LTC2953IDD-2-TRPBF 查看數據表（PDF） - Linear Technology
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LTC2953IDD-2-TRPBF Datasheet PDF : 20 Pages
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LTC2953
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage (VIN) .................................. –0.3V to 33V
Input Voltages
⎯P⎯B, ⎯P⎯F⎯I, UVLO........................................... –6V to 33V
VM ......................................................... –0.3V to 20V
⎯K⎯I⎯L⎯L ....................................................... –0.3V to 10V
PDT....................................................... –0.3V to 2.7V
Output Voltages
EN/⎯E⎯N, ⎯P⎯F⎯O............................................ –0.3V to 50V
⎯R⎯S⎯T, ⎯I⎯N⎯T ................................................ –0.3V to 10V
Operating Temperature Range
LTC2953C ................................................ 0°C to 70°C
LTC2953I ............................................. –40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
GND 1
VM 2
KILL 3
PDT 4
PB 5
VIN 6
12 INT
11 EN/EN
10 RST
13
9 PFO
8 PFI
7 UVLO
DD PACKAGE
12-LEAD (3mm ´ 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD (PIN 13) PCB GROUND CONNECTION OPTIONAL
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2953CDD-1#PBF
LTC2953CDD-2#PBF
LTC2953IDD-1#PBF
LTC2953IDD-2#PBF
LTC2953CDD-1#TRPBF
LTC2953CDD-2#TRPBF
LTC2953IDD-1#TRPBF
LTC2953IDD-2#TRPBF
LCWT
LCQT
LCWT
LCQT
12-Lead (3mm × 3mm) Plastic DFN
12-Lead (3mm × 3mm) Plastic DFN
12-Lead (3mm × 3mm) Plastic DFN
12-Lead (3mm × 3mm) Plastic DFN
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 2.7V to 27V, unless otherwise noted (Note 2).
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Supply Pin (VIN)
VIN
Supply Voltage Range
Steady State Operation
● 2.7
27
V
IIN
VIN Supply Current
VUVL
VIN Undervoltage Lockout
Push Button, Enable (⎯P⎯B, EN/⎯E⎯N)
VIN = 2.7V to 27V
VIN Falling
●
14
26
μA
● 2.2
2.3
2.5
V
VPB(MIN, MAX)
IPB
⎯P⎯B Operating Voltage Range
⎯P⎯B Input Current
VPB(VTH)
VPB(VOC)
⎯P⎯B Input Threshold
⎯P⎯B Open Circuit Voltage
Single-Ended
2.5V < VPB < 27V
VPB = 1V
VPB = 0.6V
⎯P⎯B Falling
IPB = –1μA
● –1
27
V
●
±1
μA
● –1
–6
–12
μA
● –3
–9
–15
μA
● 0.6
0.8
1
V
●
1
1.6
2
V
2953f
2
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