FAN8060 Fairchild Semiconductor, FAN8060 Datasheet - Page 4

• Manufacturer Part Number: FAN8060
• Description: The FAN8060 is a highly efficient, monolithic, currentmode, step-down synchronous regulator
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN8060 • Rev. 1.0.0
Electrical Characteristics
V
Basic Operation
Protections
Note:
4.
Symbol
V
R
R
IN
UVLOHYS
V
V
ONNMOS
ONPMOS
=5.0V, V
V
f
t
V
V
T
T
f
I
G
SYNC
SYNC
I
V
I
UVLO
OSC
SYNC
AMP
I
I
I
LIM
OTP
HYS
Guaranteed by design and characterization; not production tested.
SD
ENH
REF
ENL
FB
SS
Q
CS
IN
OUT
V
Quiescent Current
Shutdown Current
V
V
Enable High Input Voltage
Enable Low Input Voltage
PMOS On Resistance
NMOS On Resistance
P-Channel Current Limit
V
Oscillator Frequency
SYNC Threshold
Synchronization Frequency
Minimum SYNC Pulse Width
Error Amplifier
Current Sense Gain
Reference Voltage for Temperature
Co-efficient, see Figure 12
FB Bias Current
Soft-Start Current
Over-Temperature Threshold
Over-Temperature Hysteresis
IN
IN
IN
FB
=2.5 V, C
=0.7V, V
Operating Voltage
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
IN
OUT
Parameter
=5V, 100% Duty Cycle
=10µF, C
(4)
(4)
(4)
IN
=10µF, over operating range, unless otherwise noted.
(4)
AVIN=PVIN
V
V
Rising V
V
V
V
V
V
V
T
Rising Edge
V
V
Sink/Source Current
G
A
Measured at FB Pin
T
T
A
A
A
EN
EN
IN
IN
IN
IN
SYNC
SYNC
SYNC
SYNC
VEA
EA
=25°C
=25°C
=25°C
=5V
=3.3V
=5V
=3.3V
=5 V, V
=0V
(4)
Conditions
(4)
4
=0V
=V
=Square Wave
On Time
IN
IN
SS
=0V
1.105
1.181
Min.
-0.10
2.10
0.80
-4.8
250
500
700
2.5
30
1.205
Typ.
V
1000
-0.06
+165
0.34
2.19
1.70
1.22
1.21
371
200
300
200
300
100
550
-4.5
+20
1.2
0.6
70
45
IN
3
/2
Max.
1.229
2000
1400
0.60
2.25
2.00
1.35
500
-4.3
5.5
60
0
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Units
µA/V
MHz
KHz
mV
mΩ
mΩ
V/V
A/V
µA
µA
µA
µA
µA
°C
ns
°C
V
V
V
V
A
V
V