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C3216X5R1E226M 参数 Datasheet PDF下载

C3216X5R1E226M图片预览
型号: C3216X5R1E226M
PDF下载: 下载PDF文件 查看货源
内容描述: 18V的驱动晶体管内置的同步降压型DC / DC转换器 [18V Driver Transistor Built-In Synchronous Step-Down DC/DC Converter]
分类和应用: 晶体转换器晶体管驱动
文件页数/大小: 21 页 / 571 K
品牌: TOREX [ Torex Semiconductor ]
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XC9248  
Series  
ELECTRICAL CHARACTERISTICS  
XC9248 Series  
Ta=25℃  
PARAMETER  
SYMBOL  
CONDITIONS  
MIN.  
4.5  
TYP.  
-
MAX.  
18  
UNITS  
V
CIRCUIT  
When connected to external components  
Operating Voltage Range  
VIN  
VIN 7V: Setup VOUT=3.3V  
V
IN >7V: Setup VOUT=5V  
FB Voltage  
FB Voltage  
VFB  
VFB=Sweep (0.812V0.788V), VSS=OPEN  
0.788  
0.800  
±40  
0.812  
V
VFB/  
-40℃≦Topr105℃  
ppm/℃  
Temperature Characteristics (VFBΔTopr)  
Maximum Output Current  
Supply Current  
IOUTMAX  
Iq  
When connected to external components  
VIN=VEN=18V, VFB=0.9V  
2.2(*1)  
-
-
1.10  
51  
A
-
-
0.76  
38  
mA  
μA  
kHz  
%
Stand-by Current  
ISTB  
VIN=18V, VEN=0V, VFB=OPEN  
VFB=0.7V, VSS=OPEN  
Oscillation Frequency  
Maximum Duty Cycle  
fOSC  
Dmax  
450  
74  
500  
79  
550  
-
VFB=0.7V, VSS=OPEN  
VIN=Sweep (4.5V3.5V) , VEN=2V, VFB=0.9V  
Voltage when VL pin changes from  
“H” level to “L” level (*2)  
UVLO Detection Voltage  
VUVLOD  
3.50  
3.80  
4.45  
V
VIN=Sweep (3.5V4.5V), VEN=2V, VFB=0.9V  
Voltage when VL pin changes from  
“L” level to “H” level (*2)  
UVLO Release Voltage  
Low side Current Limit  
VUVLOR  
ILIMLS  
tLAT  
3.55  
2.1  
3.90  
-
4.50  
-
V
A
VOUT=4.5V (Forced), Bottom point of LX pin current  
V
FB=0.9V, ILX = ILIMLS  
Integral Latch Time  
(Type A)  
0.4  
1.1  
1.8  
ms  
Time until SS pin changes from  
“H” level to “L” level (*2)  
VIN=12V, VEN=2V, VFB=0.72V, VSS=OPEN  
Time until LX pin oscillates  
Internal Soft-start Time  
SS Terminal Current  
SS Threshold Voltage  
OVP Detection Voltage  
Efficiency  
tSS  
ISS  
-
2
2.8  
4
-
6
ms  
μA  
V
VSS=0V, VLX=VFB=OPEN  
V
FB=0.72V, VSS=OPEN  
VSSTH  
VOVPD  
EFFI (*3)  
1.2  
-
1.8  
0.9  
93.8  
2.4  
1.2  
-
Voltage when LX pin oscillates  
VFB=Sweep (0.788V1.2V), VSS=OPEN  
Setup VOUT=5V, IOUT=0.7A  
V
-
%
When connected to external components  
Lx SW ”H” ON Resistance  
Lx SW ”L” ON Resistance  
RLXH  
RLXL  
-
-
0.12(*4)  
0.12(*4)  
-
-
-
-
VIN=12V, VFB=0.9V, VEN=Sweep (0.2V1.4V)  
Voltage when VL pin changes from  
“L” level to “H” level (*2)  
EN ”H” Voltage  
EN ”L” Voltage  
VENH  
1.4  
-
-
-
-
V
V
VIN=12V, VFB=0.9V, VEN=Sweep (1.4V0.2V)  
Voltage when VL pin changes from  
“H” level to “L” level (*2)  
VENL  
0.2  
ILXL  
IENH  
VIN=18V , VEN=VLX=0V , VFB=VSS=OPEN  
VIN=VEN=18V , VLX=VFB=VSS=OPEN  
VIN=18V , VEN=0V , VLX=VFB=VSS=OPEN  
VIN=18V , VEN=0V , VFB=5V , VLX=VSS=OPEN  
VIN=18V , VEN=VFB=0V , VLX=VSS=OPEN  
-1  
0
16  
-
-
21  
0.1  
0.1  
0.1  
-
μA  
μA  
μA  
μA  
μA  
°C  
-
LX ”L” Current  
EN ”H” Current  
-
IENL  
-0.1  
EN ”L” Current  
IFBH  
-0.1  
-
FB ”H” Current  
IFBL  
-0.1  
-
FB ”L” Current  
TTSD  
THYS  
RDCHG  
IDCHG  
-
-
-
-
150  
25  
300  
9
Thermal Shutdown Temperature  
Hysteresis Width  
-
°C  
-
VIN=12V , VEN=0V , VLX=2V , VFB=VSS=OPEN  
VIN=12V , VEN=0V , VLX=12V , VFB=VSS=OPEN  
-
Ω
CL Discharge Resistance  
CL Discharge Current  
-
mA  
Unless otherwise stated, VIN=VEN=12V  
(*1) Mount conditions affect heat dissipation. Maximum output current is not guaranteed when Thermal Shutdown starts to operate earlier.  
(*2) “H”=4.3V5V, “L”=0.1V0.1V  
(*3) EFFI = {[(output voltage)×(output current)]÷[(input voltage)×(input current)]}×100  
(*4) Design value  
5/21