参数资料
型号: FAN5355UC03X
厂商: Fairchild Semiconductor
文件页数: 5/26页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 1A 12WLCSP
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.75 V ~ 1.54 V
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 3MHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-UFBGA,WLCSP
包装: 标准包装
供应商设备封装: 12-WLCSP
产品目录页面: 1215 (CN2011-ZH PDF)
其它名称: FAN5355UC03XDKR
Electrical Specifications
V IN = 3.6V, EN = V IN , VSEL = V IN , SYNC = GND, VSEL0(6) bit = 1, CONTROL2[4:3] = 00. T A = -40°C to +85°C, unless otherwise
noted. Typical values are at T A = 25°C. Circuit and components according to Figure 1.
Symbol Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supplies
V IN
Input Voltage Range
2.7
5.5
V
I Q
Quiescent Current
I O = 0mA, PFM Mode
I O = 0mA, 3MHz PWM Mode
37
4.8
50
? A
mA ?
EN = GND
0.1
2.0
I SD
Shutdown Supply Current
EN = V IN , EN_DCDC bit = 0,
SDA = SCL = V IN
0.1
2.0
? A
V UVLO
V UVHYST
Under-Voltage Lockout Threshold
Under-Voltage Lockout Hysteresis
V IN Rising
V IN Falling
2.00
200
2.40
2.15
250
2.60
2.30
300
V ?
V ?
mV
ENABLE, VSEL, SDA, SCL, SYNC
V IH
V IL
HIGH-Level Input Voltage
LOW-Level Input Voltage
1.2
0.4
V
V
I IN
Input Bias Current
Input tied to GND or V IN
0.01
1.00
? A
Power Switch and Protection
R DS(ON)P
I LKGP
R DS(ON)N
I LKGN
P-Channel MOSFET On
Resistance
P-Channel Leakage Current
N-Channel MOSFET On
Resistance
N-Channel Leakage Current
V IN = 3.6V, CSP Package
V IN = 3.6V, MLP Package
V IN = 2.7V, MLP Package
V DS = 6V
V IN = 3.6V, CSP Package
V IN = 3.6V, MLP Package
V IN = 2.7V, MLP Package
V DS = 6V
145
165
200
75
95
101
1
1
m ? ?
? A ?
m ?
? A ?
R DIS
Discharge Resistor for Power-
Down Sequence
Options 03 and 06
2.7V ≤ V IN ≤ 4.2V, Options 00 and 02
2.7V ≤ V IN ≤ 5.5V, Options 00 and 02
1150
1050
60
1350
1350
120
1600
1600
?
I LIMPK
P-MOS Current Limit
2.7V ≤ V IN ≤ 4.2V, Options 03 and 06
1350
1550
1800
mA ?
2.7V ≤ V IN ≤ 5.5V, Options 03 and 06
2.7V ≤ V IN ≤ 4.5V, Option 08
1250
1400
1550
1650
1800
T LIMIT
T HYST
Thermal Shutdown
Thermal Shutdown Hysteresis
150
20
°C
°C
Frequency Control
f SW
f SYNC
D SYNC
Oscillator Frequency
Synchronization Range
Synchronization Duty Cycle
2.65
2.7
20
3.00
3.0
3.35
3.3
80
MHz
MHz
%
Continued on the following page…
? 2008 Fairchild Semiconductor Corporation
FAN5355 ? Rev. 1.1.0
5
www.fairchildsemi.com
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