參數(shù)資料
型號(hào): R1230D281E-TR
廠商: RICOH COMPANY LTD
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 575 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.9 MM HEIGHT, SON-8
文件頁數(shù): 22/26頁
文件大?。?/td> 284K
代理商: R1230D281E-TR
R1230D
5
ELECTRICAL CHARACTERISTICS
R1230Dxx1E/F
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
VIN
Operating Input Voltage
2.4
5.5
V
VOUT
Step-down Output Voltage
VIN=VCE=VSET+1.5V,
VMODE=0V, IOUT=10mA
Typ.×
0.980
VSET
Typ.×
1.020
V
VOUT/
T
Step-down Output Voltage Tem-
perature Coefficient
-40°C ≤ Topt ≤ 85°C
±150
ppm/
°C
fosc
Oscillator Frequency (xx1E)
VIN=VCE=VSET+1.5V
425
500
575
kHz
fosc
Oscillator Frequency (xx1F)
VIN=VCE=VSET+1.5V
680
800
920
kHz
IDD
Supply Current (xx1E)
VIN=VCE=VSET+1.5V,
VOUT=VMODE=0V
230
300
A
IDD
Supply Current (xx1F)
VIN=VCE=VSET+1.5V,
VOUT=VMODE=0V
250
350
A
Istb
Standby Current
VIN=5.5V, VCE=VOUT=0V
05
A
RONP
ON Resistance of Pch Transistor
VIN=5.0V
0.20
0.35
0.60
RONN
ON Resistance of Nch Transistor
VIN=5.0V
0.20
0.45
0.70
ILXleak
LX Leakage Current
VIN=5.5V, VCE=0V,
VLX=0V/5.5V
-0.1
0.0
0.1
A
IVOUT
VOUT Leakage Current
VIN=5.5V, VCE=0V,
VLX=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, VOUT=0V
1.5
V
VCEL
CE "L" Input Voltage
VIN=2.4V, VOUT=0V
0.3
V
Maxdty
Oscillator Maximum Duty Cycle
VMODE=0V
100
%
VLX
LX Limit Voltage
VMODE=VOUT=0V,
VIN=VCE=3.0V
VIN-
0.15
VIN-
0.35
VIN-
0.55
V
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