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LM2852XMXA-1.5 Arkusz danych(PDF) 5 Page - Texas Instruments

Numer części LM2852XMXA-1.5
Szczegółowy opis  Synchronous Simple Switcher Buck Regulator
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Strona internetowa  http://www.ti.com
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LM2852XMXA-1.5 Arkusz danych(HTML) 5 Page - Texas Instruments

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LM2852
www.ti.com
SNVS325E – JANUARY 2005 – REVISED JANUARY 2016
6.5 Electrical Characteristics
AVIN = PVIN = 5 V unless otherwise indicated under the Test Conditions column. Limits apply over the junction temperature
(TJ) range of –40°C to 125°C (unless otherwise noted). Minimum and Maximum limits are ensured 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.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SYSTEM PARAMETERS
VOUT = 0.8-V option
0.782
0.818
VOUT = 1-V option
0.9775
1.0225
VOUT = 1.2-V option
1.173
1.227
VOUT = 1.5-V option
1.4663
1.5337
Voltage
VOUT
V
tolerance(1)
VOUT = 1.8-V option
1.7595
1.8405
VOUT = 2.5-V option
2.4437
2.5563
VOUT = 3-V option
2.9325
3.0675
VOUT = 3.3-V option
3.2257
3.3743
TJ = –40°C to
VOUT = 0.8 V, 1 V, 1.2 V, 1.5 V,
0.6%
125°C
1.8 V or 2.5 V,
2.85 V
≤ AVIN ≤ 5.5 V
TJ = 25°C
0.2%
ΔVOUT/ ΔAVIN
Line regulation(1)
TJ = –40°C to
0.6%
VOUT = 3.3 V,
125°C
3.5 V
≤ AVIN ≤ 5.5 V
TJ = 25°C
0.2%
ΔVOUT/ΔIO
Load regulation
Normal operation
TJ = 25°C
8
mV/A
TJ = –40°C to
2.85
125°C
Rising
V
TJ = 25°C
2.47
VON
UVLO threshold (AVIN)
TJ = –40°C to
85
210
125°C
Falling hysteresis
mV
TJ = 25°C
150
TJ = –40°C to
140
125°C
rDSON-P
PFET ON resistance
Isw = 2 A
m
TJ = 25°C
75
TJ = –40°C to
120
125°C
rDSON-N
NFET ON resistance
Isw = 2 A
m
TJ = 25°C
55
RSS
Soft-start resistance
TJ = 25°C
400
k
TJ = –40°C to
2.75
4.95
125°C
LM2852X
TJ = 25°C
4
Peak current limit
ICL
A
threshold
TJ = –40°C to
2.25
3.65
125°C
LM2852Y
TJ = 25°C
3
TJ = –40°C to
2
125°C
IQ
Operating current
Non-switching
mA
TJ = 25°C
0.85
TJ = –40°C to
25
Shutdown quiescent
125°C
ISD
EN = 0 V
µA
current
TJ = 25°C
10
RSNS
Sense pin resistance
TJ = 25°C
400
k
(1)
VOUT measured in a non-switching, closed-loop configuration at the SNS pin.
Copyright © 2005–2016, Texas Instruments Incorporated
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