SC600
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Freq. = 262kHz or 650kHz(2); Versions A & C
Freq. = 262kHz or 650kHz(2); Versions B & D
Freq. = 8kHz; Versions A & C
60
120
5
mA
Output Current
IOUT
Freq. = 8kHz; Versions B & D
10
20
40
Freq. = 32kHz; Versions A & C
Freq. = 32kHz; Versions B & D
Enable = 1, CD4 = 0, CX8 = 0
Enable = 1, CD4 = 1, CX8 = 0
Enable = 1, CD4 = 0, CX8 = 1
Enable = 1, CD4 = 1, CX8 = 1
-15% 32.768 +15%
-15% 8.192 +15%
-13% 262.14 +15%
Pump Frequency
fPUMP
kHz
-20%
650
1
+20%
Frequency Mode
Transition Time
Transition time from one frequency
mode to any other frequency mode(3)
TFMT
Period
Short Circuit Current
Input High Threshold
Input Low Threshold
Input High Current
Input Low Current
ISC
VIH
VIL
IIH
VOUT = 0V, IOUT = IIN
All Input Pins (Enable, CD4, CX8)
All Input Pins (Enable, CD4, CX8)
All Input Pins (Enable, CD4, CX8)
All Input Pins (Enable, CD4, CX8)
1.5x to 2x mode, Versions A & B
2x to 1.5x mode, Versions A & B
Hysteresis
180
600
mA
V
1.3
0.4
10
V
μA
μA
V
IIL
10
3.43
3.48
30
3.50
3.58
80
3.56
3.64
180
3.36
3.46
180
VIN
V
mV
V
Mode Transition
Voltage
1.5x to 2x mode, Versions C & D
2x to 1.5x mode, Versions C & D
Hysteresis
3.23
3.33
40
3.30
3.40
100
92
VIN
V
mV
%
VIN = 3.60V, VOUT = 5.0V, IOUT = 60mA
Power Efficiency
from Battery to
Regulated Charge
Pump Output@262kHz
η
VIN = 3.60V, VOUT = 4.5V, IOUT = 120mA
Freq = 262kHz, IOUT = 60mA(2), (3)
83
25
%
Output Ripple
Voltage
VPP
45
mV
Notes:
1) Version C has an extended input voltage range of operation at VIN = 2.60V to 5.5V.
2) 650kHz allows the use of a smaller bucket capacitor.
3) Guaranteed by design.
4) Peak-to-peak output ripple voltage with COUT = CBUCKET =1μF and X5R dielectric.
© 2006 Semtech Corp.
3
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SEMTECH [ SEMTECH CORPORATION ]
