FAN5069 Fairchild Semiconductor, FAN5069 Datasheet - Page 6
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FAN5069
Manufacturer Part Number
FAN5069
Description
The FAN5069 combines a high efficiency Pulse-Width-Modulated PWM controller and a LDO (Low DropOut) linear regulator controller
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN5069.pdf
(22 pages)
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FAN5069 Rev. 1.1.5
© 2005 Fairchild Semiconductor Corporation
Electrical Characteristics
Unless otherwise noted, V
The ‘•’ denotes that the specifications apply to the full ambient operating temperature range. See Notes 4 and 5.
Notes:
4.
5.
6.
7.
Protection/Disable
LDO
Symbol
V
V
I
LDO_DO
LDOREF
SWPD
TSD
V
V
I
LIM
All limits at operating temperature extremes are guaranteed by design, characterization, and statistical quality
control.
AC specifications guaranteed by design/characterization (not production tested).
For a case when V
regulator is sinking current to keep voltage on VCC pin constant.
Test Conditions: V
UV
OV
(7)
ILIMIT Source Current
SW Pull-down Current
Under-Voltage Threshold
Over-Voltage Threshold
Thermal Shutdown
Enable Threshold Voltage
Enable Threshold Voltage
Enable Source Current
Regulation
Drop out Voltage
External Gate Drive
Gate Drive Source Current
Gate Drive Sink Current
Reference Voltage (mea-
sured at FBLDO pin)
Parameter
LDO_IN
CC
CC
is higher than the typical 5V V
= 5V, T
= 1.5V and V
A
(Continued)
= 25°C, using circuit in Figure 1.
SW = 1V, EN = 0V
As % of set point; 2μS noise fil-
ter
As % of set point; 2μS noise fil-
ter
Enable Condition
Disable Condition
V
T
T
0A ≤ I
I
V
V
LOAD
A
A
CC
CC
CC
= 0°C to 70°C
= -40°C to 85°C
LDO_OUT
= 4.75V
= 5.6V
= 5V
LOAD
≤ 5A and R
Conditions
≤ 5A
= 1.2V
DS-ON
6
CC;
voltage observed at VCC pin when the internal shunt
< 50mΩ
•
•
•
•
•
•
•
•
•
Min.
1.17
770
110
775
2.0
65
9
Typ.
800
400
115
160
800
1.2
1.2
10
75
50
2
Max.
1.23
120
825
830
0.8
0.3
4.5
5.3
11
80
www.fairchildsemi.com
Unit
mA
mV
mV
mA
μA
μA
μA
°C
%
%
V
V
V
V
V
V