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LM26003 Folha de dados(PDF) 6 Page - Texas Instruments

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Nome de Peças LM26003
Descrição Electrónicos  LM26003-xx 3-A Switching Regulator With High Efficiency Sleep Mode
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

LM26003 Folha de dados(HTML) 6 Page - Texas Instruments

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LM26003, LM26003-Q1
SNVS576F – AUGUST 2008 – REVISED FEBRUARY 2015
www.ti.com
Electrical Characteristics (continued)
Unless otherwise stated, Vin = 12 V, TJ = 25°C. Minimum and Maximum limits are ensured through test, design, or statistical
correlation.
PARAMETER
TEST CONDITIONS
MIN
TYP(1)
MAX
UNIT
PROTECTION
ILIMPK
Peak Current Limit
4.7
A
–40°C
≤ TJ ≤ 125°C
3.15
6.05
VFB_SC
Short Circuit Frequency Foldback
Measured at FB falling
0.87
V
Threshold
F_min_sc
Min Frequency in Foldback
VFB < 0.3 V
45
kHz
VTH_PGOOD
Power Good Threshold
Measured at FB, PGOOD rising
92%
Measured at FB, PGOOD rising,
89%
95%
–40°C
≤ TJ ≤ 125°C
PGOOD Hysteresis
2%
6%
8%
IPGOOD_HI
PGOOD Leakage Current
PGOOD = 5 V
1.25
nA
RDS_PGOOD
PGOOD On Resistance
PGOOD sink current = 500 µA
150
VUVLO
Under-voltage Lock-Out Threshold
Vin falling , shutdown, VDD =
2.96
V
VIN
Vin falling , shutdown, VDD =
2.70
3.30
VIN, –40°C
≤ TJ ≤ 125°C
Vin rising, soft-start, VDD = VIN
3.99
Vin rising, soft-start, VDD = VIN,
3.70
4.30
–40°C
≤ TJ ≤ 125°C
TSD
Thermal Shutdown Threshold
160
°C
θJA
Thermal Resistance
Power dissipation = 1W, 0 lfpm
32
°C/W
air flow
LOGIC
VthEN
Enable Threshold Voltage
Enable rising
1.18
V
Enable rising, –40°C
≤ TJ
0.8
1.4
125°C
Enable Hysteresis
180
mV
IEN_Source
EN Source Current
EN = 0 V
4.85
µA
VTH_FPWM
FPWM Threshold
1.24
V
–40°C
≤ TJ ≤ 125°C
0.8
1.6
IFPWM
FPWM Leakage Current
FPWM = 5 V
3
nA
EA
gm
Error Amp Trans-conductance
675
µmho
–40°C
≤ TJ ≤ 125°C
400
1000
ICOMP
COMP Source Current
VCOMP = 0.9 V
57
µA
COMP Sink Current
VCOMP = 0.9 V
57
µA
VCOMP
COMP Pin Voltage Range
0.64
1.27
V
6
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Product Folder Links: LM26003 LM26003-Q1


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