參數(shù)資料
型號(hào): R1230D211F-TR
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 920 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.9 MM HEIGHT, SON-8
文件頁(yè)數(shù): 24/26頁(yè)
文件大?。?/td> 284K
代理商: R1230D211F-TR
R1230D
7
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
ILXleak
LX Leakage Current
VIN=5.5V, VCE=0V,
VLX=0V/5.5V
-0.1
0.0
0.1
A
IVFB
VFB Leakage Current
VIN=5.5V, VCE=0V,
VFB=0V/5.5V
-0.1
0.0
0.1
A
ICE
CE Input Current
VIN=5.5V, VMODE=0V,
VCE=5.5V/0V
-0.1
0.0
0.1
A
VCEH
CE "H" Input Voltage
VIN=5.5V, VFB=0V
1.5
V
VCEL
CE "L" Input Voltage
VIN=2.4V, VFB=0V
0.3
V
maxdty
Oscillator Maximum Duty Cycle
VMODE=0V
100
%
VLX
LX Limit Voltage
VIN=VCE=3.0V, VMODE=0V,
VFB=0V
VIN-
0.15
VIN-
0.35
VIN-
0.55
V
Tstart
Delay Time by Soft-Start function at no load, VIN=VCE=VSET+1.5V
0.5
1.5
2.5
ms
Tprot
Delay Time for protection circuit
VIN=VCE=3.6V, VMODE=0V
1.5
ms
VUVLO1
UVLO Threshold Voltage
VIN=VCE=2.5V → 1.5V, VFB=0V
1.8
2.1
2.2
V
VUVLO2
UVLO Released Voltage
VIN=VCE=1.5V → 2.5V, VFB=0V
1.9
2.2
2.3
V
IMODE
MODE Pin Input Current
VIN=5.5V, VMODE=5.5V/0V,
VCE=0V
-0.1
0.1
A
VMODEH
MODE "H" Input Voltage
VIN=VCE=5.5V, VFB=0V
1.5
V
VMODEL
MODE "L" Input Voltage
VIN=VCE=2.4V, VFB=0V
0.3
V
VFMdty VFM Duty Cycle
VIN=VCE=VMODE=2.4V, VFB=0V
55
65
85
%
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