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LM3102-Q1 bảng dữ liệu(PDF) 6 Page - Texas Instruments

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tên linh kiện LM3102-Q1
Giải thích chi tiết về linh kiện  LM3102/-Q1 SIMPLE SWITCHER짰 Synchronous 1-MHz, 2.5-A Step-Down Voltage Regulator
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Trang chủ  http://www.ti.com
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LM3102-Q1 bảng dữ liệu(HTML) 6 Page - Texas Instruments

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LM3102, LM3102-Q1
SNVS515H – SEPTEMBER 2007 – REVISED JUNE 2015
www.ti.com
Electrical Characteristics (continued)
Specifications with standard type are for TJ = 25°C unless otherwise specified. Minimum and Maximum limits are specified
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 = 18 V, VOUT = 3.3 V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CURRENT LIMIT
ICL
Syn. MOSFET current limit
LM3102
2.7
A
threshold
ICL
Syn. MOSFET current limit
LM3102TLX–1
1.5
A
threshold
ON/OFF TIMER
VIN = 10V, RON = 100 kΩ
1.38
ton
ON timer pulse width
µs
VIN = 30V, RON = 100 kΩ
0.47
ON timer minimum pulse
ton-MIN
150
ns
width
toff
OFF timer pulse width
260
ns
ENABLE INPUT
EN Pin input threshold
1.18
over the full Operating
VEN
VEN rising
V
Junction Temperature
1.13
1.23
(TJ) range
VEN-HYS
Enable threshold hysteresis
VEN falling
90
mV
REGULATION AND OVERVOLTAGE COMPARATOR
0.8
VSS ≥ 0.8V
over the full Operating
TJ = −40°C to +125°C
Junction Temperature
0.784
0.816
VFB
In-regulation feedback voltage
(TJ) range
V
over the full Operating
VSS ≥ 0.8V
Junction Temperature
0.788
0.812
TJ = 0°C to +125°C
(TJ) range
0.92
VFB-OV
V
Feedback overvoltage
over the full Operating Junction Temperature (TJ)
0.888
0.945
threshold
range
IFB
5
nA
THERMAL SHUTDOWN
TSD
Thermal shutdown
TJ rising
165
°C
temperature
TSD-HYS
Thermal shutdown
TJ falling
20
°C
temperature hysteresis
6
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