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SS6620 Folha de dados(PDF) 3 Page - Silicon Standard Corp.

Nome de Peças SS6620
Descrição Electrónicos  High Efficiency Synchronous Step-Up DC/DC Converter
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Fabricante Electrônico  SSC [Silicon Standard Corp.]
Página de início  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6620 Folha de dados(HTML) 3 Page - Silicon Standard Corp.

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SS6620/21/2
n ELECTRICAL CHARACTERISTICS (V
BATT=2.0V, VOUT=3.3V (FB=VOUT), RL=
∝,
TA=25
°C, unless otherwise specified.)
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
Minimum Input Voltage
0.7
V
Operating Voltage
1.1
4.0
V
Start-Up Voltage
RL=3K
Ω (Note1)
0.8
1.1
V
Start-Up Voltage Tempco
-2
mV/
°C
Output Voltage Range
1.8
4.0
Output Voltage
FB = VOUT
3.17
3.3
3.43
V
SS6620
SS6622
(CLSEL=OUT)
300
400
Steady State Output Current
(Note 2)
FB=OUT
(
VOUT =3.3V) SS6621
SS6622
(CLSEL=GND)
150
220
mA
Reference Voltage
IREF= 0
1.199
1.23
1.261
V
Reference Voltage Tempco
0.024
mV/
°C
Reference Load Regulation
IREF = 0 to 100
µA
10
30
mV
Reference Line Regulation
VOUT = 1.8V to 4V
5
10
mV/V
FB , LBI Input Threshold
1.199
1.23
1.261
V
Internal Switch On-Resistance
ILX = 100mA
0.3
SS6620,SS6622(CLSEL =
OUT)
0.6
0.8
1.0
LX Switch Current Limit
SS6621,SS6622(CLSEL =
GND)
0.3
0.45
0.6
A
LX Leakage Current
VLX=0V, 4V; VOUT=4V
0.05
1
µA
Operating Current into OUT
(Note 3)
VFB = 1.4V , VOUT = 3.3V
20
35
µA
Shutdown Current into OUT
SHDN = GND
0.1
1
µA
VOUT= 3.3V ,ILOAD = 200mA
90
Efficiency
VOUT = 2V ,ILOAD = 1mA
85
%
LX Switch On-Time
VFB =1V , VOUT = 3.3V
2
4
7
µs
LX Switch Off-Time
VFB =1V , VOUT = 3.3V
0.6
0.9
1.3
µs
FB Input Current
VFB = 1.4V
0.03
50
nA
Rev.2.01 6/06/2003


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