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LTC4241IGN Datasheet(PDF) 2 Page - Linear Technology

No. de pieza LTC4241IGN
Descripción Electrónicos  PCI-Bus with 3.3V Auxiliary Hot Swap Controller
PDF  16 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LTC4241IGN Datasheet(HTML) 2 Page - Linear Technology

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LTC4241
2
sn4241 4241f
ORDER PART
NUMBER
TJMAX = 150°C, θJA = 135°C/W
LTC4241CGN
LTC4241IGN
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V12VIN = 12V, VVEEIN = –12V, V3VIN = 3.3V, V5VIN = 5V,
VAUXIN = 3.3V. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IDD
V12VIN Supply Current
ON = V12VIN
q
2.5
8
mA
VAUXIN Supply Current
AUXON = VAUXIN
q
0.5
1.5
mA
VLKO
Undervoltage Lockout,
12VIN
q
6.5
9
10.8
V
Low-to-High Transition
3VIN
q
2.25
2.50
2.75
V
5VIN
q
3.65
3.90
4.15
V
AUXIN
q
2.35
2.60
2.85
V
VLKH
Undervoltage Lockout Hysteresis
3VIN, 5VIN
20
mV
AUXIN
120
mV
VSENSE5(TH)
Current Limit Sense Voltage
V5VOUT = 0V
q
5.5
9
14.5
mV
Threshold (V5VIN – V5VSENSE)V5VOUT > 4V
q
40
55
70
mV
VSENSE3(TH)
Current Limit Sense Voltage
V3VOUT = 0V
q
5.5
9
14.5
mV
Threshold (V3VIN – V3VSENSE)V3VOUT > 2V
q
40
55
70
mV
tCB
Circuit Breaker Trip Filter Time
(V5VIN – V5VSENSE) = Step 0 to 100mV
17
µs
(VAUXIN – VAUXSENSE) = Step 0 to 100mV
8
µs
IGATE
GATE Pin Output Current
ON High, FAULT High, VGATE = GND
q
–20
–60
–100
µA
ON Low, FAULT High, VGATE = 5V
200
µA
ON High, FAULT Low, VGATE = 5V
5
25
35
mA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
GN PACKAGE
20-LEAD NARROW PLASTIC SSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
12VOUT
VEEOUT
5VOUT
5VIN
5VSENSE
GATE
3VSENSE
3VIN
AUXON
AUXIN
12VIN
VEEIN
3VOUT
TIMER
ON
FAULT
PWRGD
GND
AUXGATE
AUXSENSE
Supply Voltages
12VIN ................................................................... 14V
VEEIN .................................................................. –14V
AUXIN ................................................................... 7V
Input Voltage
ON ......................................................... –0.3V to 14V
AUXON .................................................. –0.3V to 14V
Output Voltages
(FAULT, PWRGD) .................................. –0.3V to 14V
Analog Voltages
TIMER, 3VIN, 3VSENSE, GATE,
5VSENSE, 5VIN ............................. –0.3V to (12VIN + 0.3V)
3VOUT, 5VOUT ........................................ –0.3V to 14V
AUXSENSE .......................... –0.3V to (AUXIN + 0.3V)
VEEOUT ................................................ –14V to + 0.3V
12VOUT .................................................. –0.3V to 14V
AUXGATE ......................... Internally Limited (Note 3)
Operating Temperature Range
LTC4241CGN ........................................... 0
°C to 70°C
LTC4241IGN ........................................–40
°C to 85°C
Storage Temperature Range ..................–65
°C to 150°C
Lead Temperature (Soldering,10sec).................... 300
°C
DC ELECTRICAL CHARACTERISTICS



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