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參數(shù)資料
| 型號： | R1230D001D-TL |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier |
| 中文描述： | 0.8 A SWITCHING REGULATOR, 920 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.90 MM HEIGHT, THIN, SON-8 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大?。?/td> | 648K |
| 代理商： | R1230D001D-TL |
Rev. 1.17
- 5 -
n ELECTRICAL CHARACTERISTICS
lR1230D**1A/B
(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
Temperature Coefficient
-40
°C ≤ Topt ≤ 85°C
±150
ppm
/
°C
fosc
Oscillator Frequency(xx1A) VIN=VCE=VSET+1.5V
425
500
575
kHz
fosc
Oscillator Frequency(xx1B) VIN=VCE=VSET+1.5V
680
800
920
kHz
IDD
Supply Current(xx1A)
VIN=VCE=VSET+1.5V, VOUT=VMODE=0V
230
300
A
IDD
Supply Current(xx1B)
VIN=VCE=VSET+1.5V, VOUT=VMODE=0V
250
350
A
Istb
Standby Current
VIN=5.5V, VCE=VOUT=0V
0
5
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
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=VSET+1.5V, VMODE=0V
0.5
1.5
2.5
ms
VUVLO1 UVLO Threshold Voltage
VIN=VCE=2.5V->1.5V, VOUT=0V
1.8
2.1
2.2
V
VUVLO2 UVLO Released Voltage
VIN=VCE=1.5V->2.5V, VOUT=0V
1.9
2.2
2.3
V
IMODE
MODE Pin Input Current
VIN=5.5V, VCE=0V, VMODE=5.5V/0V
-0.1
0.1
A
VMODEH MODE ”H” Input Voltage
VIN=VCE=5.5V, VOUT=0V
1.5
V
VMODEL MODE ”L” Input Voltage
VIN=VCE=2.4V, VOUT=0V
0.3
V
VFMdty VFM Duty Cycle
VIN=VCE= VMODE=2.4V, VOUT=0V
55
65
85
%
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1230D001D-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier |
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| R1230D00C-TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| R1230D00D-TL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| R1230D00D-TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
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