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參數資料
| 型號： | XC9210B092KL |
| 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： | 4/32頁 |
| 文件大小： | 425K |
| 代理商： | XC9210B092KL |
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ELECTRICAL CHARACTERISTICS
XC9210B093
(FOSC = 300kHz)
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
4
-
0
%
2
Minimum Duty Ratio
MINDTY
Same as IDD2
-
-
-
%
2
Maximum Duty Ratio
MAXDTY
Same as IDD1
100
-
2.0
V
1
Minimum Operation Voltage
VINmin
-
0.900
0.918
V
3
FB Voltage
VFB
VIN=3.0V, IOUT=10mA
0.882
-
-
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
FB "Low" Current
2
31
-
19
30
5
-
VIN
≥
2.0V, MODE = 0V, IOUT=1mA
-
V
4
2
EXT2 = VDD - 0.4V
IFBH
FB "High" Current
MODE "Low" Current
MODE "High" Current
IMODEL
CE "Low" Current
ICEH
CE "High" Current
PWM "Low" Current
PWM "High" Current
IMODEH
VOUTSET
EXT2 "High" ON Resistance
EXT1 "Low" ON Resistance
EXT1 "High" ON Resistance
Soft-Start Time
REXTBH2
REXTBL2
VMODEH
VMODEL
VPWMH
VPWML
IFBL
-
0.5
-
-
- 0.5
-
FB = 1.0V
MODE = 0V
-
EXT2 "Low" ON Resistance
PWM "High" Voltage
No Load
5
2
5
4
4
μ
A
2
μ
A
2
19
30
μ
A
-
- 0.50
0.50
μ
A
μ
A
V
-
MIN.
XC9210 Series
Synchronous Step-Down DC / DC Controller ICs
μ
A
2
-
0.20
4
-
-
MODE "Low" Voltage
0.65
PWM "Low" Voltage
No Load
-
No Load
0.65
MODE "High" Voltage
No Load
-
REXTBL1
REXTBH1
V
-
0.20
V
CE = 0V, EXT2 = VDD - 0.4V
-
23
CE1 = 0, EXT1= VDD - 0.4V
-
FB = 0V, EXT1 = 0.4V
-
4
10.0
20.0
5
26
37
VOUT
×
0.95V, CE=0V
→
0.65V
5.0
TSS
%
EFFI
mS
96
-
IOUT1=300mA (note 3)
-
Efficiency1 (note 2 )
%
4
30
38
No Load, VPWM=0V
22
PFMDTY
PFM Duty Ratio
4
PWM=0V
-
μ
A
2
IPWML
μ
A
2
-
0.5
-
IPWMH
-
- 0.5
- 0.5
CE = 0V
-
ICEL
-
0.5
-
V
2
-
0.2
FB = 0V
-
VCEL
CE "Low" Voltage
V
2
-
-
FB = 0V
0.65
VCEH
CE "High" Voltage
kHz
2
300
345
Same as IDD1
255
FOSC
Oscillation Frequency
μ
A
2
-
3.0
Same as IDD1, CE = 0V
-
ISTB
Stand-by Current
μ
A
2
65
120
FB = 1.0V
-
IDD2
Supply Current 2
μ
A
2
FB = 0V
IDD1
120
-
65
1
1
-
-
Supply Current 1
V
-
VIN
0.9
Output Voltage Range(note 1)
V
V
2.0
-
10.0
SYMBOL
PARAMETER
MODE = 0V
10.0
Maximum Input Voltage
VDD
VIN
1
MODE = 0V
Supply Voltage
CONDITIONS
UNITS
MAX.
TYP.
Semiconductor Ltd.
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