sc1631cs Semtech Corporation, sc1631cs Datasheet - Page 2

• Manufacturer Part Number: sc1631cs
• Description: Low Voltage Step-up Dc-dc Converter
• Manufacturer: Semtech Corporation

January 29, 1998
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, T
© 1997 SEMTECH CORP.
Parameter
Input Voltage
Output Voltage
SC1631
SC1631-3
SC1631-5
Switch Off Current
No Load Current
SC1631/SC1631-3
SC1631-5
Shutdown Mode Current
Recovery Time from Shutdown
Efficiency
SC1631/SC1631-3
SC1631-5
Line Regulation
SC1631
SC1631-3
SC1631-5
Load Regulation
SC1631/SC1631-3
SC1631-5
Oscillator Frequency
LBI Pin Trip Point
LBO “On Resistance”
SW “On Resistance”
SC1631/SC1631-3
SC1631-5
SW Off Leakage
Input Pin Bias Current
Output Pin Leakage
A
= 25°C, V
V
V
V
IN
IN
IN
V
=1.8 - 3.3V
=1.8 - 3.0V
=2.2 - 3.3V
V
IN
IN
IN
=2.5V
V
= 3.0V
= 2V
IN
LOW VOLTAGE STEP-UP
DC-DC CONVERTER
Test Conditions
I
L
=10mA - 300mA
I
L
I
I
I
L
L
L
= 200mA
=200mA
=200mA
=100mA
652 MITCHELL ROAD NEWBURY PARK CA 91320
I
L
3.16
2.88
4.80
1.17
Min
1.5
90
Test Limits
3.30
3.00
5.00
1.22
Typ
105
160
180
120
0.4
0.6
0.5
0.8
0.3
0.8
0.5
0.4
87
90
45
7
Max
3.44
3.12
5.20
1.27
140
150
7.0
15
10
10
1
SC1631
nA/Pin
nA/Pin
%V
%V
Units
kHz
ms
µA
µA
µA
µA
%
V
V
V
OUT
OUT