FAN4860 Fairchild Semiconductor, FAN4860 Datasheet - Page 4

• Manufacturer Part Number: FAN4860
• Description: The FAN4860 is a low-power boost regulator designed to provide a regulated 5V output from a single cell Li-Ion battery
• Manufacturer: Fairchild Semiconductor

© 2010 Fairchild Semiconductor Corporation
FAN4860 • Rev. 1.1.0
Electrical Specifications
Minimum and maximum values are at V
Figure 1, unless otherwise noted. Typical values are at T
V
Notes:
1.
2.
3.
Symbol
T
I
R
I
UVLO_HYS
LK_RVSR
V
TSD_HYS
LK_OUT
I
V
V
V
V
T
LK_EN
I
DS(ON)
t
I
UVLO
OUT
I
t
OFF
I
ENH
OUT
SW
TSD
ENL
REF
SS
SS
IN
I
Effective capacitance of C
Guaranteed by design and characterization; not tested in production.
Elapsed time from rising EN until regulated V
LOAD
from 0 to I
V
V
V
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
Enable HIGH Voltage
Enable LOW Voltage
Enable Input Leakage Current
5.0 V
3.3 V
Reference Accuracy
Off Time
Maximum Output
Current
SW Peak Current Limit
Soft-Start Input Peak
Current Limit
Soft-Start Time
N-Channel Boost Switch
P-Channel Sync Rectifier
Thermal Shutdown
Thermal Shutdown Hysteresis
IN
OUT
OUT
Input Current
OUT
OUT
Leakage Current
to V
(2)
OUT
Output Voltage Accuracy
Output Voltage Accuracy
IN
Reverse Leakage
; also includes load transient response. V
Parameter
(2)
(3)
OUT
> 1.5μF.
5.0 V
3.3 V
5.0 V
3.3 V
5.0 V
3.3 V
5.0 V
3.3 V
5.0 V
3.3 V
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
=V
EN
(1)
(1)
=2.3V to 4.5V (2.5 to 3.2 V
Quiescent: V
Shutdown: EN=0, V
Quiescent: V
Shutdown: EN=0, V
V
V
V
V
V
V
V
V
Referred to V
Referred to V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
I
OUT.
LOAD
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
=3.6V, V
=2.7V, V
=2.3V
=3.3V
=3.6V
=2.5V
=2.7V
=3.6V, V
=2.7V, V
=3.6V, V
=2.7V, V
=3.6V, I
=2.7V, I
=3.6V
=3.6V
Rising
from 2.3V to 4.5V, I
from 2.7V to 4.5V, I
from 3.3V to 4.5V, I
from 2.5V to 3.2V, I
=0, EN=0, V
=5V, V
=3.3V, V
=10mA
A
=25°C, V
OUT
OUT
IN
OUT
OUT
OUT
OUT
OUT
OUT
Conditions
4
IN
IN
=3.6V, EN=0
IN
OUT
OUT
=200mA
=200mA
=3.6V, I
=2.7V, I
=3V, EN=0
=5V, I
=3.3V, I
>V
>V
OUT
< V
< V
=5V
=3.3V
IN
IN
IN
IN
≥3V
measured from mid-point of output voltage ripple.
=V
IN
IN
IN
IN
OUT
=3.6V
=2.7V
EN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
=3.6V for V
=200mA
IN
=0, EN=V
=0, EN=V
=200mA
≤200mA
≤200mA
≤300mA
≤200mA
for 3.3 V
IN
IN
OUT
OUT
=5V, and V
option), T
4.975
3.280
Min.
1.05
4.80
4.85
4.85
3.17
195
240
200
300
250
300
930
650
A
IN
=-40°C to +85°C; circuit of
5.050
3.330
1100
=V
Typ.
0.01
5.05
5.05
5.05
3.33
190
240
290
400
800
850
700
100
250
300
400
150
0.5
0.5
2.2
37
50
10
30
EN
=2.7V for V
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5.125
3.380
Max.
1320
5.15
5.15
5.15
3.41
265
350
950
300
750
1.5
1.5
2.5
2.3
0.4
45
65
1
OUT
=3.3V.
Units
mV
mA
mA
mA
mΩ
μA
nA
μA
μA
°C
°C
ns
μs
V
V
V
V
V