sc1464cms.tr Semtech Corporation, sc1464cms.tr Datasheet - Page 4

• Manufacturer Part Number: sc1464cms.tr
• Description: 60ma Programmable Fixed Frequency Charge Pump Doubler
• Manufacturer: Semtech Corporation

PRELIMINARY - August 11, 2000
BLOCK DIAGRAM
PIN CONFIGURATION
PIN DESCRIPTION
© 2000 SEMTECH CORP.
Pin#
1
2
3
4
5
6
7
8
Pin Name
GND
TF1
TF2
VIN
VO
EN
C+
C-
Shut Down
Thermal
Enable. Pull EN low to reduce the current on VIN to less than 1µA.
This pin should be connected to the positive terminal of the external charging capacitor.
This pin should be connected to the negative terminal of the external charging capacitor.
Supply voltage input.
Ground.
Pin Function
Binary frequency select pins. The frequency is set according to the following table.
Voltage output
(MSOP-8)
Top View
TF2
60mA PROGRAMMABLE FIXED
FREQUENCY CHARGE PUMP DOUBLER
0
1
32kHz 260kHz
8kHz
0
TF1
652 MITCHELL ROAD NEWBURY PARK CA 91320
1MHz
1
SC1464
4