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參數(shù)資料
| 型號(hào)： | R1202L511B-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 0.45 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 1.60 X 1.60 MM, HALOGEN FREE AND ROHS COMPLIANT, DFN-6 |
| 文件頁(yè)數(shù)： | 21/23頁(yè) |
| 文件大小： | 572K |
| 代理商： | R1202L511B-TR |
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R1202x
7
ELECTRICAL CHARACTERISTICS
R1202x
(Ta=25
°C)
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
R1202xxxxA/B
2.3
5.5
V
VIN
Operating Input Voltage
R1202xxxxD
1.8
5.5
V
IDD
Supply Current
VIN=5.5V , VFB=0V , LX at no load
0.8
1.2
mA
Istandby
Standby Current
VIN=5.5V , VCE=0V
1.0
5.0
μA
R1202xxxxA/B
1.9
2.0
2.1
V
VUVLO1
UVLO Detect
Threshold Voltage
VIN falling
R1202xxxxD
1.5
1.6
1.7
V
R1202xxxxA/B
VUVLO1
+0.2
2.3
V
VUVLO2
UVLO Release Voltage
VIN rising
R1202xxxxD
VUVLO1
+0.1
1.8
V
VCEH
CE Input Voltage "H"
VIN=5.5V
1.5
V
VCEL
CE Input Voltage "L"
0.5
V
RCE
CE Pull Down
Resistance
1200
k
R1202xxxxA/B
0.985
1.000
1.015
VFB
VFB Voltage Accuracy
VCE=3.6V
R1202xxxxD
0.19
0.2
0.21
V
VFB/Ta
VFB Voltage Temperature
Coefficient
VCE=3.6V, -40
°C <
= Ta <
= 85°C
±150
ppm/
°C
IFB
VFB Input Current
VIN=5.5V, VFB=0V or 5.5V
-0.1
0.1
μA
tstart
Soft-start Time
*R1202xxxxA/B
2.0
ms
RON
Driver ON Resistance
VCE=3.6V, ILX=100mA
1.35
IOFF
Driver Leakage Current
VLX=22V
3.0
μA
R1202xx1xx
250
350
450
ILIM
Driver Current Limit
VIN
=3.6V
R1202xx2xx
500
700
900
mA
VF
NPN Forward Voltage
ILX=100mA
0.8
V
ISWOFF1
NPN Leakage Current 1
VOUT=22V, VLX=0V
10
μA
ISWOFF2
NPN Leakage Current 2
VOUT=0V, VLX=5.5V
3
μA
fosc
Oscillator Frequency
VIN
=3.6V, VFB=0V
1000
1200
1400
kHz
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