參數(shù)資料
型號(hào)： R1285L333A
廠商： RICOH COMPANY LTD
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, DSO12
封裝： 2.70 X 3 MM, DFN-12
文件頁(yè)數(shù)： 10/12頁(yè)
文件大小： 241K
代理商： R1285L333A
R1285L
7
■Inverting DC/DC [ R1285LxxxA]
VOUTN
VOUTN Voltage Tolerance
VCC=3.7V
x0.985
x1.015
VOUTN
/T
VOUTN Voltage
Temperature Coefficient
VCC=3.7V , -40C≦Ta≦85C
±
150
ppm
/C
VOUTN
/Vcc
VOUTN Voltage
Line Regulation
2.9V≦VCC≦3.4
±
6
mV
VOUTN
/IOUT
VOUTN Voltage
Load Regulation
VCC=3.7V , 10mA≦IOUT≦100mA
±
15
mV
VOUTN_TR VOUTN Voltage
Line Transient Response VCC=2.9V 3.4V , TR=TF=50us
±
25
mV
Maxduty2 CH2 Max. Duty Cycle
VCC=3.7V
83
90
%
TSS2
CH2 Soft-Start Time
VCC=3.7V
4.5
ms
RLXN
LXN ON Resistance
VCC=3.7V
600
m
Ω
IOFF LXN
LXN Leakage Current
VCC=4.8V , VLXN=-6V
5
uA
ILIMLXN
LXN Current Limit
VCC=3.7V
1.0
1.5
A
IVOUTN
VOUTN Discharge Current
VCC=3.7V , VOUTN=-0.3V
50
mA
■Inverting DC/DC [ R1285L00xB]
VFBN
VFBN voltage tolerance
VCC=3.7V
-25
0
25
mV
IFBN
VFBN input current
VCC=4.8V , VFBN=0V or 4.8V
-0.1
0.1
μA
VREF
VREF voltage tolerance
VCC=3.7V
1.172
+VFBN
1.2
+VFBN
1.228
+VFBN
V
VREF
/T
VREF voltage
temperature coefficient
VCC=3.7V
-40C≦Ta≦85C
±
150
ppm
/C
VOUTN
/VCC
VOUTN Voltage
Line Regulation
2.9V≦VCC≦3.4
±
6
mV
VOUTN
/IOUT
VOUTN Voltage
Load Regulation
VCC=3.7V , 10mA≦IOUT≦100mA
±
15
mV
VOUTN_TR VOUTN Voltage
Line Transient Response VCC=2.9V 3.4V , TR=TF=50us
±
25
mV
Maxduty2 CH2 Max. Duty Cycle
VCC=3.7V
83
90
%
TSS2
CH2 Soft-Start Time
VCC=3.7V
4.5
ms
RLXN
LXN ON Resistance
VCC=3.7V
600
m
Ω
IOFF LXN
LXN Leakage Current
VCC=4.8V , VLXN=-6V
5
uA
ILIMLXN
LXN Current Limit
VCC=3.7V
1.0
1.5
A
IVOUTN
VOUTN Discharge Current
VCC=3.7V , VOUTN=-0.3V
50
mA
* In terms of TST pin(TST1 , TST2), connect the GND level or remain it open.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the recommended
operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the
semiconductor devices may receive serious damage when they continue to operate over the recommended operating
conditions.
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