lR1221N***B(D,F,H) Output Voltage : Vo, Detector Threshold : VD
(Topt=25°C)
Symbol
Item
Conditions
MIN. TYP. MAX.
Unit
V
Note*
V
IN
Operating Input Voltage
Step-down Output Voltage
2.3
Vo´
0.98
13.2
Vo´
1.02
V
OUT
V =V =Vo+1.2V, I
=-10mA
Vo
A
V
IN
CE
OUT
DV
/
Step-down Output Voltage
Temperature Coefficient
Oscillator Frequency
Frequency Temperature
Coefficient
-40°C £ Topt £ 85°C
±100
ppm/
°C
OUT
DT
fosc
V =V =Vo+1.2V, I =-100mA
OUT
400 500 600
A
kHz
%/
°C
IN
CE
Df
/
-40°C £ Topt £ 85°C
±0.3
OSC
DT
I
Supply Current1
V =13.2V,V =13.2V,V =13.2V
OUT
140 200
B
C
D
D
E
E
F
mA
mA
mA
mA
mA
mA
V
DD1
IN
CE
I
Standby Current
V =13.2V,V =0V,V =0V
OUT
0
-10
20
0
0.5
-6
stb
IN
CE
I
EXT "H" Output Current
EXT "L" Output Current
CE "H" Input Current
CE "L" Input Current
CE "H" Input Voltage
CE "L" Input Voltage
V =8V,V
=7.9V,V
=0.1V,V
=8V,V =8V
CE
EXTH
IN
EXT
OUT
I
V =8V,V
=0V,V =0V
10
EXTL
IN
EXT
OUT
CE
I
V =13.2V,V =13.2V,V
=13.2V
0.5
1.2
CEH
IN
CE
OUT
I
V =13.2V,V =0V,V =13.2V
OUT
-0.5
0
CEL
IN
CE
V
V =8V,V =0V®1.5V
0.8
0.8
CEH
IN
CE
V
V =8V,V =1.5V®0V
0.3
F
V
CEL
IN
CE
Maxdty Oscillator Maximum Duty Cycle
VFMdty VFM Duty Cycle
100
%
Applied to B and F versions only
25
6
%
T
Delay Time by Soft-Start
function
V =Vo+1.2V,V =0V®Vo+1.2V
3
1
10
F
ms
start
IN
CE
At 80% of rising
T
Delay Time for protection circuit V =Vo+1.2V,V =Vo+1.2V®0V
2
0
1
4
G
I
ms
mA
mA
V
prot
IN
CE
I
VD
VD
Output Leakage Current V =V
=V =V =8V
DOUT
0.5
VDLK
OUT
OUT
IN
OUT
CE
I
“L” Output Current
V =V
=2.3V,V =0V, V =0.1V 0.5
DOUT
I
VDL
IN
OUT
CE
-V
tV
V
Detector Threshold
V =6V, V =6V, V
=V ´1.2V®0V V ´
V
D
V ´
D
J
DET
IN
CE
OUT
OUT
OUT
D
D
0.98
1.02
6.0
Output Delay Time for Released V =6V, V =6V, V
=0V®V ´1.2V 1.5
3.5
J
J
ms
DET
IN
CE
D
Voltage
At 80% of rising
Detector Threshold Hysteresis V =6V, V =6V, V
=0V®V ´1.2V V ´ V ´ V ´
mV
HYS
IN
CE
D
D
D
D
0.01 0.03 0.05
D-V
/
Detector Threshold
-40°C £ Topt £ 85°C
±100
ppm/
DET
DT
Temperature Coefficient
°C
Note: Refer to Test Circuits
12345
Rev. 1.11
- 5 -
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
