NCP1729SN35T1 datasheet(2/22 Pages) ONSEMI

Part #	NCP1729SN35T1

Description	Switched Capacitor Voltage Inverter

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NCP1729

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MAXIMUM RATINGS*

Rating

Symbol

Value

Unit

Input Voltage Range (Vin to GND)

Vin

−0.3 to 6.0

V

Output Voltage Range (Vout to GND)

Vout

−6.0 to 0.3

V

Output Current

Iout

100

mA

Output Short Circuit Duration (Vout to GND)

tSC

Indefinite

sec

Operating Junction Temperature

TJ

150

°C

Power Dissipation and Thermal Characteristics

Thermal Resistance, Junction−to−Air

Maximum Power Dissipation @ TA = 70°C

RqJA

PD

256

313

°C/W

mW

Storage Temperature

Tstg

−55 to 150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

*ESD Ratings

ESD Machine Model Protection up to 200 V, Class B

ESD Human Body Model Protection up to 2000 V, Class 2

ELECTRICAL CHARACTERISTICS (Vin = 5.0 V, C1 = 3.3 mF, C2 = 3.3 mF, TA = −40°C to 85°C, typical values shown are for

TA = 25°C unless otherwise noted. See Figure 14 for Test Setup.)

Characteristic

Symbol

Min

Typ

Max

Unit

Operating Supply Voltage Range (SHDN = Vin, RL = 10 k)

Vin

1.5 to 5.5

1.15 to 6.0

−

V

Supply Current Device Operating (SHDN = 5.0 V, RL = R)

TA = 25°C

TA = 85°C

Iin

−

122

128

200

mA

Supply Current Device Shutdown (SHDN = 0 V)

TA = 25°C

TA = 85°C

ISHDN

−

0.4

1.7

−

mA

Oscillator Frequency

TA = 25°C

TA = −40°C to 85°C

fOSC

24.5

19

33.5

−

45.6

54

kHz

Output Resistance (Iout = 25 mA, Note 1)

Rout

−

26

50

W

Voltage Conversion Efficiency (RL = R)

VEFF

99

99.9

−

%

Power Conversion Efficiency (RL = 1.0 k)

PEFF

−

96

−

%

Shutdown Input Threshold Voltage (Vin = 1.5 V to 5.5 V)

High State, Device Operating

Low State, Device Shutdown

Vth(SHDN)

−

0.6 Vin

0.5 Vin

−

V

Shutdown Input Bias Current

High State, Device Operating, SHDN = 5.0 V

TA = 25°C

TA = 85°C

Low State, Device Shutdown, SHDN = 0 V

TA = 25°C

TA = 85°C

IIH

IIL

−

5.0

100

5.0

100

−

pA

Wake−Up Time from Shutdown (RL = 1.0 k)

tWKUP

−

1.0

−

ms

1. Capacitors C1 and C2 contribution is approximately 20% of the total output resistance.

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