TL7660CD datasheet(3/19 Pages) TI

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Electrical Characteristics

TL7660

CMOS VOLTAGE CONVERTER

SCAS794 – JUNE 2006

CC = 5 V, COSC = 0, LV = Open, TA = 25°C (unless otherwise noted) (see Figure 1)

PARAMETER

TEST CONDITIONS

TA(1)

MIN

TYP

MAX

UNIT

°C

110

ICC

Supply current

RL = ∞

–40

°C to 85°C

120

µA

–40

°C to 125°C

135

VCC,LOW

Supply voltage range (low)

RL = 10 kΩ, LV = GND

Full range

1.5

3.5

VCC,HIGH

Supply voltage range (high)

RL = 10 kΩ, LV Open

Full range

°C

IO = 20 mA

–40

°C to 85°C

–40

°C to 125°C

135

ROUT

Output source resistance

Ω

°C

125

VCC = 2 V, IO = 3 mA, LV = GND

–40

°C to 85°C

200

–40

°C to 125°C

250

fOSC

Oscillator frequency

°C

kHz

°C

POWER

Power efficiency

RL = 5 kΩ

–40

°C to 125°C

°C

99.9

VOUT

Voltage conversion efficiency

RL = ∞

–40

°C to 125°C

VCC = 2 V

Ω

ZOSC

Oscillator impedance

°C

VCC = 5 V

100

Ω

(1)

Full range is –40

°C to 85°C for the TL7660C and –40°C to 125°C for the TL7660I.

CC = 3 V, COSC = 0, LV = GND, (unless otherwise noted) (see Figure 1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

°C

ICC

Supply current(1)

RL = ∞

–40

°C to 85°C

µA

–40

°C to 125°C

°C

100

ROUT

Output source resistance

IO = 10 mA

–40

°C to 85°C

110

Ω

–40

°C to 125°C

120

°C

fOSC

Oscillator frequency

COSC = 0

kHz

–40

°C to 125°C

°C

POWER

Power efficiency

RL = 5 kΩ

–40

°C to 125°C

°C

VOUT

Voltage conversion efficiency

RL = ∞

–40

°C to 125°C

(1)

Derate linearly above 50

°C by 5.5 mW/°C.

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