sgp100 Fairchild Semiconductor, sgp100 Datasheet - Page 5

• Manufacturer Part Number: sgp100
• Description: Sgp100 Primary-side-control Pwm Controller
• Manufacturer: Fairchild Semiconductor

Primary-side-control PWM Controller
Voltage-Sense Section
Symbol
T
I
* Guaranteed by design.
Current-Sense Section
Symbol
Z
T
T
T
V
D
V
V
* Guaranteed by design.
Voltage Error Amplifier Section
Symbol
V
V
V
S
I
I
V
Current Error Amplifier Section
Symbol
V
I
I
V
© System General Corp.
Version 1.1.1 (IAO33.0042.B1)
TC-25
V-SINK
V-SOURCE
I-SINK
I-SOURCE
RATIO
CS
PD
LEB
MIN-N
SLOPE
TH-VA
TH-FT
VR
N
G
G
V-HIGH
IR
I-HIGH
SAW
Parameter
Proportion of T
Protection*
CV Temperature Compensation Current
Parameter
Filter Resistance
Propagation Delay to GATE Output
Leading-Edge Blanking Time
Minimum On-time at No Load
Slope Compensation*
Duty Cycle of SAW Limiter*
Valley Threshold Voltage for Current Limit
Flat threshold Voltage for Current Limit
Parameter
Reference Voltage
Green-Mode Starting Voltage
Green-Mode Ending Voltage
Green-Mode Frequency Decreasing Rate
Output Sink Current
Output Source Current
Output High Voltage
Parameter
Reference Voltage
Output Sink Current
Output Source Current
Output High Voltage
V
V
TH FT
TH VA
−
−
ON
and T
DIS
40%
for Brownout
DCY
MAX
Test Condition
T
Test Condition
T
Test Condition
F
F
S
V
V
V
Test Condition
V
V
V
ON
MIN-N
S
S
G
VS
VS
VS
CS
CS
CS
=F
=1KHz
=(F
- 5 -
=3V, V
=2V, V
=2.3V
=3V, V
=0.5V, V
=0.5V
/T
OSC
-T
DIS
OSC
PD
-2KHz
-3KHz)/(V
COMV
COMV
COMI
COMI
=2.5V
=2.5V
=2.5V
=2.5V
N
-V
G
)
Min.
825
1075
0.37
35
V
1.2
TH-FT
www.sg.com.tw • www.fairchildsemi.com
Min.
2.475
1.55
25
85
85
4.5
Min.
2.475
40
40
4.5
Min.
9
- 0.4 V
Saw Limiter
Typ.
2
150
1025
1200
0.40
40
1.3
TH-FT
Typ.
2.500
1.70
0.55
35
100
100
Typ.
2.500
60
60
Typ.
1.5
10
- 0.25 V
Product Specification
Max.
200
1225
1350
0.43
45
1.5
TH-FT
September 26, 2007
Max.
2.525
1.85
0.90
45
115
115
Max.
2.525
80
80
Max.
11
- 0.1 V
Unit
kΩ
ns
ns
ns
V
%
V
SGP100
Unit
µA
Unit
V
V
V
µA
µA
V
Unit
V
µA
µA
V
Hz/mV