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LTC1045

1045fc

ORDER PART

NUMBER

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

(Notes 1, 2)

ABSOLUTE MAXIMUM RATINGS

PACKAGE/ORDER INFORMATION

LTC1045CN

LTC1045CSW

TJMAX = 110°C, θJA = 90°C/ W (N)

TJMAX = 110°C, θJA = 90°C/ W (SW)

ELECTRICAL CHARACTERISTICS

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Input Bias Current

V –

≤ VIN ≤ V+

±1nA

0.5

µA

Trip Voltage Range (Pins 8, 9)

V –

V + – 2

V + to V – Supply Current

DISABLE = V +, RSET = 10k

2.5

3.5

4.5

IOFF

V + to V – Supply Current in Shutdown

DISABLE = ISET = V +

µA

VREF

Voltage on ISET (Pin 12)

RSET = 10k

0.9

0.6

1.25

VOH

TTL Output High Voltage

IOUT = – 360µA, V + = 4.5V

2.4

4.4

VOL

TTL Output Low Voltage

IOUT = 1.6mA, V + = 4.5V

0.2

0.4

ISINK

Output Short-Circuit Sink Current

VIN = VTRIP – 100mV, VOUT = V +

7.5

5.5

ISOURCE

Output Short-Circuit Source Current

VIN = VTRIP + 100mV, VOUT = V –

4.0

8.0

3.2

IOZ

Three-State Leakage Current

DISABLE = V +, VOL ≤ VOUT ≤ VOH

0.005

µA

ROH

Output Resistance to VOH

IOUT ≤ 100µA

260

475

Ω

600

Ω

ROL

Output Resistance to VOL

IOUT ≤ 100µA

100

180

Ω

250

Ω

ISET Voltage for Shutdown

V + – 0.5

DISABLE Input Logic Levels

VIH

V + = 4.5V, V – = 0V

2.0

VIL

V + = 5.5V, V – = 0V

0.8

Input Supply Differential

4.5

(V + – V –) (Note 3)

Output Supply Differential

315

(VOH – VOL) (Note 3)

TOP VIEW

N PACKAGE

20-LEAD PDIP

SW PACKAGE

20-LEAD SO WIDE

VOH

IN1

IN2

IN3

IN4

IN5

IN6

VTRIP2

VTRIP1

V–

V+

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

DISABLE

ISET

VOL

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) .

Consult LTC Marketing for parts specified with wider operating temperature ranges.

LTC1045CJ

J PACKAGE

20-LEAD CERDIP

TJMAX = 150°C, θJA = 70°C/ W (J)

OBSOLETE PACKAGE

Consider N Package for Alternate Source

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