LTC1046CS8 datasheet(2/12 Pages) LINER

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LTC1046

BSOLUTEXI

ORDER PART

NUMBER

ELECTRICAL C

HARA TERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. V+ = 5V, COSC = 0pF, unless otherwise noted.

LTC1046C

LTC1046I/M

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Supply Current

RL = ∞, Pins 1 and 7 No Connection

165

300

165

300

µA

RL = ∞, Pins 1 and 7 No Connection,

µA

V+ = 3V

V+L

Minimum Supply Voltage

RL = 5kΩ

1.5

V+H

Maximum Supply Voltage

RL = 5kΩ

ROUT

Output Resistance

V+ = 5V, IL = 50mA (Note 3)

Ω

V+ = 2V, IL = 10mA

Ω

fOSC

Oscillator Frequency

V+ = 5V (Note 4)

kHz

V+ = 2V

5.5

kHz

PEFF

Power Efficiency

RL = 2.4kΩ

VOUTEFF

Voltage Conversion

RL = ∞

99.9

Efficiency

IOSC

Oscillator Sink or Source

VOSC = 0V or V+

Current

Pin 1 = 0V

4.2

µA

Pin 1 = V+

µA

(Note 1)

Supply Voltage ....................................................... 6.5V

Input Voltage on Pins 1, 6 and 7

(Note 2) ............................ – 0.3 < VIN < (V +) +0.3V

Current into Pin 6 .................................................. 20

µA

Output Short Circuit Duration

(V +

≤ 6V) ...............................................Continuous

Operating Temperature Range

LTC1046C .................................... 0

°C ≤ TA ≤ 70°C

LTC1046I ................................. – 40

°C ≤ TA ≤ 85°C

LTC1046M .................................... – 55

°C to 125°C

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

°C to +150°C

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

°C

PACKAGE/ORDER I FOR ATIO

Note 1: Absolute Maximum Ratings are those values beyond which

the life of the device may be impaired.

Note 2: Connecting any input terminal to voltages greater than V+ or

less than ground may cause destructive latch-up. It is recommended

that no inputs from sources operating from external supplies be

applied prior to power-up of the LTC1046.

Note 3: ROUT is measured at TJ = 25°C immediately after power-on.

Note 4: fOSC is tested with COSC = 100pF to minimize the effects of test

fixture capacitance loading. The 0pF frequency is correlated to this 100pF

test point, and is intended to simulate the capacitance at pin 7 when the

device is plugged into a test socket and no external capacitor is used.

LTC1046CN8

LTC1046CS8

LTC1046IN8

LTC1046IS8

LTC1046MJ8

S8 PART MARKING

1046

1046I

TOP VIEW

V +

OSC

VOUT

BOOST

CAP +

GND

CAP –

J8 PACKAGE

8-LEAD CERDIP

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

TJMAX = 160°C, θJA = 100°C (J8)

TJMAX = 110°C, θJA = 130°C (N8)

TJMAX = 150°C, θJA = 150°C (S8)

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