LTC4217 Просмотр технического описания (PDF) - Linear Technology
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LTC4217 Datasheet PDF : 18 Pages
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LTC4217
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4217CDHC-12#PBF LTC4217CDHC-12#TRPBF 421712
16-Lead (5mm × 3mm) Plastic DFN
0°C to 70°C
LTC4217IDHC-12#PBF LTC4217IDHC-12#TRPBF 421712
16-Lead (5mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4217CDHC#PBF
LTC4217CDHC#TRPBF 4217
16-Lead (5mm × 3mm) Plastic DFN
0°C to 70°C
LTC4217IDHC#PBF
LTC4217IDHC#TRPBF 4217
16-Lead (5mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4217CFE#PBF
LTC4217CFE#TRPBF
LTC4217FE
20-Lead Plastic TSSOP
0°C to 70°C
LTC4217IFE#PBF
LTC4217IFE#TRPBF
LTC4217FE
20-Lead Plastic TSSOP
–40°C to 85°C
LTC4217HFE#PBF
LTC4217HFE#TRPBF
LTC4217FE
20-Lead Plastic TSSOP
–40°C to 125°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4217CDHC-12
LTC4217CDHC-12#TR 421712
16-Lead (5mm × 3mm) Plastic DFN
0°C to 70°C
LTC4217IDHC-12
LTC4217IDHC-12#TR 421712
16-Lead (5mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4217CDHC
LTC4217CDHC#TR
4217
16-Lead (5mm × 3mm) Plastic DFN
0°C to 70°C
LTC4217IDHC
LTC4217IDHC#TR
4217
16-Lead (5mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4217CFE
LTC4217CFE#TR
LTC4217FE
20-Lead Plastic TSSOP
0°C to 70°C
LTC4217IFE
LTC4217IFE#TR
LTC4217FE
20-Lead Plastic TSSOP
–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.
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 l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
DC Characteristics
VDD
Input Supply Range
IDD
Input Supply Current
VDD(UVL)
Input Supply Undervoltage Lockout
VDD(UVTH)
Input Supply Undervoltage Threshold
∆VDD(UVHYST) Input Supply Undervoltage Hysteresis
VDD(OVTH)
Input Supply Overvoltage Threshold
∆VDD(OVHYST) Input Supply Overvoltage Hysteresis
VOUT(PGTH) Output Power Good Threshold
∆VOUT(PGHYST) Output Power Good Hysteresis
IOUT
OUT Pin Leakage Current
∆VGATE/∆t
RON
GATE Pin Turn-On Ramp Rate
MOSFET + Sense Resistor On-Resistance
(Note 6)
MOSFET On, No Load
VDD Rising
LTC4217-12, VDD Rising
LTC4217-12
LTC4217-12, VDD Rising
LTC4217-12
LTC4217-12, VOUT Rising
LTC4217-12
VOUT = VGATE = 0V, VDD = 26.5V
VOUT = VGATE = 12V, LTC4217
VOUT = VGATE = 12V, LTC4217-12
VOUT = VGATE = 12V, LTC4217H
C-Grade, I-Grade
H-Grade
l 2.9
26.5
V
l
1.6
3
mA
l 2.65 2.73 2.85
V
l 9.6
9.88 10.2
V
l 520
640
760
mV
l 14.7 15.05 15.4
V
l 183
244
305
mV
l 10.2 10.5 10.8
V
l 127
170
213
mV
l
0
±150
µA
l
1
2
4
µA
l 50
70
90
µA
l
1
2
6
µA
l 0.15
0.3
0.55
V/ms
l 15
33
50
mΩ
l 15
33
60
mΩ
ILIM(TH)
Current Limit Threshold
VFB = 1.23V
VFB = 1.23V
VFB = 0V
VFB = 1.23V, RSET = 20kΩ
1.9
2
2.1
A
l 1.85
2
2.15
A
l 0.35
0.5
0.7
A
l 0.85
1
1.17
A
4217fe
3
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