LTC4217(RevC) Ver la hoja de datos (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
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
IDD
VDD(UVL)
VDD(UVTH)
ΔVDD(UVHYST)
VDD(OVTH)
ΔVDD(OVHYST)
VOUT(PGTH)
ΔVOUT(PGHYST)
IOUT
Input Supply Range
Input Supply Current
Input Supply Undervoltage Lockout
Input Supply Undervoltage Threshold
Input Supply Undervoltage Hysteresis
Input Supply Overvoltage Threshold
Input Supply Overvoltage Hysteresis
Output Power Good Threshold
Output Power Good Hysteresis
OUT Pin Leakage Current
ΔVGATE/Δt
RON
ILIM(TH)
GATE Pin Turn-On Ramp Rate
MOSFET + Sense Resistor On Resistance
Current Limit Threshold
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
Note 6
VFB = 1.23V
VFB = 1.23V
VFB = 0V
VFB = 1.23V, RSET = 20kΩ
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 0.15
0.3
0.55
V/ms
l 15
33
50
mΩ
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
4217fc
3
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