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LT1933ES6-PBF Datasheet(PDF) 3 Page - Linear Technology

Part # LT1933ES6-PBF
Description  600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1933ES6-PBF Datasheet(HTML) 3 Page - Linear Technology

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LT1933
3
1933fd
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT1933E is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. The LT1933I specifications are
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout
3.35
3.6
V
Feedback Voltage
l
1.225
1.245
1.265
V
FB Pin Bias Current
VFB = Measured VREF + 10mV (Note 4)
l
40
120
nA
Quiescent Current
Not Switching
1.6
2.5
mA
Quiescent Current in Shutdown
VSHDN = 0V
0.01
2
μA
Reference Line Regulation
VIN = 5V to 36V
0.01
%/V
Switching Frequency
VFB = 1.1V
400
500
600
kHz
VFB = 0V
55
kHz
Maximum Duty Cycle
l
88
94
%
Switch Current Limit
(Note 3)
0.75
1.05
A
Switch VCESAT
ISW = 400mA, S6 Package
ISW = 400mA, DCB6 Package
370
370
500
mV
mV
Switch Leakage Current
2μA
Minimum Boost Voltage Above Switch
ISW = 400mA
1.9
2.3
V
BOOST Pin Current
ISW = 400mA
18
25
mA
SHDN Input Voltage High
2.3
V
SHDN Input Voltage Low
0.3
V
SHDN Bias Current
VSHDN = 2.3V (Note 5)
VSHDN = 0V
34
0.01
50
0.1
μA
μA
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VBOOST = 17V, unless otherwise noted. (Note 2)
guaranteed over the –40°C to 125°C temperature range. The LT1933H
specifications are guaranteed over the –40°C to 150°C temperature range.
Note 3: Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
Note 4: Current flows out of pin.
Note 5: Current flows into pin.


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