LTC1177-12 Ver la hoja de datos (PDF) - Linear Technology
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LTC1177-12 Datasheet PDF : 8 Pages
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LTC1177-5/LTC1177-12
ABSOLUTE AXI U RATI GS
Input Voltages
VIN (LTC1177-5) ....................... 6V to (GND1 – 0.3V)
VIN (LTC1177-12) ................ 13.2V to (GND1 – 0.3V)
Sense (LTC1177-5) ................... 6V to (GND2 –␣ 0.3V)
Sense (LTC1177-12) .............. 12V to (GND2 – 0.3V)
Output Voltages .......................... 12V to (GND2 – 0.3V)
Operating Temperature Range
Commercial ............................................. 0°C to 70°C
Industrial ........................................... – 40°C to 85°C
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
TOP VIEW
VIN 1
ISOLATION
BARRIER
18 GND1
NC 7
NC 8
OUT 9
12 NC
11 GND2
10 SENSE
N PACKAGE
18-LEAD PDIP ISOLATION BARRIER
TJMAX = 125°C, θJA = 110°C/ W
LTC1177CN-5
LTC1177CN-12
LTC1177IN-5
LTC1177IN-12
Consult factory for Military grade parts.
NC 1
VIN 2
NC 3
NC 4
TOP VIEW
28 NC
27 GND1
26 NC
25 NC
ISOLATION
BARRIER
ORDER PART
NUMBER
LTC1177CSW-5
LTC1177CSW-12
LTC1177ISW-5
LTC1177ISW-12
NC 11
NC 12
OUT 13
NC 14
18 NC
17 GND2
16 SENSE
15 NC
SW PACKAGE
28-LEAD PLASTIC SO WIDE
ISOLATION BARRIER
TJMAX = 125°C, θJA = 125°C/ W
ELECTRICAL CHARACTERISTICS VIN = 5V, TA = 25°C, unless otherwise noted.
SYMBOL PARAMETER
VOUT
Output Voltage (Refer to GND2)
IIN
Input Current
ILIM
Current Limit
tON
Turn-On Time
tOFF
Turn-Off Time
VISO
Isolation Voltage
tCM
Common Mode Slew Rate
CONDITIONS
COUT = 1000pF, No Load (N Pkg)
COUT = 1000pF, No Load, VIN = 4.75V (N Pkg)
COUT = 1000pF, No Load (SW Pkg)
COUT = 1000pF, No Load, VIN = 4.75V (SW Pkg)
CIN = 1000pF
RSENSE = 1Ω (LTC1177C-5)
RSENSE = 1Ω (LTC1177I-5)
COUT = 1000pF, No Load (LTC1177C-5)
COUT = 1000pF, No Load (LTC1177I-5)
COUT = 1000pF, No Load
1 Minute (Note 1)
1 Second
VOUT < 1.5, COUT= 1000pF
LTC1177-5
MIN TYP MAX
q 6.5
7.5
10
q 5.5
6.5
10
q 7.0
8.0
10
q 6.0
7.0
10
q
1.0
1.5
q 400
620
800
q 350
620
900
q
1.0
4.0
q
1.0
4.5
q
1.0
1.8
2500
3000
1000
UNITS
V
V
V
V
mA
mA
mA
ms
ms
ms
VRMS
VRMS
V/µs
2
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