LT1781IS 查看數據表（PDF） - Linear Technology
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LT1781IS Datasheet PDF : 12 Pages
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LT1780/LT1781
ABSOLUTE AXI U RATI GS (Note 1)
Supply Voltage (VCC) ................................................ 6V
V+ ........................................................................ 13.2V
V– ...................................................................... –13.2V
Input Voltage
Driver ........................................................... V– to V +
Receiver ............................................... – 30V to 30V
ON/OFF ................................................. – 0.3V to 12V
Output Voltage
Driver ...................................... V+ – 30V to V – + 30V
Receiver .................................... – 0.3V to VCC + 0.3V
Short-Circuit Duration
V+ ................................................................... 30 sec
V– ................................................................... 30 sec
Driver Output .............................................. Indefinite
Receiver Output .......................................... Indefinite
Operating Temperature Range ..................... 0°C to 70°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
NC 1
C1+ 2
V+ 3
C1– 4
C2+ 5
C2– 6
V– 7
TR2 OUT 8
REC2 IN 9
TOP VIEW
18 ON/OFF
17 VCC
16 GND
15 TR1 OUT
14 REC1 IN
13 REC1 OUT
12 TR1 IN
11 TR2 IN
10 REC2 OUT
ORDER
PART
NUMBER
LT1780CN
LT1780CSW
N PACKAGE
SW PACKAGE
18-LEAD PLASTIC DIP 18-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 80°C/ W, θJC = 36°C/W (N)
TJMAX = 125°C, θJA = 90°C/ W, θJC = 26°C/W (SW)
Consult factory for Industrial and Military grade parts.
C1+ 1
V+ 2
C1– 3
C2+ 4
C2– 5
V– 6
TR2 OUT 7
REC2 IN 8
TOP VIEW
16 VCC
15 GND
14 TR1 OUT
13 REC1 IN
12 REC1 OUT
11 TR1 IN
10 TR2 IN
9 REC2 OUT
N PACKAGE
S PACKAGE
SW PACKAGE
16-LEAD PLASTIC DIP 16-LEAD PLASTIC SO 16-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 90°C/ W, θJC = 46°C/W (N)
TJMAX = 125°C, θJA = 95°C/ W, θJC = 34°C/W (S)
TJMAX = 125°C, θJA = 95°C/ W, θJC = 27°C/W (SW)
ORDER
PART
NUMBER
LT1781CN
LT1781CS
LT1781CSW
ELECTRICAL CHARACTERISTICS (Note 2)
PARAMETER
Power Supply Generator
V + Output
V – Output
Supply Current (VCC)
CONDITIONS
(Note 3), TA = 25°C
Supply Current When OFF (VCC)
Supply Rise Time
SHUTDOWN to Turn-On
ON/OFF Pin Thresholds
ON/OFF Pin Current
Oscillator Frequency
Driver
Output Voltage Swing
SHUTDOWN (Note 4) LT1780 Only
C1 = C2 = C3 = C4 = 0.1µF
LT1780 Only
Input Low Level (Device SHUTDOWN)
Input High Level (Device Enabled)
0V ≤ VON/OFF ≤ 5V
Load = 3k to GND
Logic Input Voltage Level
Input Low Level (VOUT = High)
Input High Level (VOUT = Low)
Positive
Negative
MIN TYP MAX
7.9
–7
8
10
q
14
q
1
10
0.2
0.2
q 0.8
1.2
q
1.6
2.4
q – 15
80
130
q 5.0
7.5
q
– 6.3 – 5
q
1.4
0.8
q 2.0
1.4
UNITS
V
V
mA
mA
µA
ms
ms
V
V
µA
kHz
V
V
V
V
2
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