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FAN48630UC45X Folha de dados(PDF) 5 Page - Fairchild Semiconductor

Nome de Peças FAN48630UC45X
Descrição Electrónicos  2.5 MHz, 1500 mA, Synchronous TinyBoost??Regulator with Bypass Mode
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN48630UC45X Folha de dados(HTML) 5 Page - Fairchild Semiconductor

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© 2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN48630 • Rev. 1.0.1
5
Electrical Specifications
Recommended operating conditions, unless otherwise noted, circuit per Figure 1, VIN = 2.35 V to VOUT, TA = -40˚C to 85˚C.
Typical values are given VIN = 3.0 V and TA = 25˚C.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
IQ
VIN Quiescent Current
Bypass Mode VOUT=3.5 V, VIN=4.2 V
140
190
A
Boost Mode VOUT=3.5 V, VIN=2.5 V
150
250
A
Shutdown: EN=0, VIN=3.0 V
1.5
5.0
A
Forced Bypass Mode
VOUT=3.5 V, VIN=3.5 V
Low IQ
4
10
A
OCP On
45
90
A
ILK
VOUT to VIN Reverse Leakage
VOUT=5 V, EN=0
0.2
1.0
A
ILK_OUT
VOUT Leakage Current
VOUT=0, EN=0, VIN=4.2 V
0.1
1.0
A
VUVLO
Under-Voltage Lockout
VIN Rising
2.20
2.35
V
VUVLO_HYS
Under-Voltage Lockout Hysteresis
200
mV
VPG(OL)
PG Low
IPG=5 mA
0.4
V
IPG_LK
PG Leakage Current
VPG=5 V
1
µA
VIH
Logic Level HIGH EN, VSEL, BYP
1.2
V
VIL
Logic Level LOW EN, VSEL, BYP
0.4
V
RLOW
Logic Control Pin Pull Downs
(LOW Active)
BYP, VSEL, EN
300
k
IPD
Weak Current Source Pull-Down
BYP, VSEL, EN
100
nA
VREG
Output Voltage Accuracy
Referred to GND, DC, VOUT-VIN >
100 mV
–2
4
%
VTRSP
Load Transient Response
500 – 1250 mA, VIN=3.6 V, VOUT=5.0 V
±4
%
tON
On-Time
VIN=3.0 V, VOUT=3.5 V, Load >1000 mA
80
ns
fSW
Switching Frequency
VIN=3.6 V, VOUT=5.0 V, Load=1000 mA
2.0
2.5
3.0
MHz
IV_LIM
Boost Valley Current Limit
VIN=2.6 V
2.6
2.9
3.1
A
IV_LIM_SS
Boost Valley Current Limit During
SS
VIN=2.6 V
1.6
A
VMIN_1.5A
Minimum VIN for 1500 mA Load
(Short Term)
VOUT=5.0 V, TJ < 120˚C
3.0
V
VOUT=4.5 V, TJ < 120˚C
2.8
V
VOUT=3.5 V, TJ < 120˚C
2.35
V
VOUT=3.15 V, TJ < 120˚C
2.35
V
ISS_PK
Soft-Start Input Peak Current Limit
LIN1
Slow
350
mA
Fast
800
mA
LIN2
Slow
700
mA
Fast
1600
mA
tSS
Soft-Start EN HIGH to Regulation
Slow, 50
 Load
1300
s
Fast, 50
 Load
600
s
VOCP
OCP Comparator Threshold
VIN=5.0 V, VIN-VOUT
200
mV
VOVP
Output Over-Voltage Protection
Threshold
6.0
6.3
V
VOVP_HYS
Output Over-Voltage Protection
Hysteresis
300
mV
Continued on the following page…


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