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SS9175 Datasheet(PDF) 3 Page - Silicon Standard Corp.

Part # SS9175
Description  Dual Synchronous DC/DC Controllers With Current Sharing Circuitry
PDF  12 Pages
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Manufacturer  SSC [Silicon Standard Corp.]
Direct Link  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS9175 Datasheet(HTML) 3 Page - Silicon Standard Corp.

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ELECTRICAL CHARACTERISTICS (VCC=12V, Ta=25°C)
Oscillator Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Fosc-3
Oscillator frequency -3 version
Ta=25°C
270
300
330
KHz
Fosc-6
Oscillator frequency -6 version
Ta=25°C
550
600
650
KHz
Fosc-10
Oscillator frequency -10 version
Ta=25°C
920
1000
1080
KHz
fdv
Frequency change with VCC
VCC=4.5 to 16V
-
0.2
%
fdt
Frequency change with temp.
Ta=0 to 70°C
-
0.02
-
%/°C
DC Max
Maximum duty cycle
85
95
%
Error Amplifier Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vref
Internal reference voltage
Ta=25°C
0.693
0.7
0.707
V
Avol
Open-loop voltage gain
-
45
55
-
dB
BW
Unity gain bandwidth
-
0.7
1.2
-
MHz
PSRR
Power supply rejection ratio
-
50
-
-
dB
Isource
Output source current
mA
Isink
Output sink current
mA
VH COMP
Output voltage
V
VL COMP
Output voltage
mV
Output Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Tr
Rising time
Ta=25°C, CL=10nF
-
20
50
nS
Tf
Falling time
Ta=25°C, CL=10nF
-
20
50
nS
IDH, CH
High side source current
1
A
IDH, DIS
High side sink current
1
A
Total Operating Current Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
ICC OP
Operating supply current
VCC=12V, OUTPUT=1000pF
-
5.0
mA
ICC SBY
Standby current (disabled)
0.5
mA
SS9175/6
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Test Condition
Value
Unit
Vcc
Supply voltage, VCC to GND
Low impedance source
20
V
PGND
PGND to GND
± 0.7
V
VBST
BST to PGND
30
V
RT j-a
Thermal resistance, Junction-air
90
°C/W
TJ
Operating junction temperature
-
-40 to +125
°C
TA
Operating ambient temperature
-
-30 to +85
°C
Tstg
Storage temperature range
-
-65 to +150
°C
ESD Capability, HBM model
2.0
kV
ESD Capability, Machine model
200
V
Symbol
Parameter
Min.
Max.
Unit
VCC
Supply voltage
4.5
16
V
TA
Operating ambient temperature
0
70
°C
Rev.2.02 12/29/2003
PRELIMINARY



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