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參數(shù)資料
| 型號： | XC9511E14SRL |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | Synchronous Step-Down DC/DC Converter with built-in LDO Regulator in parallel plus Voltage Detector |
| 中文描述： | 同步降壓型DC / DC轉(zhuǎn)換器內(nèi)置LDO的同時(shí)加電壓檢測器調(diào)節(jié)器 |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 180K |
| 代理商： | XC9511E14SRL |
Synchronous Step-Down DC/DC Converter with built-in LDO Regulator in parallel plus Voltage Detector
Preliminary
!
ELECTRICAL CHARACTERISTICS
XC9511xxxCSx
#
Common Characteristics
#
DC/DC Converter (1.5V product)
#
Regulator (3.3V product)
%
ppm/
O
C
mS
mS
UNITS
V
MHz
%
%
±
100
-
2
ppm /
O
C
Output Voltage
Temperature Characteristics
!
VROUT
IROUT=30mA
-40
O
C<Topr<85
O
C
-
(
!
Topr
"
VROUT)
60
-
12
dB
Ripple Rejection Rate
PSRR
VIN={VOUT(T) + 1.0} VDC + 0.5Vp-pAC
IROUT=30mA, f=1kHz
-
30
-
7
mA
Short-Circuit Current
ISHORT
VROUT=VSS
-
600
-
7
mA
Current Limit
ILIM2
VROUT=VROUT(E) x 0.9
480
0.05
0.25
2
%/V
Line Regulation
!
VROUT
IROUT=30mA
VROUT(T)+1V<VIN<6V
-
(
!
VIN
"
VROUT)
100
200
2
mV
Dropout Voltage 2
Vdif 2
IROUT=200mA
-
50
110
2
mV
Dropout Voltage 1 (note 5)
Vdif 1
IROUT=100mA
-
15
50
2
mV
Load Regulation
!
VROUT
1mA<IROUT<100mA
-
-
-
2
mA
Maximum Output Current
IMAX2
400
3.300
3.366
2
V
Output Voltage
VROUT(E)
IROUT=30mA
3.234
Topr=25
O
C
TEST
CIRCUIT
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
3
Soft Start Time
TSS
Connected to the external components,
CE=0V
"
VIN, IDOUT=1mA
Connected to the external components,
VIN=CE=5.0V,
Short DCOUT by 1
resistor
2
5
10
3
Temperature Characteristics
(
!
Topr
"
DCOUT)
IDOUT=30mA
-40
O
C<Topr<85
O
C
-
±
100
-
6
Efficiency (note 3)
EFFI
Connected to the external components,
IDOUT=100mA
-
90
-
3
1.0
-
-
3
mA
Maximum Output Current
Current Limit (note 8)
IMAX1
Connected to the external components
800
0.05
1.00
11
μ
A
LX SW 'Low' Leak Current
(note 11)
IleakL
VIN=6.0V, LX=CE=0V
-
0.05
1.00
11
μ
A
LX SW 'High' Leak Current
(note 11)
IleakH
VIN=LX=6.0V, CE=0V
-
0.5
0.9
3
LX SW 'Low' ON Resistance
RLXL
Connected to the external components,
VIN=5.0V
-
1.40
1.78
3
V
4
PFM Duty Ratio
*XC9511D/E/F
U.V.L.O Voltage (note 1)
LX SW 'High' ON Resistance
(note 2)
PFMDUTY
Connected to the external components,
No Load
Connected to the external components
21
30
38
3
-
-
0
3
Maximum Duty Ratio
Minimum Duty Ratio
MAXDUTY
MINDUTY
DCOUT=0V
DCOUT=VIN
100
-
-
4
TEST
CIRCUIT
6.0
3
Output Voltage
DCOUT(E)
Connected to the external components,
IDOUT=30mA
Connected to the external components,
IDOUT=10mA
1.470
1.500
1.530
V
%
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
1.02
1.20
1.38
-
Input Voltage Range
VIN
2.4
Supply Current 2
IDD2
VIN=CE=5.0V, DCOUT=0V
-
TEST
CIRCUIT
1
310
360
1
300
-
UNITS
μΑ
μΑ
CONDITIONS
VIN=CE=DCOUT=5.0V
MIN.
-
TYP.
250
MAX.
Topr=25
O
C
ILIM1
Output Voltage
!
DCOUT
10
Latch Time (note 4, 9)
Tlat
-
8
25
Oscillation Frequency
FOSC
VUVLO
1.00
RLXH
5
DCOUT=0V, LX=VIN-0.05V
-
0.5
1.0
A
1.1
-
XC9511 Series
Supply Current 1
IDD1
PARAMETER
SYMBOL
Semiconductor Ltd.
Data Sheet
4
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