FAN5099 Fairchild Semiconductor, FAN5099 Datasheet - Page 6

• Manufacturer Part Number: FAN5099
• Description: PWM and ULDO Controller Combo
• Manufacturer: Fairchild Semiconductor

FAN5099 Rev. 1.0.1
© 2006 Fairchild Semiconductor Corporation
Electrical Characteristics
Unless otherwise noted, V
The ‘
Notes:
4. All limits at operating temperature extremes are guaranteed by design, characterization, and statistical quality control.
5. AC specifications guaranteed by design/characterization (not production tested).
6. For a case when V
7. Test Conditions: V
Protection/Disable
Symbol
V
V
Supply Current
LDO
I
LDO_DO
LDOREF
SWPD
V
V
I
current to keep voltage on V
LIM
•
UV
OV
(7)
’ denotes that the specifications apply to the full ambient operating temperature range. See Notes 4 and 5.
ILIMIT Source Current
SW Pull-down Current
Under-Voltage Threshold
Over-Voltage Threshold
Thermal Shutdown
Enable Threshold Voltage
Enable Threshold Voltage
Enable Source Current
Enable Sink Current
Reference Voltage
(measured at FBLDO pin)
Regulation
Dropout Voltage
External Gate Drive
Gate Drive Source Current
Gate Drive Sink Current
LDO_IN
Parameter
CC
is higher than the typical 5V V
= 1.5V and V
CC
CC
= 5V, T
pin constant.
A
LDO_OUT
(Continued)
= 25°C, using circuit in Figure 1.
SW = 1V, EN = 0V
As % of set point;
2μS noise filter
As % of set point;
2μS noise filter
Enable Condition
Disable Condition
V
V
(overload, short-circuit,
over-voltage, under-voltage)
T
T
0A ≤ I
I
V
V
LOAD
A
A
CC
CC
CC
CC
= 0°C to 70°C
= -40°C to 85°C
= 4.75V
= 5.6V
= 5V
= 5V and fault conditions
= 1.2V.
LOAD
≤ 5A and R
Conditions
CC;
≤ 5A
voltage observed at V
DS-ON
6
< 50mΩ
CC
•
•
•
•
•
•
•
•
•
pin when the internal shunt regulator is sinking
Min.
1.17
110
775
770
2.0
65
9
–
–
–
–
–
–
–
–
–
–
Typ.
400
115
160
800
800
1.2
1.2
10
75
50
10
2
–
–
–
–
–
Max.
1.23
120
825
830
0.8
0.3
4.5
5.3
11
80
–
–
–
–
–
–
–
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Unit
mA
mV
mV
mA
μA
μA
μA
μA
°C
%
%
V
V
V
V
V
V