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SS6642G Datasheet(PDF) 5 Page - Silicon Standard Corp.

Part # SS6642G
Description  3-Pin Simple Step-Up DC/DC Converter
PDF  22 Pages
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Manufacturer  SSC [Silicon Standard Corp.]
Direct Link  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6642G Datasheet(HTML) 5 Page - Silicon Standard Corp.

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SS6642G
1/15/2005 Rev.2.10
ELECTRICAL CHARACTERISTICS
(Continued)
PARAMETER
TEST CONDITIONS
TEST
CKT
SYMBOL
MIN.
TYP.
MAX.
UNIT
SW Switch-On Resis-
tance
SS6642-27G
SS6642-30G
SS6642-33G
SS6642-37G
SS6642-45G
SS6642-50G
VS=VOUT x 0.95,
VSW=0.4V
2
RON
2.2
2.1
2.0
2.0
1.9
1.9
Ω
Oscillator Duty Cycle
VS=VOUT x 0.95
Measurement of the SW
pin waveform
3
DUTY
65
75
85
%
Max. Oscillator Freq.
VS=VOUT x 0.95
Measurement of the SW
pin waveform
3
FOSC
80
105
130
KHz
Efficiency
1
η
85
%
Note 1: Specifications are production tested at TA=25°C. Specifications over the -40°C to 85°C operating
temperature range are assured by design, characterization and correlation with Statistical Quality
Controls (SQC).
TYPICAL PERFORMANCE CHARACTERISTICS
Test circuit refer to typical application circuit
Capacitor (C2) : 47
µ F (Tantalum Type)
Diode
(D1) : 1N5819 Schottky Type
Fig. 4 SS6642-27 Load Regulation (L=100
µH CD54)
0
20
40
60
80
100
120
140
160
180
2.2
2.3
2.4
2.5
2.6
2.7
2.8
VIN=2.0V
VIN=1.8V
VIN=1.5V
VIN=1.2V
VIN=0.9V
Output Current (mA)
Fig. 5 SS6642-27 Efficiency (L=100
µH CD54)
0
20
40
60
80
100
120
140
160
180
55
60
65
70
75
80
85
VIN=2.0V
VIN=1.8V
VIN=1.5V
VIN=1.2V
VIN=0.9V
Output current (mA)



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