參數(shù)資料
型號： FAN5361UMP18X
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, DSO6
封裝： 2 X 2 MM, ROHS COMPLIANT, MO-229VCCC, UMLP-6
文件頁數(shù)： 12/17頁
文件大?。?/td> 1565K
代理商： FAN5361UMP18X
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5361 Rev. 1.0.0
4
FAN5361
—
6MHz,
60
0mA
TinyBu
ck
Syn
c
hronous
Buck
Regu
lator
Electrical Characteristics
Minimum and maximum values are at VIN = VEN = 2.3V to 5.5V, AUTO Mode, TA = -40°C to +85°C; circuit of Figure 1, unless
otherwise noted. Typical values are at TA = 25°C, VIN = VEN = 3.6V.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supplies
No load, Not Switching
35
55
A
IQ
Quiescent Current
PWM Mode
6
mA
I(SD)
Shutdown Supply Current
VIN = 3.6V, EN = GND
0.05
1.00
A
VUVLO
Under-Voltage Lockout Threshold
Rising VIN
2.15
2.25
V
VUVHYST
Under-Voltage Lockout hysteresis
150
mV
V(ENH)
Enable HIGH-Level Input Voltage
1.2
V
V(ENL)
Enable LOW-Level Input Voltage
0.4
V
I(EN)
Enable Input Leakage Current
EN to VIN or GND
0.01
1.00
A
V(MH)
MODE HIGH-Level Input Voltage
1.2
V
V(ML)
MODE LOW-Level Input Voltage
0.4
V
I(M)
MODE Input Leakage Current
MODE to VIN or GND
0.01
1.00
A
Switching and Synchronization
fSW
Switching Frequency
VIN = 3.6V, TA = 25°C
5.4
6.0
6.6
MHz
fSYNC
MODE Synchronization Range
(4)
Squarewave at MODE Input
1.3
1.5
1.7
MHz
Regulation
ILOAD = 0 to 600mA
1.784
1.820
1.875
V
1.82V
PWM Mode
1.784
1.820
1.856
V
ILOAD = 0 to 600mA
1.764
1.800
1.854
V
1.80V
PWM Mode
1.764
1.800
1.836
V
ILOAD = 0 to 600mA
1.470
1.500
1.545
V
1.50V
PWM Mode
1.470
1.500
1.530
V
ILOAD = 0 to 600mA
1.274
1.300
1.339
V
1.30V
PWM Mode
1.274
1.300
1.326
V
ILOAD = 0 to 600mA
1.174
1.200
1.239
V
1.20V
PWM Mode
1.174
1.200
1.226
V
ILOAD = 0 to 600mA
0.974
1.000
1.039
V
VO
Output Voltage
Accuracy
1.00V
PWM Mode
0.974
1.000
1.026
V
tSS
Soft-Start
From EN Rising Edge
150
300
s
Output Driver
PMOS On Resistance
VIN = VGS = 3.6V
350
m
Ω
RDS(on)
NMOS On Resistance
VIN = VGS = 3.6V
225
m
Ω
ILIM
PMOS Peak Current Limit
Open-Loop
900
1000
1250
mA
TTSD
Thermal Shutdown
CCM Only
150
°C
THYS
Thermal Shutdown Hysteresis
15
°C
Notes:
4.
Limited by the effect of tOFF minimum (see Figure 13 in Typical Performance Characteristics).
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