參數(shù)資料
型號(hào)： R1211N002D-TR
廠商： RICOH COMPANY LTD
元件分類： 穩(wěn)壓器
英文描述： Step-up DC/DC Controller
中文描述： 0.05 A SWITCHING CONTROLLER, 805 kHz SWITCHING FREQ-MAX, PDSO6
封裝： SOT-23, 6 PIN
文件頁數(shù)： 5/33頁
文件大小： 375K
代理商： R1211N002D-TR
Rev. 1.10 - 5 -
I
ELECTRICAL CHARACTERISTICS
G
R1211X002A
Symbol
Item
V
IN
Operating Input Voltage
V
FB
V
FB
Voltage Tolerance
V
FB
/
T
Temperature Coefficient
I
FB
V
FB
Input Current
f
OSC
Oscillator Frequency
f
OSC
/
T
Temperature Coefficient
I
DD1
Supply Current 1
maxdty
Maximum Duty Cycle
R
EXTH
EXT “H” ON Resistance
(Topt=25
°
C)
Conditions
MIN.
2.5
0.985
TYP.
MAX.
6.0
1.015
Unit
V
V
ppm/
°
C
V
IN
=3.3V
-40
°
C
≤
Topt
≤
85
°
C
1.000
±
150
V
FB
Voltage
V
IN
=6V, V
FB
=0V or 6V
V
IN
=3.3V, V
DLY
=V
FB
=0V
-40
°
C
≤
Topt
≤
85
°
C
-0.1
595
0.1
805
μ
A
kHz
kHz/
°
C
700
±
1.4
Oscillator Frequency
V
IN
=6V, V
DLY
=V
FB
=0V, EXT at no load
V
IN
=3.3V, EXT “H” side
V
IN
=3.3V, I
EXT
=-20mA
600
90
5
900
94
10
μ
A
%
82
R
EXTL
EXT “L” ON Resistance
V
IN
=3.3V, I
EXT
=20mA
3
6
I
DLY1
Delay Pin Charge Current
V
IN
=3.3V, V
DLY
=V
FB
=0V
2.5
5.0
7.5
μ
A
I
DLY2
Delay Pin Discharge Current
V
IN
=V
FB
=2.5V, V
DLY
=0.1V
2.5
5.5
9.0
mA
V
DLY
T
START
Soft-start Time
V
UVLO1
UVLO Detector Threshold
V
UVLO2
UVLO Detector Hysteresis V
IN
=0V
→
3.3V, V
DLY
=V
FB
=0V
I
AMP1
AMP “H” Output Current
I
AMP2
AMP “L” Output Current
Delay Pin Detector Threshold
V
IN
=3.3V, V
FB
=0V, V
DLY
=0V
→
2V
V
IN
=3.3V at 90% of rising edge
V
IN
=3.3V
→
0V, V
DLY
=V
FB
=0V
0.95
4.5
2.1
0.08
0.45
30
1.00
9.0
2.2
0.13
0.90
60
1.05
13.5
2.3
0.18
1.50
90
V
ms
V
V
mA
μ
A
V
IN
=3.3V, V
AMP
=1V, V
FB
=0.9V
V
IN
=3.3V, V
AMP
=1V, V
FB
=1.1V
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