LTC1045 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC1045 Datasheet PDF : 20 Pages
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LTC1045
ABSOLUTE MAXIMUM RATINGS
(Notes 1, 2)
Total Supply Voltage (V +, VOH to V –, VOL) .............. 18V
Output High Voltage (VOH) ...................................... ≤ V +
Input Voltage ....................................18V to (V – – 0.3V)
Output Short-Circuit Duration
(VOH – VOL ≤ 10V) ................................... Continuous
ESD (MIL-STD-883, Method 3015) .................... 2000V
Operating Temperature Range ................. –40°C to 85°C
Storage Temperature Range ................. – 55°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
VOH 1
IN1 2
IN2 3
IN3 4
IN4 5
IN5 6
IN6 7
VTRIP2 8
VTRIP1 9
V– 10
TOP VIEW
20 V+
19 OUT1
18 OUT2
17 OUT3
16 OUT4
15 OUT5
14 OUT6
13 DISABLE
12 ISET
11 VOL
ORDER PART
NUMBER
LTC1045CN
LTC1045CSW
N PACKAGE SW PACKAGE
20-LEAD PDIP 20-LEAD SO WIDE
TJMAX = 110°C, θJA = 90°C/ W (N)
TJMAX = 110°C, θJA = 90°C/ W (SW)
J PACKAGE
20-LEAD CERDIP
LTC1045CJ
TJMAX = 150°C, θJA = 70°C/ W (J)
OBSOLETE PACKAGE
Consider N Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V + = VOH = 5V, V – = VOL = 0Vunless otherwise specified. (Note 3) .
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
IB
Input Bias Current
Trip Voltage Range (Pins 8, 9)
V – ≤ VIN ≤ V +
±1
nA
q
0.5
µA
q
V–
V+ – 2
V
IS
V + to V – Supply Current
DISABLE = V +, RSET = 10k
2.5
3.5
mA
q
4.5
mA
IOFF
V + to V – Supply Current in Shutdown DISABLE = ISET = V +
10
nA
q
1
µA
VREF Voltage on ISET (Pin 12)
RSET = 10k
0.9
V
q 0.6
1.25
V
VOH
TTL Output High Voltage
VOL
TTL Output Low Voltage
ISINK Output Short-Circuit Sink Current
IOUT = – 360µA, V + = 4.5V
IOUT = 1.6mA, V + = 4.5V
VIN = VTRIP – 100mV, VOUT = V +
q 2.4
4.4
V
q
0.2
0.4
V
7.5
15
mA
q 5.5
mA
ISOURCE Output Short-Circuit Source Current
VIN = VTRIP + 100mV, VOUT = V –
4.0
8.0
mA
q 3.2
mA
IOZ
Three-State Leakage Current
DISABLE = V +, VOL ≤ VOUT ≤ VOH
0.005
µA
q
1
µA
ROH
Output Resistance to VOH
IOUT ≤ 100µA
260 475
Ω
q
600
Ω
ROL
Output Resistance to VOL
ISET Voltage for Shutdown
DISABLE Input Logic Levels
VIH
VIL
Input Supply Differential
(V + – V –) (Note 3)
IOUT ≤ 100µA
V + = 4.5V, V – = 0V
V + = 5.5V, V – = 0V
100 180
Ω
q
250
Ω
q V + – 0.5
V
q 2.0
q
q 4.5
V
0.8
V
15
V
Output Supply Differential
q
3
15
V
(VOH – VOL) (Note 3)
1045fc
2
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