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LTC4417IUF#TRPBF

Description
IC OR CTRLR SRC SELECT 24QFN
CategoryPower/power management    The power supply circuit   
File Size294KB,10 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC4417IUF#TRPBF Overview

IC OR CTRLR SRC SELECT 24QFN

LTC4417IUF#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeQFN
package instructionHVQCCN, LCC24,.16SQ,20
Contacts24
Manufacturer packaging codeUF
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresOV, UV THRESHOLD VOLTAGE IS 1V
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-PQCC-N24
JESD-609 codee3
length4 mm
Humidity sensitivity level1
Number of channels3
Number of functions1
Number of terminals24
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC24,.16SQ,20
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply2.5/36 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)0.093 mA
Maximum supply voltage (Vsup)36 V
Minimum supply voltage (Vsup)2.5 V
Nominal supply voltage (Vsup)12 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width4 mm
DEMO MANUAL DC1717A
LTC4417
Prioritized PowerPath™ Controller
Description
Demonstration circuit DC1717A uses the
LTC
®
4417
to
arbitrate between three input supply rails, selecting the
highest priority, valid supply to power the load. The rail’s
priority is defined by the input connection (V1-V3). Each
rail has overvoltage and undervoltage thresholds set by
external resistors. If the highest priority rail voltage falls
out of the defined window (overvoltage or undervoltage),
the rail with the next highest priority, which is valid, is
enabled and powers the load. Two or more LTC4417s
can be cascaded to provide switchover between more
than three rails.
Design files for this circuit board are available at
http://www.linear.com/demo/DC1717A
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
PowerPath is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
performance summary
SYMBOL
V1-V3, V
OUT
ΔV
G
ΔV
G(SOURCE)
ΔV
G(SINK)
ΔV
G(OFF)
ΔV
G(SLEW,ON)
ΔV
G(SLEW,OFF)
I
GATE(LOW)
V
REV
V
VALID(OL)
t
PVALID(OFF)
V
SHDN(THR)
V
SHDN_EN(HYS)
I
SHDN_EN
V
OV_UV(THR)
V
OV_UV(HYS)
t
VALID
V1
V2
V3
I
LOAD
AVI
PARAMETER
V1 to V3, V
OUT
Operating Supply Range
Open (VS-VG) Clamp Voltage
Sourcing (VS-VG) Clamp Voltage
Sinking (VS-VG) Clamp Voltage
G1 to G3 Off (VS-VG) Threshold
G1 to G3 Pull-Down Slew Rate
G1 to G3 Pull-Up Slew Rate
G1 to G3 Low Pull-Down Current
Reverse Voltage Threshold
VALID1
to
VALID3
Output Low Voltage
VALID1
to
VALID3
Delay OFF from
OV/UV Fault
SHDN
Threshold Voltage
SHDN,
EN Threshold Hysteresis
SHDN,
EN Pull-Up Current
OV1 to O3, UV1 to UV3 Comparator
Threshold
OV1 to O3, UV1 to UV3 Comparator
Hysteresis
V1 to V3 Validation Time
Operating Voltage of Channel V1
Operating Voltage of Channel V2
Operating voltage of Channel V3
Load Current
Auxiliary Voltage Input
Specifications are at T
A
= 25°C
CONDITIONS
V
OUT
= 11V, G1 to G3 = Open
V
OUT
= 11V, I = –10µA
V
OUT
= 11V, I = 10µA
V1 = V2 = V3 = 2.8V, V
OUT
= 2.6V, G1 to G3 Rising Edge
V
OUT
= 11V, C
GATE
= 10nF
V
OUT
= 11V, C
GATE
= 10nF
V
OUT
= 2.6V, V1 to V3 = 2.8V, (G1 to G3) = ΔV
G
+ 300mV
Measure (V1 to V3) – V
OUT
, V
OUT
Falling
V
OUT
= 11V, C
GATE
= 10nF
I = 1mA, (V1 to V3) = 2.5V, V
OUT
= 0V
5
SHDN
Rising
SHDN
= EN = 0V
V
OUT
= 11V, OV1 to OV3 Rising, UV1 to UV3 Falling
V
OUT
= 11V
0.4
–0.5
0.985
15
100
9.6
4
6.4
6
MIN
2.5
5.4
5.8
4.5
0.12
4
7.5
0.8
30
0.7
6.2
6.6
5.2
0.35
9
13
2
120
2
0.2
8
0.8
100
–2
1
30
256
12
5
8
2
24
–5
1.015
45
412
14.4
6
9.6
TYP
MAX
36
6.7
7
6
0.6
20
22
7
200
3
0.55
13
1.2
UNITS
V
V
V
V
V
V/µs
V/µs
µA
mV
µs
V
µs
V
mV
µA
V
mV
ms
V
V
V
A
V
dc1717afa
t
G(SWITCHOVER)
Break-Before-Make Time
1
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