參數(shù)資料
型號(hào)： FAN5355UC06X
廠(chǎng)商： FAIRCHILD SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 1.8 A SWITCHING CONTROLLER, 3350 kHz SWITCHING FREQ-MAX, PBGA12
封裝： 2.23 X 1.46 MM, 0.50 MM PITCH, WLCSP-12
文件頁(yè)數(shù)： 22/26頁(yè)
文件大?。?/td> 1762K
代理商： FAN5355UC06X
2008 Fairchild Semiconductor Corporation
5
www.fairchildsemi.com
FAN5355 Rev. 1.0.7
FAN5355
—
1.1A
/
1
A
/
0.8A,
3
M
Hz
Digita
lly
Programmable
Regulator
Electrical Specifications
VIN = 3.6V, 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
Min.
Typ.
Max.
Units
Power Supplies
VIN
Input Voltage Range
2.7
5.5
V
IQ
Quiescent Current
IO = 0mA, PFM Mode
37
50
A
IO = 0mA, 3MHz PWM Mode
4.8
mA
ISD
Shutdown Supply Current
EN = GND
0.1
2.0
A
EN = VIN, EN_DCDC bit = 0,
SDA = SCL = VIN
0.1
2.0
VUVLO
Under-Voltage Lockout Threshold
VIN Rising
2.40
2.60
V
VIN Falling
2.00
2.15
2.30
V
VUVHYST
Under-Voltage Lockout Hysteresis
200
250
300
mV
ENABLE, VSEL, SDA, SCL, SYNC
VIH
HIGH-Level Input Voltage
1.2
V
VIL
LOW-Level Input Voltage
0.4
V
IIN
Input Bias Current
Input tied to GND or VIN
0.01
1.00
A
Power Switch and Protection
RDS(ON)P
P-Channel MOSFET On
Resistance
VIN = 3.6V, CSP Package
145
m
VIN = 3.6V, MLP Package
165
VIN = 2.7V, MLP Package
200
ILKGP
P-Channel Leakage Current
VDS = 6V
1
A
RDS(ON)N
N-Channel MOSFET On
Resistance
VIN = 3.6V, CSP Package
75
m
VIN = 3.6V, MLP Package
95
VIN = 2.7V, MLP Package
101
ILKGN
N-Channel Leakage Current
VDS = 6V
1
A
RDIS
Discharge Resistor for Power-
Down Sequence
Options 03 and 06
60
120
ILIMPK
P-MOS Current Limit
2.7V ≤ VIN ≤ 4.2V, Options 00 and 02
1150
1350
1600
mA
2.7V ≤ VIN ≤ 5.5V, Options 00 and 02
1050
1350
1600
2.7V ≤ VIN ≤ 4.2V, Options 03 and 06
1350
1550
1800
2.7V ≤ VIN ≤ 5.5V, Options 03 and 06
1250
1550
1800
2.7V ≤ VIN ≤ 4.5V, Option 08
1650
TLIMIT
Thermal Shutdown
150
°C
THYST
Thermal Shutdown Hysteresis
20
°C
Frequency Control
fSW
Oscillator Frequency
2.65
3.00
3.35
MHz
fSYNC
Synchronization Range
2.7
3.0
3.3
MHz
DSYNC
Synchronization Duty Cycle
20
80
%
Continued on the following page…
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