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SS6620 Fiches technique(PDF) 4 Page - Silicon Standard Corp.

No de pièce SS6620
Description  High Efficiency Synchronous Step-Up DC/DC Converter
Download  12 Pages
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Fabricant  SSC [Silicon Standard Corp.]
Site Internet  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6620 Fiches technique(HTML) 4 Page - Silicon Standard Corp.

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SS6620/21/2
n ELECTRICAL CHARACTERISTICS (Continued)
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
LBI Input Current
VLBI = 1.4V
1
50
nA
CLSEL Input Current
SS6622 , CLSEL = OUT
1.4
3
µA
SHDN Input Current
V SHDN = 0 or VOUT
0.07
50
nA
LBO Low Output Voltage
VLBI = 0, ISINK = 1mA
0.2
0.4
µA
LBO Off Leakage Current
VLBO = 5.5V, VLBI = 5.5V
0.07
1
LBI Hystereisis
50
mV
Damping Switch Resistance
SS6622, VBATT = 2V
50
100
0.2VOUT
SHDN Input Voltage
0.8VOUT
V
0.2VOUT
CLSEL Input Voltage
0.8VOUT
V
Note 1: Start-up voltage operation is guaranteed without the addition of an external Schottky diode between the in-
put and output.
Note 2: Steady-state output current indicates that the device maintains output voltage regulation under load.
Note 3: Device is bootstrapped (power to the IC comes from OUT). This correlates directly with the actual battery
supply.
n TYPICAL PERFORMANCE CHARACTERISTICS
0.01
0.1
1
10
100
1000
0
10
20
30
40
50
60
70
80
90
100
Fig. 1
V
OUT=3.3V
CLSEL=OUT
(0.8A)
VIN=2.4V
VIN=1.2V
Loading (mA)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
20
40
60
80
100
120
140
160
I_limit=0.45A , VOUT=3.3V
Input battery voltage (V)
Fig. 2
No-Load Battery Current vs. Input Battery Voltage
I_limit=0.8A , VOUT=3.3V
Rev.2.01 6/06/2003


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