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LM10520 データシート(PDF) 5 Page - Texas Instruments

部品番号 LM10520
部品情報  LM10520 Single-Phase Buck Controller for AVS Systems
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

LM10520 データシート(HTML) 5 Page - Texas Instruments

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LM10520
www.ti.com
SNVS638 – NOVEMBER 2010
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ABSOLUTE MAXIMUM RATINGS
(1) (2)
ON/OFF, VIN
-0.3V to 16V
VCC
-0.3V to 6V
LG, PGND, SGND, PWGD, HG, SD, FB, SS/TRACK, EAO, FREQ/SYNC
-0.3V to VCC + 0.3V
BOOT
-0.3V to 18V
ISEN
-0.3V to 14V
VPWI
-0.2V to VDD
SPWI, SCLK
-0.2 to VPWI
All other pins
-0.2V to 6V
Junction Temperature
150°C
Storage Temperature
-45°C to 150°C
ESD Tolerance (3)
Human Body Model
1.5 kV
Soldering Information
See product folder at www.ti.com and literature number SNOA549
(1)
Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for which
the device operates correctly. Operating Ratings do not imply ensured performance limits.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3)
ESD using the human body model which is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin.
OPERATING RATINGS
VIN
3.5V to 16V
VCC, VDD
3V to 5.5V
VPWI(1)
1.6V to 3.6V
BOOT Voltage
1V to 17V
Junction Temperature
-40°C to 125°C
(1)
Note: VPWI cannot be higher than VDD
THERMAL PROPERTIES
Junction-to-Ambient Thermal Resistance
26°C/W
ELECTRICAL CHARACTERISTICS
VCC = 3.3V unless otherwise indicated. Typicals and limits appearing in plain type apply for TA= TJ= 25°C. Limits appearing in
boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are specified by design,
test, or statistical analysis.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VFB
FB Pin Voltage
VCC = 3V to 6V
0.591
0.6
0.609
V
VON
UVLO Thresholds
VCC Rising
2.79
V
VCC Falling
2.42
VCC = 3.3V, VSD = 3.3V
fSW = 600 kHz, VCC connected to
2.15
2.71
VDD
Operating VCC/VDD Current
mA
VCC = VDD = 5V, VSD = 5V
2.315
3.01
IQ
fSW = 600 kHz
VCC = VDD = 3.3V,
2.5
13
Shutdown VCC/VDD Current
VSD = EN_BIAS= 0V
µA
Shutdown VIN Current
ON/OFF = 0V
0.05
2
tPWGD1
PWGD Pin Response Time
VFB Rising
10
µs
tPWGD2
PWGD Pin Response Time
VFB Falling
10
µs
ISS-ON
SS Pin Source Current
VSS = 0V
7
10
14
µA
Copyright © 2010, Texas Instruments Incorporated
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