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LM5576-Q1 bảng dữ liệu(PDF) 5 Page - Texas Instruments

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tên linh kiện LM5576-Q1
Giải thích chi tiết về linh kiện  SIMPLE SWITCHER 75 V, 3 A Step-Down Switching Regulator
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LM5576-Q1 bảng dữ liệu(HTML) 5 Page - Texas Instruments

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LM5576, LM5576-Q1
www.ti.com
SNVS447J – JANUARY 2007 – REVISED NOVEMBER 2014
Product Folder Links: LM5576 LM5576-Q1
Submit Documentation Feedback
Copyright © 2007–2014, Texas Instruments Incorporated
(1)
AEC Q100-002 indicates HBM stressing is done in accordance with the ANSI/ESDA/JEDEC JS-001 specification.
6.3 Handling Ratings: LM5576-Q1
MIN
MAX
UNIT
Tstg
Storage temperature range
–65
150
°C
V(ESD)
Electrostatic discharge
Human body model (HBM), per AEC Q100-002(1)
2
kV
6.4 Recommended Operating Conditions
MIN
MAX
UNIT
VIN
6
75
V
Operation Junction Temperature (Q0)
−40
150
°C
Operation Junction Temperature (Q1)
−40
125
°C
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
6.5 Thermal Information
THERMAL METRIC(1)
LM5576
UNIT
PWP
20 PINS
RθJA
Junction-to-ambient thermal resistance
40
°C/W
(1)
Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation
using Statistical Quality Control (SQC) methods. Limits are used to calculate Texas Instruments' Average Outgoing Quality Level
(AOQL).
6.6 Electrical Characteristics
Typical values correspond to TJ = 25°C, VIN = 48 V, RT = 32.4kΩ. Minimum and maximum limits apply over –40°C to 125°C
junction temperature range unless otherwise stated.
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
STARTUP REGULATOR
VCC Reg
VCC Regulator Output
6.85
7.15
7.45
V
VCC LDO Mode turn-off
9
V
VCC Current Limit
VCC = 0 V
25
mA
VCC SUPPLY
VCC UVLO Threshold
(VCC increasing)
5.03
5.35
5.67
V
VCC Undervoltage Hysteresis
0.25
V
Bias Current (Iin)
FB = 1.3 V
3.4
4.5
mA
Shutdown Current (Iin)
SD = 0 V
57
85
µA
SHUTDOWN THRESHOLDS
Shutdown Threshold
(SD Increasing)
0.47
0.7
0.9
V
Shutdown Hysteresis
0.1
V
Standby Threshold
(Standby Increasing)
1.17
1.225
1.28
V
Standby Hysteresis
0.1
V
SD Pull-up Current Source
5
µA
SWITCH CHARACTERISTICS
Buck Switch Rds(on) (Q0)
170
380
m
Buck Switch Rds(on) (Q1)
170
340
m
BOOST UVLO
3.8
V
BOOST UVLO Hysteresis
0.56
V
Pre-charge Switch Rds(on)
70
Pre-charge Switch on-time
265
ns
CURRENT LIMIT
Cycle by Cycle Current Limit (Q0)
RAMP = 0 V
3.6
4.2
5.5
A


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