SC1462ISKTRT Semtech, SC1462ISKTRT Datasheet - Page 3

• Manufacturer Part Number: SC1462ISKTRT
• Description: IC CHARGE PUMP DOUBLER SOT-23-6
• Manufacturer: Semtech
• Type: Switched Capacitor (Charge Pump), Doublerr

Specifications of SC1462ISKTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 12V
• Current - Output: 80mA
• Frequency - Switching: 160kHz
• Voltage - Input: 1.65 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC1462ISKTR

Notes:
1) The internal switch resistance, the capacitor ESR and the oscillator’s switching frequency all contribute to R
See the CAPACITOR SELECTION section on Page 6 for information on applying the R
2) The parameter R
on applying the R
3) All electrical characteristics are for the Typical Application Circuit on Page 1.
4) Guaranteed by design.
5) Soft start functionality is performed along with short circuit protection. If V
and V
POWER MANAGEMENT
Electrical Characteristics (Cont.)
© 2005 Semtech Corp.
Parameter
Short Circuit Current
Output Ripple (pk-pk)
Power Effi ciency
Maximum Output Voltage
Time to Regulation at
Turn-On
Input High Threshold
Input Low Threshold
Over-Temperature Protection
Over-Temperature Hystereis
OUT
is charged with a 200mA current source from V
(5)
SW
SW
specifi cation. The parameter was calculated from actual output resistance and the equation on Page 6 for R
(3)
is equal to the total resistance of all 4 internal switches. See the CAPACITOR SELECTION section for information
(3)(4)
(4)
(4)
(4)
NOT RECOMMENDED FOR NEW DESIGN
Symbol
V
T
V
t
V
I
V
η
SC
OUT
ON
OT
IN
R
IL
IN
. When V
SHDN pin, 2.5V ≤ V
SHDN pin, 2.5V ≤ V
I
OUT
I
I
OUT
OUT
OUT
= 0 to 60mA, V
= 45mA, V
= 45mA, V
reaches V
3
Conditions
Hysteresis
I
V
OUT
OUT
= 0mA
OUT
= 0V
IN
is less than V
- 200mV all switches are enabled.
IN
IN
OUT
= 2.5V
= 2.5V
IN
IN
IN
specifi cation.
= 3.6V
≤ 5.5V
≤ 5.5V
IN
- 200mV, then all switches are turned off
Min
1.6
86
OUT
.
Typ
200
500
140
75
20
www.semtech.com
SC1462
2×V
Max
0.4
OUT
IN
.
Units
mV
mA
°C
°C
μs
%
V
V
V