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LT7184S データシート(PDF) 8 Page - Analog Devices

部品番号 LT7184S
部品情報  Dual Channel 9A, 16V PolyPhase Step-Down Silent Switcher 2 with Digital Power System Management
PDF  52 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
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LT7184S データシート(HTML) 8 Page - Analog Devices

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Data Sheet
LT7184S
analog.com
Rev. 0
8 of 52
(TA = 25°C for typical values. For minimum and maximum values, specifications apply over the full operating
temperature range unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOUT UV/OV Fault/Warning
Time
VOUT = 10mV Beyond Threshold
25
μs
INPUT VOLTAGE SUPERVISORS
ON Threshold
Programming Range
PVIN rising, TA = 25°C
1.4
16
V
OFF Threshold
Programming Range
PVIN falling, TA = 25°C
1.35
16
V
ON/OFF Threshold
Programming
Step Size
25
mV
ON/OFF Threshold
Set Point Accuracy
VIN_ON/OFF ≤ 5V
-100
100
mV
5V ≤ VIN_ON/OFF ≤ 20V
-2
2
%
PVIN Overvoltage Lockout
Threshold
PVIN0 or PVIN1 Rising
17.26
17.6
17.94
V
PVIN0 or PVIN1 Falling
16.26
16.7
17.14
V
OSCILLATOR AND PHASE-LOCKED LOOP
SYNC Input Frequency
Range
500
4000
kHz
Switching Frequency
Programmable Range
TA = 25°C
500
4000
kHz
Switching Frequency Set
Point Accuracy
-7.5
7.5
%
Switching Phase
Programming Range
0
345
deg
Switching Phase
Programmable
Resolution
15
deg
TELEMETRY READBACK
Telemetry Measurement
Period, All Except Die
Temperature
Standard Telemetry Mode
6.5
ms
Telemetry Measurement
Period, All except Die
Temperature
Low-Frequency Telemetry
110
ms
Telemetry Measurement
Period, Die Temperature
26
ms
OUTPUT VOLTAGE READBACK
READ_VOUT Accuracy
High-Performance Low-VOUT Mode,
0.6V ≤ VOUT ≤ 1.375V
-0.2
0.2
%
0.4V < VOUT < 5.5V
-0.4
0.4
%
PVIN0, PVIN1 INPUT VOLTAGE READBACK
READ_VIN Accuracy
1.5V ≤ PVIN ≤ 3.0V
-30
30
mV
3.0V ≤ PVIN ≤ 16V
-1
1
%



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