LT1121HV(RevB) 查看數據表（PDF） - Linear Technology

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LT1121HV
(Rev.:RevB)

Micropower Low Dropout Regulators with Shutdown

Linear Technology 

LT1121/LT1121-3.3/LT1121-5

ABSOLUTE AXI U RATI GS (Note 1)

Input Voltage

LT1121 ............................................................. ±30V

LT1121HV ............................................. +36V, – 30V

Output Pin Reverse Current ................................. 10mA

Adjust Pin Current ............................................... 10mA

Shutdown Pin Input Voltage (Note 2) ........ 6.5V, – 0.6V

Shutdown Pin Input Current (Note 2) .................. 20mA

Output Short-Circuit Duration ......................... Indefinite

Operating Junction Temperature Range (Note 3)

LT1121C-X ........................................... 0°C to 125°C

LT1121I-X ....................................... – 40°C to 125°C

Storage Temperature Range ................. – 65°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300°C

PACKAGE/ORDER I FOR ATIO

OUT 1

TOP VIEW

8 IN

*PIN 2 = NC FOR LT1121-3.3/LT1121-5

= ADJ FOR LT1121

NC/ADJ* 2

GND 3

7 NC**

6 NC**

**PINS 6 AND 7 ARE FLOATING (NO

INTERNAL CONNECTION) ON THE

STANDARD S8 PACKAGE.

NC 4

5 SHDN

PINS 6 AND 7 CONNECTED TO GROUND

ON THE A VERSION OF THE LT1121 (S8 ONLY).

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

TJMAX = 150°C, θJA ≈ 120°C/ W (N8, S8)

TJMAX = 150°C, θJA ≈ 70°C/ W (AS8)

CONNECTING PINS 6 AND 7 TO THE

GROUND PLANE WILL REDUCE THERMAL

RESISTANCE. SEE THERMAL RESISTANCE

TABLES IN THE APPLICATIONS INFORMATION

SECTION.

ORDER PART NUMBER

S8 PART

MARKING

LT1121CN8

LT1121CN8-3.3

LT1121CN8-5

LT1121IN8

LT1121IN8-3.3

LT1121IN8-5

LT1121CS8

LT1121CS8-3.3

LT1121CS8-5

LT1121HVCS8

LT1121IS8

LT1121IS8-3.3

LT1121IS8-5

LT1121HVIS8

LT1121ACS8

LT1121ACS8-3.3

LT1121ACS8-5

LT1121AHVCS8

LT1121AIS8

LT1121AIS8-3.3

LT1121AIS8-5

LT1121AHVIS8

1121 1121A

11213 121A3

11215 121A5

1121H 121AH

1121I 121AI

121I3 121AI3

121I5 121AI5

121IH 121AIH

Consult factory for Military grade parts.

FRONT VIEW

3 OUTPUT

TAB IS

GND

2 GND

1 VIN

ST PACKAGE

3-LEAD PLASTIC SOT-223

TJMAX = 150°C, θJA ≈ 50°C/ W

ORDER PART

NUMBER

LT1121CST-3.3

LT1121IST-3.3

LT1121CST-5

LT1121IST-5

BOTTOM VIEW

IN GND OUT

Z PACKAGE

3-LEAD PLASTIC TO-92

TJMAX = 150°C, θJA ≈ 150°C/ W

ORDER PART

NUMBER

LT1121CZ-3.3

LT1121IZ-3.3

LT1121CZ-5

LT1121IZ-5

2

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