ka5q0740rt Fairchild Semiconductor, ka5q0740rt Datasheet - Page 5

• Manufacturer Part Number: ka5q0740rt
• Description: Ka5q0740rt Fairchild Power Switch Fpstm
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
(Ta=25 C unless otherwise specified)
Note:
1. These parameters is the current flowing in the Control IC.
2. These parameters, although guaranteed, are tested in EDS(wafer test) process.
3. These parameters indicate Inductor Current.
Parameter
SYNC SECTION
Normal Sync High Threshold Voltage
Normal Sync Low Threshold Voltage
Burst Sync High Threshold Voltage
Burst Sync Low Threshold Voltage
BURST MODE SECTION
Burst mode Low Threshold Voltage
Burst mode High Threshold Voltage
Burst mode Enable Feedback Voltage
Burst mode Peak Current Limit
PRIMARY SIDE REGULATION SECTION
Primary Regulation Threshold Voltage
Primary Regulation Transconductance
CURRENT LIMIT(SELF-PROTECTION)SECTION
Peak Current Limit(Note3)
TOTAL DEVICE SECTION
Start Up Current
Operating Supply Current (Note1)
(Continued)
I
I
Symbol
OP(MAX)
OP(MIN)
V
I
I
V
BU_PK
START
V
V
V
V
V
G
V
BURH
BURL
I
I
NSH
BSH
BEN
NSL
BSL
PK
OP
PR
PR
Vcc = 16V, Vfb = 5V
Vcc = 16V, Vfb = 5V
Vcc = 10.5V, Vfb = 0V
Vcc = 10.5V, Vfb = 0V
Vfb = 0V
Vfb = 0V
Vcc = 10.5V
Vcc = 10.5V
Ifb = 700uA, Vfb = 4V
Vfb = GND, V
Vfb = GND, V
Vfb = GND, V
Vfb = GND, V
Condition
-
-
CC
CC
CC
CC
= 14V
= 16V
= 10V
= 28V
Min. Typ. Max.
10.4
11.4
0.65 0.85
32.0 32.5 33.0
4.0
2.3
3.2
1.1
0.7
2.0
4.4
-
-
12.0 12.6
11.0
4.6
2.6
3.6
1.3
1.0
2.6
5.0
0.1
10
11.6
5.2
2.9
4.0
1.5
1.3
1.1
5.6
0.2
18
-
KA5Q0740RT
mA/V
Unit
mA
mA
V
V
V
V
V
V
V
A
V
A
5