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LS4391_TO-92 Datasheet(PDF) 1 Page - Micross Components

No. de pieza LS4391_TO-92
Descripción Electrónicos  Single N-Channel JFET switch
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Fabricante Electrónico  MICROSS [Micross Components]
Página de inicio  http://www.micross.com
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LS4391_TO-92 Datasheet(HTML) 1 Page - Micross Components

  LS4391_TO-92 Datasheet HTML 1Page - Micross Components  
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Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or
other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems.
FEATURES 
DIRECT REPLACEMENT FOR SILICONIX PN4391 
LOW ON RESISTANCE 
rDS(on) ≤ 30Ω 
LOW GATE OPERATING CURRENT 
ID(off) = 5pA 
FAST SWITCHING 
t(ON) ≤= 15ns 
ABSOLUTE MAXIMUM RATINGS
1 @ 25°C (unless otherwise noted) 
Maximum Temperatures 
Storage Temperature ‐65°C to +200°C 
Operating Junction Temperature ‐55°C to +200°C 
Maximum Power Dissipation 
Continuous Power Dissipation  
350mW 
MAXIMUM CURRENT
Gate Current (Note 1) 
IG = 50mA 
MAXIMUM VOLTAGES 
Gate to Drain Voltage /  Gate to Source Voltage ‐40V 
LS4391 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)
SYMBOL 
CHARACTERISTIC 
MIN 
TYP. 
MAX 
UNITS 
CONDITIONS 
BVGSS 
Gate to Source Breakdown Voltage ‐40 
‐‐ 
‐‐ 
 
I= ‐1µA,   VDS = 0V 
VGS(off) 
Gate to Source Cutoff Voltage ‐4 
‐‐ 
‐10 
VDS = 20V, ID = 1nA 
VGS(F) 
Gate to Source Forward Voltage 
‐‐ 
0.7 
                   I=  1mA,   VDS = 0V 
VDS(on) 
Drain to Source On Voltage 
‐‐ 
0.25 
‐‐ 
VGS = 0V,   ID = 3mA 
VDS(on) 
Drain to Source On Voltage 
‐‐ 
0.3 
‐‐ 
 
VGS = 0V,   ID = 6mA 
VDS(on) 
Drain to Source On Voltage 
‐‐ 
0.35 
0.4  
VGS = 0V,   ID = 12mA 
IDSS 
Drain to Source Saturation Current
2 
50 
‐‐ 
100 
mA 
VDS = 20V, VGS = 0V 
IGSS 
Gate Reverse Current 
‐‐ 
‐5 ‐1000  
 
pA 
VGS = ‐20V,  VDS = 0V 
IG 
Gate Operating Current 
‐‐ 
‐5 
‐‐ 
VDG = 15V,  ID = 10mA 
 
ID(off) 
 
 
Drain Cutoff Current 
‐‐ 
‐‐ 
VDS = 20V,   VGS = ‐5V 
‐‐ 
‐‐ 
VDS = 20V,   VGS = ‐7V 
‐‐ 
1000 
VDS = 20V,   VGS = ‐12V 
rDS(on) 
Drain to Source On Resistance 
‐‐ 
‐‐ 
30 Ω 
VGS = 0V,   ID = 1mA 
LS4391 DYNAMIC ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) 
SYMBOL 
CHARACTERISTIC 
TYP 
MIN 
MAX 
UNITS 
CONDITIONS 
gfs 
Forward Transconductance 
‐‐ 
‐‐ 
mS 
VDS = 20V,  ID = 1mA,  f = 1kHz 
gos 
Output Conductance 
25 
‐‐ 
‐‐ 
µS 
VDS = 20V,  ID = 1mA,  f = 1kHz 
rds(on) 
Drain to Source On Resistance 
‐‐ 
‐‐ 
30 Ω 
VGS = 0V,  ID = 0A,  f = 1kHz 
Ciss 
Input Capacitance 
12 
‐‐ 
16  
 
pF 
VDS = 20V,   VGS = 0V,  f = 1MHz 
Crss  
Reverse Transfer Capacitance 
3.5 
‐‐ 
‐‐ 
VDS = 0V,   VGS = ‐5V,  f = 1MHz 
Crss 
3.4 
‐‐ 
‐‐ 
VDS = 0V,   VGS = ‐7V,  f = 1MHz 
Crss 
‐‐ 
VDS = 0V,   VGS = ‐12V,  f = 1MHz 
en 
Equivalent Input Noise Voltage 
‐‐ 
‐‐ 
nV/√Hz 
VDS = 10V,  ID = 10mA,  f = 1kHz 
LS4391 SWITCHING ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) 
SYMBOL 
CHARACTERISTIC 
TYP 
MIN 
MAX 
UNITS 
CONDITIONS 
td(on)  
Turn On Time 
‐‐ 
15  
 
ns 
 
 
 
VDD = 10V,   VGS(H) = 0V 
tr 
‐‐ 
td(off)  
Turn Off Time 
‐‐ 
20 
tf 
13 
‐‐ 
15 
Notes: 1. Absolute ratings are limiting values above which serviceability may be impaired 
             2. Pulse test: PW ≤ 300µs, Duty Cycle ≤ 3% 
LS4391 SWITCHING CIRCUIT PARAMETERS                                                                                                                                         SWITCHING CIRCUIT 
VGS(L) ‐12V  
RL 
800Ω 
 
ID(on) 
12mA  
  
 
  
 
  
 
  
 
  
 
LS4391
Single N-Channel JFET switch
Linear Systems replaces discontinued Siliconix PN4391
The LS4391 features many of the superior
characteristics of JFETs which make it a good choice
for demanding analog switching applications and for
specialized amplifier circuits.
LS4391 Applications:
Analog Switches
Choppers,
Sample-and-Hold
Normally “On” Switches, Current Limiters
LS4391 Benefits:
Low Error Voltage
High-Speed Analog Circuit Performance
Negligible “Off-Error,” Excellent Accuracy
Good Frequency Response, Low Glitches
Eliminates Additional Buffering
Micross Components Europe
Tel: +44 1603 788967
Email: chipcomponents@micross.com
Web: http://www.micross.com/distribution
Available Packages:
LS4391 in TO-92
LS4391 in bare die.
Contact Micross for full package and die dimensions
TO-92 (Bottom View)


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