參數(shù)資料
型號: R1230D201G-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): 23/26頁
文件大小: 284K
代理商: R1230D201G-TR
R1230D
6
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
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
%
R1230D001G/H
Topt=25°C
Symbol
Item
Conditions
Min.
Typ.
Max.
Unit
VIN
Operating Input Voltage
2.4
5.5
V
VFB
Feedback Voltage
VIN=VCE=VSET+1.5V,
VMODE=0V, IOUT=10mA
0.776
0.800
0.824
V
VFB/
T
Feedback Voltage
Temperature Coefficient
-40°C ≤ Topt ≤ 85°C
±150
ppm/
°C
fosc
Oscillator Frequency (xx1G)
VIN=VCE=VSET+1.5V
425
500
575
kHz
fosc
Oscillator Frequency (xx1H)
VIN=VCE=VSET+1.5V
680
800
920
kHz
IDD
Supply Current (xx1G)
VIN=VCE=5.5V, VFB=VMODE=0V
230
300
A
IDD
Supply Current (xx1H)
VIN=VCE=5.5V, VFB=VMODE=0V
250
350
A
Istb
Standby Current
VIN=5.5V, VCE=VFB=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
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