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參數(shù)資料
| 型號： | XC9210 |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | Synchronous Step-Down DC / DC Controller ICs |
| 中文描述： | 同步降壓DC / DC控制器芯片 |
| 文件頁數(shù)： | 5/32頁 |
| 文件大?。?/td> | 425K |
| 代理商： | XC9210 |
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XC9210B092
(FOSC = 180kHz)
MIN.
Ta=25
O
C
TEST
CIRCUIT
VOUT
Unless otherwise stated, VDD = 3.0V, CE = 3.0V, PWM = 3.0V, FB = 3.0V, EXT1,2 = OPEN, MODE = 3.0V, VIN=4.2V
Notes 1)
2)
3)
Tr1 : CPH3308
(SANYO)
Tr2 : CPH3408
L : 22
μ
H
CL : 16V, 47
μ
F x 2
CIN : 16V, 47
μ
F
RFB1 : 200k
RFB2 : 75k
(SANYO)
(SUMIDA CDRH125)
(NICHICEMI Tantalum MCE Series)
(NICHICEMI Tantalum MCE Series)
CFB : 62pF
5
-
0.20
V
4
MODE "Low" Voltage
VMODEL
No Load
-
-
-
V
4
MODE "High" Voltage
VMODEH
No Load
0.65
FB "Low" Current
IFBL
FB = 1.0V
-
-
- 0.50
μ
A
2
Please be careful not to exceed the breakdown voltage level of the peripheral parts.
EFFI={ [ (Output voltage) x (Output current) ] / [ (Input voltage) x (Input Current) ] } x 100
-
0.20
-
- 0.50
MODE "Low" Current
IMODEL
MODE = 0V
-
V
4
PWM "Low" Voltage
VPWML
No Load
-
5
PWM "High" Voltage
VPWMH
No Load
0.65
-
-
V
4
5
EXT2 "High" ON Resistance
REXTBH2
EXT2 = VDD - 0.4V
-
23
31
5
mS
4
EXT1 "High" ON Resistance
REXTBH1
CE1 = 0, EXT1= VDD - 0.4V
-
26
37
5
%
4
Efficiency1 (note 2)
EFFI
IOUT1=300mA (note 3)
VOUT1
×
0.95V, CE=0V
→
0.65V
-
96
-
%
4
%
2
Minimum Duty Ratio
MINDTY
Same as IDD2
-
-
0
%
2
-
2.0
V
1
Minimum Operation Voltage
VINmin
-
μ
A
2
V
3
μ
A
2
μ
A
2
μ
A
2
-
0.50
μ
A
2
MODE "High" Current
IMODEH
-
PWM "Low" Current
IPWML
PWM=0V
-
-
- 0.50
μ
A
2
CE "Low" Current
ICEL
CE = 0V
-
-
- 0.50
μ
A
2
V
2
CE "Low" Voltage
VCEL
FB = 0V
-
-
0.20
V
2
μ
A
2
Oscillation Frequency
FOSC
Same as IDD1
153
180
207
kHz
2
μ
A
2
Supply Current 2
IDD2
FB = 1.0V
-
45
105
μ
A
2
V
1
Output Voltage Range(note 1)
VOUTSET
VIN
≥
2.0V, MODE = 0V, IOUT=1mA
0.9
-
VIN
V
1
-
10.0
V
1
Supply Voltage
VDD
MODE = 0V
2.0
UNITS
TYP.
MAX.
XC9210 Series
Synchronous Step-Down DC / DC Controller ICs
PARAMETER
SYMBOL
CONDITIONS
-
19
30
EXT2 "Low" ON Resistance
REXTBL2
CE = 0V, EXT2 = VDD - 0.4V
-
19
30
EXT1 "Low" ON Resistance
REXTBL1
FB = 0V, EXT1 = 0.4V
5.0
10.0
20.0
Soft-Start Time
TSS
22
30
38
PFM Duty Ratio
PFMDTY
No Load, VPWM=0V
100
-
-
Maximum Duty Ratio
MAXDTY
Same as IDD1
0.882
0.900
0.918
FB Voltage
VFB
VIN=3.0V, IOUT=10mA
-
-
0.50
FB "High" Current
IFBH
-
-
0.50
PWM "High" Current
IPWMH
-
-
0.50
CE "High" Current
ICEH
0.65
-
-
CE "High" Voltage
VCEH
FB = 0V
-
-
3.0
Stand-by Current
ISTB
Same as IDD1, CE = 0V
-
45
105
Supply Current 1
IDD1
FB = 0V
10.0
-
-
Maximum Input Voltage
VIN
MODE = 0V
Semiconductor Ltd.
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