SC1462

© 2000 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

HIGH OUTPUT CURRENT

CHARGE PUMP DOUBLER

October 20, 2000

2

TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Maximum

Units

Supply Voltage

VIN

-0.3 to +6.0

V

Output Voltage

VO

-0.3 to +12

V

V

SC

Indefinite

Thermal Resistance

Junction to Ambient

θ

JA

230

°C/W

Operating Ambient

Temperature Range

T

A

-40 to +85

°C

Junction Temperature Range

T

J

-40 to +125

°C

Storage Temperature Range

T

STG

-65 to +150

°C

Lead Temperature

(Soldering) 10 seconds

T

L

300

°C

ELECTRICAL CHARACTERISTICS

Unless specified: T

Parameter

Symbol

Conditions

MIN

TYP

MAX

Units

Input Supply Voltage

V

IN

1.65

5.5

V

Input Supply Current

I

IN

I

140

260

µA

I

200

400

µA

SHDN = V

IN

0.1

1

µA

Output Resistance

(5)

R

out

V

9.5

13.5

Ω

Output Resistance

(5)

R

out

V

7.5

10.5

Ω

Total Switch Resistance

(6)

R

SW

V

3

4.5

Ω

Total Switch Resistance

(6)

R

SW

V

2

3

Ω

Output Current

I

O

V

80

mA

V

80

mA

Oscillator Frequency

OSC

1.65V

IN

100

160

200

KHz

Short Circuit Current

I

SC

V

200

mA

Output Ripple (pk-pk)

(1)(3)

V

R

I

Frequency = 160kHz

75

mV

Power Efficiency

(1)

η

I

freq = 160kHz

86

%