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LTC1470/LTC1471

14701fa

ABSOLUTE MAXIMUM RATINGS

3.3V Supply Voltage (3VIN) (Note 2)........................ 7V

5V Supply Voltage (5VIN) (Note 2)............................ 7V

Enable Input Voltage ..................... 5VIN to (GND – 0.3V)

Output Voltage (OFF) (Note 2) ......... 7V to (GND – 0.3V)

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

Operating Temperature

LTC1470C .............................................. 0

°C to 70°C

LTC1470E (Note 7) ............................. –40

°C to 85°C

Junction Temperature .......................................... 100

°C

Storage Temperature Range ................ – 65

°C to 150°C

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

°C

PACKAGE/ORDER INFORMATION

ORDER PART

NUMBER

LTC1471CS

1470

1470E

S8 PART MARKING

ORDER PART

NUMBER

TJMAX = 100°C, θJA = 100°C/W

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

3VIN

3.3V Supply Voltage Range

2.70

3.60

5VIN

5V Supply Voltage Range

4.75

5.25

I3VIN

3.3V Supply Current

Program to Hi-Z (Note 4)

●

0.01

µA

Program to 3.3V, No Load (Note 4)

●

µA

Program to 5V, No Load (Note 4)

●

0.01

µA

I5VIN

5V Supply Current

Program to Hi-Z (Note 4)

●

0.01

µA

Program to 3.3V (Note 4)

●

100

160

µA

Program to 5V (Note 4)

●

140

200

µA

RON

3.3V Switch ON Resistance

Program to 3.3V, IOUT = 500mA

0.12

0.16

Ω

5V Switch ON Resistance

Program to 5V, IOUT = 500mA

0.14

0.18

Ω

ILKG

Output Leakage Current OFF

Program to Hi-Z, 0V

≤ VOUT ≤ 5V (Note 4)

●

±10

µA

ILIM3V

3.3V Current Limit

Program to 3.3V, VOUT = 0V (Note 5)

ILIM5V

5V Current Limit

Program to 5V, VOUT = 0V (Note 5)

VENH

Enable Input High Voltage

●

2.0

VENL

Enable Input Low Voltage

●

0.8

IEN

Enable Input Current

≤ VEN ≤ 5V

±1

µA

ELECTRICAL CHARACTERISTICS

LTC1470CS8

LTC1470ES8

TJMAX = 100°C, θJA = 150°C/W

TOP VIEW

OUT

3VIN

GND

OUT

5VIN

EN1

EN0

S8 PACKAGE

8-LEAD PLASTIC SO

TOP VIEW

S PACKAGE

16-LEAD PLASTIC SO

AOUT

A5VIN

AEN1

AEN0

GND

B3VIN

BOUT

AOUT

A3VIN

GND

BEN0

BEN1

B5VIN

BOUT

The

● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. 3VIN = 3.3V, 5VIN = 5V (Note 3), unless otherwise noted.

(Note 1)

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

LTC1471 Datasheet(PDF) 2 Page - Linear Technology

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