Datasheet LT1185 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Low Dropout Regulator |
| 页数 / 页 | 16 / 2 — ABSOLUTE AXI U RATI GS (Note 1). (OBSOLETE). PACKAGE/ORDER I FOR ATIO. … |
| 文件格式/大小 | PDF / 188 Kb |
| 文件语言 | 英语 |
ABSOLUTE AXI U RATI GS (Note 1). (OBSOLETE). PACKAGE/ORDER I FOR ATIO. OBSOLETE PACKAGE. Order Options
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LT1185
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Voltage .. 35V Operating Junction Temperature Range* Input-Output Differential ... 30V Control Section FB Voltage .. 7V LT1185C ... 0°C to 125°C REF Voltage .. 7V LT1185I .. – 40°C to 125°C Output Voltage .. 30V LT1185M
(OBSOLETE)
... – 55°C to 150°C Output Reverse Voltage .. 2V Power Transistor Section Operating Ambient Temperature Range LT1185C ... 0°C to 150°C LT1185C ... 0°C to 70°C LT1185I .. – 40°C to 150°C LT1185I ... – 40°C to 85°C LT1185M
(OBSOLETE)
... – 55°C to 175°C LT1185M
(OBSOLETE)
.. – 55°C to 125°C Storage Temperature Range .. – 65°C to 150°C Lead Temperature (Soldering, 10 sec).. 300°C *See Application Section for details on calculating Operation Junction Temperature
U W U PACKAGE/ORDER I FOR ATIO
BOTTOM VIEW GND FB FRONT VIEW FRONT VIEW 5 REF 5 REF 1 2 4 VOUT 4 V TAB OUT VIN (CASE) 3 IS 3 VIN 3 VIN 4 VIN 2 FB 2 FB V 1 GND 1 GND OUT REF Q PACKAGE TAB IS V T PACKAGE K PACKAGE IN 5-LEAD PLASTIC DD 5-LEAD PLASTIC TO-220 4-LEAD TO-3 METAL CAN θJC MAX = 2.5°C/W, θJA = 35°C/W TJMAX = 150°C, θJA = 30°C/W θJC MAX = 2.5°C/W, θJA = 50°C/W
OBSOLETE PACKAGE
ORDER PART ORDER PART LT1185CQ ORDER PART LT1185CT LT1185MK NUMBER NUMBER LT1185IQ NUMBER LT1185IT
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the operating temperature range, otherwise specifications are at TA = 25
°
C. Adjustable version, VIN = 7.4V, VOUT = 5V, IOUT = 1mA, RLIM = 4.02k, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Reference Voltage (At FB Pin) 2.37 V Reference Voltage Tolerance (At FB Pin) (Note 2) VIN – VOUT = 5V, VOUT = VREF 0.3 ±1 % 1mA ≤ IOUT ≤ 3A ● 1 ±2.5 % VIN – VOUT = 1.2V to VIN = 30V P ≤ 25W (Note 6), VOUT = 5V TMIN ≤ TJ ≤ TMAX (Note 9) Feedback Pin Bias Current VOUT = VREF ● 0.7 2 µA Droput Voltage (Note 3) IOUT = 0.5A, VOUT = 5V 0.20 0.37 V IOUT = 3A, VOUT = 5V 0.67 1.00 V 1185ff 2
W W W U ABSOLUTE AXI U RATI GS (Note 1)
Input Voltage .. 35V Operating Junction Temperature Range* Input-Output Differential ... 30V Control Section FB Voltage .. 7V LT1185C ... 0°C to 125°C REF Voltage .. 7V LT1185I .. – 40°C to 125°C Output Voltage .. 30V LT1185M
(OBSOLETE)
... – 55°C to 150°C Output Reverse Voltage .. 2V Power Transistor Section Operating Ambient Temperature Range LT1185C ... 0°C to 150°C LT1185C ... 0°C to 70°C LT1185I .. – 40°C to 150°C LT1185I ... – 40°C to 85°C LT1185M
(OBSOLETE)
... – 55°C to 175°C LT1185M
(OBSOLETE)
.. – 55°C to 125°C Storage Temperature Range .. – 65°C to 150°C Lead Temperature (Soldering, 10 sec).. 300°C *See Application Section for details on calculating Operation Junction Temperature
U W U PACKAGE/ORDER I FOR ATIO
BOTTOM VIEW GND FB FRONT VIEW FRONT VIEW 5 REF 5 REF 1 2 4 VOUT 4 V TAB OUT VIN (CASE) 3 IS 3 VIN 3 VIN 4 VIN 2 FB 2 FB V 1 GND 1 GND OUT REF Q PACKAGE TAB IS V T PACKAGE K PACKAGE IN 5-LEAD PLASTIC DD 5-LEAD PLASTIC TO-220 4-LEAD TO-3 METAL CAN θJC MAX = 2.5°C/W, θJA = 35°C/W TJMAX = 150°C, θJA = 30°C/W θJC MAX = 2.5°C/W, θJA = 50°C/W
OBSOLETE PACKAGE
ORDER PART ORDER PART LT1185CQ ORDER PART LT1185CT LT1185MK NUMBER NUMBER LT1185IQ NUMBER LT1185IT
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the operating temperature range, otherwise specifications are at TA = 25
°
C. Adjustable version, VIN = 7.4V, VOUT = 5V, IOUT = 1mA, RLIM = 4.02k, unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
Reference Voltage (At FB Pin) 2.37 V Reference Voltage Tolerance (At FB Pin) (Note 2) VIN – VOUT = 5V, VOUT = VREF 0.3 ±1 % 1mA ≤ IOUT ≤ 3A ● 1 ±2.5 % VIN – VOUT = 1.2V to VIN = 30V P ≤ 25W (Note 6), VOUT = 5V TMIN ≤ TJ ≤ TMAX (Note 9) Feedback Pin Bias Current VOUT = VREF ● 0.7 2 µA Droput Voltage (Note 3) IOUT = 0.5A, VOUT = 5V 0.20 0.37 V IOUT = 3A, VOUT = 5V 0.67 1.00 V 1185ff 2