LT1118CS8-2.5 Ver la hoja de datos (PDF) - Linear Technology

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LT1118CS8-2.5

Low IQ, Low Dropout, 800mA, Source and Sink Regulators Adjustable and Fixed 2.5V, 2.85V, 5V Output

Linear Technology 

LT1118/LT1118-2.5

LT1118-2.85/LT1118-5

ELECTRICAL CHARACTERISTICS

The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

Line Regulation (Note 4)

LT1118

IL = 0mA, 4.2V ≤ VIN ≤ 15V

●

LT1118-2.5

IL = 0mA, 4.2V ≤ VIN ≤ 15V

●

LT1118-2.85

IL = 0mA, 4.75V ≤ VIN ≤ 15V

●

LT1118-5

IL = 0mA, 6.5V ≤ VIN ≤ 15V

●

6

mV

6

mV

6

mV

10

mV

Load Regulation (Note 4)

LT1118

0mA ≤ IL ≤ 800mA

– 400mA ≤ IL ≤ 0mA

●

6

mV

●

6

mV

LT1118-2.5

0mA ≤ IL ≤ 800mA

– 400mA ≤ IL ≤ 0mA

●

12

mV

●

12

mV

LT1118-2.85

LT1118-5

0mA ≤ IL ≤ 800mA

– 400mA ≤ IL ≤ 0mA

0mA ≤ IL ≤ 800mA

– 400mA ≤ IL ≤ 0mA

●

12

mV

●

12

mV

●

25

mV

●

25

mV

Dropout Voltage (Note 5)

IL = 100mA

IL = 800mA

0.85 1.1

V

1

1.3

V

FB Pin Bias Current

LT1118

0.35

1

µA

Minimum Output Voltage

LT1118

●

2.1

V

Ripple Rejection

Load Transient Settling Time,

∆V = 1%

Output Short-Circuit Current

ISC+

ISC–

fRIPPLE = 120Hz, VIN – VOUT = 2V

VRIPPLE = 0.5VP-P

0mA ≤ IL ≤ 800mA, CLOAD = 1µF

– 400mA ≤ IL ≤ 0mA, CLOAD = 1µF

VOUT = 0V

VOUT = VIN

60

80

dB

5

µs

5

µs

800 1200

mA

– 700 – 400

mA

Thermal Shutdown Junction Temperature

No Load

170

°C

Enable Turn-On Delay

No Load

50

µs

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: Unless otherwide specified, testing done at VCC = 5V

(LT1118-2.5, LT1118-2.85) or VCC = 7V (LT1118-5). VEN = VCC. Output

CLOAD = 1µF, ILOAD = 0.

Note 3: All operating conditions include the combined effects of load

current, input voltage and temperature over each parameter’s full range.

Note 4: Load and line regulation are tested at a constant junction

temperature by low duty cycle pulse testing.

Note 5: Dropout voltage is defined as the minimum input to output voltage

measured while sourcing the specified current.

1118fc

3

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