SC600C Просмотр технического описания (PDF) - Semtech Corporation
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SC600C Datasheet PDF : 19 Pages
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SC600
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Symbol
Output Current
IOUT
Pump Frequency
fPUMP
Frequency Mode
Transition Time
TFMT
Short Circuit Current
ISC
Input High Threshold
VIH
Input Low Threshold
VIL
Input High Current
IIH
Input Low Current
IIL
VIN
Mode Transition
Voltage
VIN
Power Efficiency
from Battery to
Regulated Charge
η
Pump Output@262kHz
Output Ripple
Voltage
VPP
Conditions
Freq. = 262kHz or 650kHz(2); Versions A & C
Freq. = 262kHz or 650kHz(2); Versions B & D
Freq. = 8kHz; Versions A & C
Freq. = 8kHz; Versions B & D
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
Transition time from one frequency
mode to any other frequency mode(3)
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
1.5x to 2x mode, Versions C & D
2x to 1.5x mode, Versions C & D
Hysteresis
VIN = 3.60V, VOUT = 5.0V, IOUT = 60mA
VIN = 3.60V, VOUT = 4.5V, IOUT = 120mA
Freq = 262kHz, IOUT = 60mA(2), (3)
Min Typ Max
-15%
-15%
-13%
-20%
32.768
8.192
262.14
650
60
120
5
10
20
40
+15%
+15%
+15%
+20%
Units
mA
kHz
1
Period
180 600
mA
1.3
V
0.4
V
10
μA
10
μA
3.43 3.50 3.56
V
3.48 3.58 3.64
V
30
80
180
mV
3.23 3.30 3.36
V
3.33 3.40 3.46
V
40
100 180
mV
92
%
83
%
25
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.
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