
1
mA
Buffer offset (–0.5 mA)
0.3 V < VDAC < 2.17 V
0
10
mV
Buffer offset (1.0 mA)
0.3 V < VDAC < 2.17 V
–10
0
mV



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