FAN5355 查看數據表（PDF） - ON Semiconductor
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FAN5355 Datasheet PDF : 27 Pages
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Electrical Specifications
VIN = 3.6 V, EN = VIN, VSEL = VIN, SYNC = GND, VSEL0(6) bit = 1, CONTROL2[4:3] = 00. TA = -40°C to +85°C, unless otherwise
noted. Typical values are at TA = 25°C. Circuit and components according to Figure 1.
Symbol Parameter
Conditions
Power Supplies
VIN Input Voltage Range
IQ Quiescent Current
ISD Shutdown Supply Current
VUVLO Under-Voltage Lockout Threshold
VUVHYST Under-Voltage Lockout Hysteresis
ENABLE, VSEL, SDA, SCL, SYNC
IO = 0 mA, PFM Mode
IO = 0 mA, 3 MHz PWM Mode
EN = GND
EN = VIN, EN_DCDC bit = 0,
SDA = SCL = VIN
VIN Rising
VIN Falling
VIH HIGH-Level Input Voltage
VIL LOW-Level Input Voltage
IIN Input Bias Current
Power Switch and Protection
Input tied to GND or VIN
RDS(ON)P
P-Channel MOSFET On
Resistance
ILKGP P-Channel Leakage Current
VIN = 3.6 V, CSP Package
VIN = 3.6 V, MLP Package
VIN = 2.7 V, MLP Package
VDS = 6 V
RDS(ON)N
N-Channel MOSFET On
Resistance
VIN = 3.6 V, CSP Package
VIN = 3.6 V, MLP Package
VIN = 2.7 V, MLP Package
ILKGN
RDIS
N-Channel Leakage Current
Discharge Resistor for Power-
Down Sequence
VDS = 6 V
Options 03 and 06
ILIMPK P-MOS Current Limit
TLIMIT Thermal Shutdown
THYST Thermal Shutdown Hysteresis
Frequency Control
2.7 V ≤ VIN ≤ 4.2 V, Options 00 and 02
2.7 V ≤ VIN ≤ 5.5 V, Options 00 and 02
2.7 V ≤ VIN ≤ 4.2 V, Options 03 and 06
2.7 V ≤ VIN ≤ 5.5 V, Options 03 and 06
2.7 V ≤ VIN ≤ 4.5 V, Option 08
fSW
fSYNC
DSYNC
Oscillator Frequency
Synchronization Range
Synchronization Duty Cycle
Min.
2.7
2.00
200
1.2
1150
1050
1350
1250
1400
2.65
2.7
20
Typ. Max.
5.5
37
50
4.8
0.1
2.0
0.1
2.0
2.40 2.60
2.15 2.30
250 300
0.4
0.01 1.00
145
165
200
75
95
101
60
1350
1350
1550
1550
1650
150
20
1
1
120
1600
1600
1800
1800
3.00 3.35
3.0
3.3
80
Units
V
μA
mA
μA
V
V
mV
V
V
μA
mΩ
μA
mΩ
μA
Ω
mA
°C
°C
MHz
MHz
%
Continued on the following page…
© 2008 Fairchild Semiconductor Corporation
5
FAN5355 • Rev. 1.1.7
www.fairchildsemi.com
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