R1111N22B-TR [RICOH]
Fixed Positive LDO Regulator, 2.2V, 0.7V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 PIN;
| 型号： | R1111N22B-TR |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | Fixed Positive LDO Regulator, 2.2V, 0.7V Dropout, CMOS, PDSO5, MINI, PLASTIC, SOT-23, 5 PIN 光电二极管 输出元件 调节器 |
| 文件： | 总19页 (文件大小：185K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
/2:#12,6(#483P$#/'2
5(*8/$725
544441#6(5,(6
$33/,&$7,21#0$18$/
NO. EA-057-0006
LOW NOISE 150mA LDO REGULATOR
544441#6(5,(6
OUTLINE
7KH#544441#6HULHV#DUH#YROWDJH#UHJXODWRU#,&V#ZLWK#KLJK#RXWSXW#YROWDJH#DFFXUDF\/#H[WUHPHO\#ORZ#VXSSO\#FXUUHQW/#ORZ
210UHVLVWDQFH/#DQG#KLJK#5LSSOH#5HMHFWLRQ#E\#&026#SURFHVV1#(DFK#RI#WKHVH#YROWDJH#UHJXODWRU#,&V#FRQVLVWV#RI#D#YROWDJH
UHIHUHQFH#XQLW/#DQ#HUURU#DPSOLILHU/#UHVLVWRUV/#D#FXUUHQW#OLPLW#FLUFXLW/#DQG#D#FKLS#HQDEOH#FLUFXLW1
7KHVH#,&V#SHUIRUP#ZLWK#ORZ#GURSRXW#YROWDJH#DQG#D#FKLS#HQDEOH#IXQFWLRQ1#7KH#OLQH#WUDQVLHQW#UHVSRQVH#DQG#ORDG#WUDQ0
VLHQW#UHVSRQVH#RI#WKH#544441#6HULHV#DUH#H[FHOOHQW/#WKXV#WKHVH#,&V#DUH#YHU\#VXLWDEOH#IRU#WKH#SRZHU#VXSSO\#IRU#KDQG0KHOG
FRPPXQLFDWLRQ#HTXLSPHQW1
7KH#RXWSXW#YROWDJH#RI#WKHVH#,&V#LV#IL[HG#ZLWK#KLJK#DFFXUDF\1#6LQFH#WKH#SDFNDJH#IRU#WKHVH#,&V#DUH#62705608#+0LQL0
PROG,#SDFNDJH#/#KLJK#GHQVLW\#PRXQWLQJ#RI#WKH#,&V#RQ#ERDUGV#LV#SRVVLEOH1
FEATURES
• 8OWUD0/RZ#6XSSO\#&XUUHQW11111111111111111111111111111111111111111111111111 7<31#68µ$
• 6WDQGE\#0RGH1111111111111111111111111111111111111111111111111111111111111111111111 7<31#314µ$
• /RZ#'URSRXW#9ROWDJH 1111111111111111111111111111111111111111111111111111111111 7<31#3159+,287 433P$,
• +LJK#5LSSOH#5HMHFWLRQ 111111111111111111111111111111111111111111111111111111111 7<31#:3G%+I 4N+],
• /RZ#7HPSHUDWXUH0'ULIW#&RHIILFLHQW#RI#2XWSXW#9ROWDJH 111111 7<31#“433SSP2°&
• ([FHOOHQW#/LQH#5HJXODWLRQ111111111111111111111111111111111111111111111111111 7<31#3138(29
• +LJK#2XWSXW#9ROWDJH#$FFXUDF\ 1111111111111111111111111111111111111111111 “513(
• ([FHOOHQW#/LQH#7UDQVLHQW#5HVSRQVH#DQG#/RDG#7UDQVLHQW#5HVSRQVH
• 6PDOO#3DFNDJH#111111111111111111111111111111111111111111111111111111111111111111111 62705608+0LQL0PROG,
• 2XWSXW#9ROWDJH 111111111111111111111111111111111111111111111111111111111111111111111 6WHSZLVH#VHWWLQJ#ZLWK#D#VWHS#RI#3149#LQ#WKH#UDQJH#RI#4189#WR
8139#LV#SRVVLEOH
• %XLOW0LQ#FKLS#HQDEOH#FLUFXLW##+#5#W\SHV>#$=#DFWLYH#´/µ/#%=#DFWLYH#´+µ,
• 3LQRXW11111111111111111111111111111111111111111111111111111111111111111111111111111111111 6LPLODU#WR#WKH#/35<;3
APPLICATIONS
• 3RZHU#VRXUFH#IRU#FHOOXODU#SKRQHV#VXFK#DV#*60/&'0$#DQG#YDULRXV#NLQG#RI#3&6V1
• 3RZHU#VRXUFH#IRU#HOHFWULFDO#DSSOLDQFHV#VXFK#DV#FDPHUDV/#9&5V#DQG#FDPFRUGHUV1
• 3RZHU#VRXUFH#IRU#EDWWHU\0SRZHUHG#HTXLSPHQW1
1
R1111N
BLOCK DIAGRAM
R1111NXX1A
R1111NXX1B
1
5
1
5
V
DD
VOUT
V
DD
VOUT
Vref
Vref
Current Limit
Current Limit
CE
3
GND
2
CE
3
GND
2
SELECTION GUIDE
7KH#RXWSXW#YROWDJH/#WKH#DFWLYH#W\SH/#WKH#SDFNLQJ#W\SH/#DQG#WKH#WDSLQJ#W\SH#IRU#WKH#,&V#FDQ#EH#VHOHFWHG#DW#WKH
XVHU*V#UHTXHVW1#7KH#VHOHFWLRQ#FDQ#EH#PDGH#E\#GHVLJQDWLQJ#WKH#SDUW#QXPEHU#DV#VKRZQ#EHORZ#=
54444;;;4;0;;
←3DUW#1XPEHU
↑
↑ ↑ ↑
D
E F G
Code
Contents
'HVLJQDWLRQ#RI#3DFNDJH#7\SH#=
1=62705608#+0LQL0PROG,
D
6HWWLQJ#2XWSXW#9ROWDJH#+9287,#=
E
F
G
6WHSZLVH#VHWWLQJ#ZLWK#D#VWHS#RI#3149#LQ#WKH#UDQJH#RI#4189#WR#8139#LV#SRVVLEOH1
'HVLJQDWLRQ#RI#$FWLYH#7\SH#=
$#=´/µ#DFWLYH#W\SH
%#=´+µ#DFWLYH#W\SH
'HVLJQDWLRQ#RI#7DSLQJ#7\SH#=
([1#75/#7/#+UHIHU#WR#7DSLQJ#6SHFLILFDWLRQV#>75#W\SH#LV#WKH#VWDQGDUG#GLUHFWLRQ1,
2
R1111N
PIN CONFIGURATION
SOT-23-5
5
4
V
OUT
NC
CE
(mark side)
GND
V
DD
1
2
3
PIN DESCRIPTION
Pin No.
Symbol
Description
4
5
6
7
8
9''
*1'
,QSXW#3LQ
*URXQG#3LQ
#RU#&(
&(
1&
&KLS#(QDEOH#3LQ
1R#&RQQHFWLRQ
2XWSXW#SLQ
9287
ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Rating
<
Unit
9
,QSXW#9ROWDJH
9,1
9&(
9287
3'
,QSXW#9ROWDJH+
#RU#&(#3LQ,
&(
0316#a#9,1.316
0316#a#9,1.316
583
9
2XWSXW#9ROWDJH
9
3RZHU#'LVVLSDWLRQ
P:
2SHUDWLQJ#7HPSHUDWXUH
7RSW
7VWJ
073#a#;8
°&
°&
5DQJH
6WRUDJH#7HPSHUDWXUH#5DQJH
088#a#458
3
R1111N
ELECTRICAL CHARACTERISTICS
• R1111NXX1A
7RSW 58°&
Symbol
Item
2XWSXW#9ROWDJH
Conditions
MIN.
TYP.
MAX.
Unit
9,1# #6HW#9287.49
4P$#≤#,287#≤#63P$
9287
9287
9287
9
×31<;
×4135
5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387
,287
2XWSXW#&XUUHQW
92/7$*(
9,1# #6HW#9287.49
∆92872∆,287 /RDG#5HJXODWLRQ
45
73
P9
4P$#≤#,287#≤#;3P$
5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387
9',)
'URSRXW#9ROWDJH
92/7$*(
,66
6XSSO\#&XUUHQW
9,1# #6HW#9287.49
68
:3
µ$
µ$
,VWDQGE\
6XSSO\#&XUUHQW#+6WDQGE\,
9,1# #9&(# #6HW#9287.49
314
413
6HW#9287.3189#≤#9,1#≤#;9
,287# #63P$
∆92872∆9,1 /LQH#5HJXODWLRQ
3138
:3
3153
(29
I# #4N+]/#5LSSOH#3189S0S
9,1# #6HW#9287.49
55
9,1
5LSSOH#5HMHFWLRQ
,QSXW#9ROWDJH
G%
9
;
2XWSXW#9ROWDJH
,287# #63P$
SSP
∆92872∆7
“433
7HPSHUDWXUH#&RHIILFLHQW
073°&#≤#7RSW#≤#;8°&
2°&
,OLP
538
9&(+
9&(/
HQ
6KRUW#&XUUHQW#/LPLW
9287# #39
83
8
P$
0Ω
9
#3XOO0XS#5HVLVWDQFH
#,QSXW#9ROWDJH#´+µ
#,QSXW#9ROWDJH#´/µ
&(
&(
&(
518
418
3
43
9,1
3158
9
2XWSXW#1RLVH
%:# #43+]# #433N+]
63
µ9UPV
4
R1111N
• R1111NXX1B
7RSW 58°&
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
9,1# #6HW#9287.49
4P$#≤#,287#≤#63P$
9287
9287
9287
2XWSXW#9ROWDJH
9
×31<;
×4135
5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387
,287
2XWSXW#&XUUHQW
92/7$*(
9,1# #6HW#9287.49
∆92872∆,287 /RDG#5HJXODWLRQ
45
73
P9
4P$#≤#,287#≤#;3P$
5HIHU#WR#WKH#(/(&75,&$/#&+$5$&7(5,67,&6#E\#287387
9',)
,66
'URSRXW#9ROWDJH
92/7$*(
6XSSO\#&XUUHQW
9,1# #6HW#9287.49
68
:3
µ$
µ$
9,1# #6HW#9287.49
,VWDQGE\
6XSSO\#&XUUHQW#+6WDQGE\,
314
413
9&( *1'
6HW#9287.3189#≤#9,1#≤#;9
,287# #63P$
∆92872∆9,1 /LQH#5HJXODWLRQ
3138
:3
3153
(29
I# #4.+]/#5LSSOH#3189S0S
9,1# #6HW#9287.49
55
9,1
5LSSOH#5HMHFWLRQ
,QSXW#9ROWDJH
G%
9
;
2XWSXW#9ROWDJH
,287# #63P$
SSP
∆92872∆7
“433
7HPSHUDWXUH#&RHIILFLHQW
073°&#≤#7RSW#≤#;8°&
2°&
,OLP
53'
9&(+
9&(/
HQ
6KRUW#&XUUHQW#/LPLW
&(#3XOO0GRZQ#5HVLVWDQFH
&(#,QSXW#9ROWDJH#´+µ
&(#,QSXW#9ROWDJH#´/µ
2XWSXW#1RLVH
9287# #39
83
8
P$
0Ω
9
518
418
3
43
9,1
3158
9
%:# #43+]# #433N+]
63
µ9UPV
5
R1111N
• ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
7RSW# #58°&
Output Current
IOUT (mA)
Condition
Output Voltage
MIN.
433
418#≤#9287#≤#41:
41;#≤#9287#≤#813
9,1#0#9287# #4139
483
7RSW# #58°&
Dropout Voltage
Output Voltage
VOUT (V)
VDIF (V)
MIN.
318
Condition
TYP.
MAX.
418
419
317
41:
316
41;#≤#9287#≤#41<
513#≤#9287#≤#517
518#≤#9287#≤#51:
51;#≤#9287#≤#616
617#≤#9287#≤#813
3193
3168
3157
3153
314:
4173
31:3
3168
3163
3159
,287# #433P$
6
R1111N
OPERATION
R1111NXX1A
R1111NXX1B
1
5
1
5
VDD
VOUT
VDD
VOUT
R1
R1
R2
Vref
Vref
R2
Current Limit
Current Limit
CE
GND
CE
3
GND
3
2
2
,Q#WKHVH#,&V/#IOXFWXDWLRQ#RI#2XWSXW#9ROWDJH/#9287#LV#GHWHFWHG#E\#)HHG0EDFN#5HJLVWHUV#54/#55/#DQG#WKH#UHVXOW#LV
FRPSDUHG#ZLWK#D#UHIHUHQFH#YROWDJH#E\#(UURU#$PSOLILHU/#VR#WKDW#D#FRQVWDQW#YROWDJH#LV#RXWSXW1#$#FXUUHQW#OLPLW#FLUFXLW#IRU
3URWHFWLRQ#DW#VKRUW#PRGH#DQG#D#FKLS#HQDEOH#FLUFXLW#DUH#LQFOXGHG1
7
R1111N
TEST CIRCUITS
CE
CE
3
3
V
DD
VOUT
V
DD
V
OUT
IN
OUT
IN
OUT
1
5
1
5
R1111Nxx1B Series
R1111Nxx1B Series
I
OUT
I
SS
2.2µF
2.2µF
2
2
GND
GND
0.1µF
0.1µF
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
CE
3
CE
3
V
DD
VOUT
V
DD
VOUT
IN
OUT
IN
OUT
1
5
1
5
R1111Nxx1B Series
R1111Nxx1B Series
I
OUT
P. G
2
2
GND
GND
1µF
I1 I2
Fig.3 Ripple Rejection, Line Transient Response
Test Circuit
Fig.4 Load Transient Response Test Circuit
8
R1111N
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1111N181B
R1111N301B
Topt = 25°C
Topt = 25°C
2.0
3.5
3.0
2.5
2.0
1.5
1.0
1.8
5.0V
3.8V
1.6
1.4
1.2
1.0
0.8
0.6
0.4
4.0V
2.8V
2.3V
3.5V
V
IN = 3.3V
V
IN = 2.1V
200
0.5
0.0
0.2
0.0
0
100
300
400
500
0
100
200
300
400
500
Output Current IOUT (mA)
Output Current IOUT (mA)
R1111N401B
R1111N501B
Topt = 25°C
Topt = 25°C
6.0
5.0
4.0
3.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
7.0V
6.0V
5.0V
6.0V
5.5V
4.5V
V
IN = 4.3V
2.0
1.0
0.0
V
IN = 5.3V
0.5
0.0
0
100
200
300
400
500
0
100
200
300
400
500
Output Current IOUT (mA)
Output Current IOUT (mA)
2) Output Voltage vs. Input Voltage
R1111N181B
R1111N301B
Topt = 25°C
Topt = 25°C
3.1
3.0
2.9
2.8
2.0
1.9
I
OUT=1mA
I
OUT = 1mA
1.8
1.7
1.6
1.5
1.4
2.7
2.6
2.5
30mA
30mA
1.3
1.2
50mA
2.0 3.0
Input Voltage VIN (V)
50mA
3.0
2.0
4.0
5.0
6.0
7.0
8.0
1.0
4.0
5.0
6.0
7.0
8.0
Input Voltage VIN (V)
9
R1111N
R1111N401B
R1111N501B
Topt = 25°C
Topt = 25°C
4.5
5.5
5.0
4.5
4.0
3.5
I
OUT = 1mA
4.0
3.5
I
OUT = 1mA
30mA
3.0
2.5
30mA
50mA
4.0
3.0
2.5
50mA
3.0
2.0
4.0
5.0
6.0
7.0
8.0
2.0
3.0
5.0
6.0
7.0
8.0
Intput Voltage VIN (V)
Intput Voltage VIN (V)
3) Dropout Voltage vs. Output Current
R1111N181B
R1111N301B
1.20
0.40
0.35
0.30
0.25
0.20
0.15
0.10
1.00
Topt = 85°C
Topt = 85°C
25°C
0.80
0.60
0.40
25°C
-40°C
-40°C
0.20
0.00
0.05
0.00
0
50
100
150
0
50
100
150
Output Current IOUT (mA)
Output Current IOUT (mA)
R1111N401B
R1111N501B
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.40
0.35
0.30
0.25
0.20
0.15
0.10
Topt = 85°C
Topt = 85°C
25°C
25°C
-40°C
-40°C
0.05
0.00
0.05
0.00
0
50
100
150
0
50
100
150
Output Current IOUT (mA)
Output Current IOUT (mA)
10
R1111N
4) Output Voltage vs. Temperature
R1111N181B
R1111N301B
V
IN = 4.0V
V
IN = 2.8V
I
OUT = 30mA
I
OUT = 30mA
3.10
3.08
3.06
3.04
3.02
3.00
2.98
2.96
2.94
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
2.92
2.90
1.72
1.70
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt
Temperature Topt
R1111N401B
R1111N501B
V
IN = 5.0V
V
IN = 6.0V
I
OUT = 30mA
I
OUT = 30mA
4.10
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
5.10
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
3.92
3.90
4.92
4.90
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt
°
Temperature Topt
°
5) Supply Current vs. Input Voltage
R1111N181B
R1111N301B
Topt = 25°C
Topt = 25°C
60
50
40
30
60
50
40
30
20
10
0
20
10
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Input Voltage VIN (V)
Input Voltage VIN (V)
11
R1111N
R1111N401B
R1111N501B
Topt = 25°C
Topt = 25°C
60
60
50
40
30
20
50
40
30
20
10
0
10
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
Intput Voltage VIN (V)
Intput Voltage VIN (V)
6) Supply Current vs. Temperature
R1111N181B
R1111N301B
V
IN = 2.8V
V
IN = 4.0V
50
45
40
35
30
50
45
40
35
30
25
20
25
20
-50
0
50
100
-50
0
50
100
Temperature Topt (°C)
Temperature Topt (°C)
R1111N401B
R1111N501B
VIN = 5.0V
V
IN = 6.0V
50
50
45
40
35
30
45
40
35
30
25
20
25
20
-50
0
50
100
-50
0
50
100
Temperature Topt (°C)
Temperature Topt (°C)
12
R1111N
7) Dropout Voltage vs. Set Output Voltage
R1111N××1B
Topt = 25
1.0
0.9
IOUT = 150mA
IOUT = 100mA
IOUT = 50mA
IOUT = 30mA
IOUT = 10mA
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.0
2.0
3.0
4.0
5.0
Set Output Voltage Vreg (V)
8) Ripple Rejection vs. Frequency
R1111N181B
R1111N181B
V
IN = 2.8VDC + 0.5Vp-p
V
IN = 2.8VDC + 0.5Vp-p
COUT = tantal 2.2µF
COUT = tantal 1.0µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
I
I
OUT = 1mA
I
OUT= 1mA
I
I
OUT = 30mA
OUT = 50mA
OUT = 30mA
I
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequuency f (kHz)
Frequuency f (kHz)
R1121N301B
R1121N301B
V
IN = 4VDC + 0.5Vp-p
V
IN = 4VDC + 0.5Vp-p
COUT = tantal 2.2µF
COUT = tantal 1.0µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
I
I
I
OUT = 1mA
I
I
I
OUT = 1mA
OUT = 30mA
OUT = 50mA
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequuency f (kHz)
Frequuency f (kHz)
13
R1111N
R1111N401B
R1111N401B
V
IN = 5.0VDC + 0.5Vp-p
VIN = 5.0VDC + 0.5Vp-p
COUT = tantal 2.2µF
COUT = tantal 1.0µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT = 1mA
I
OUT= 1mA
IOUT = 30mA
IOUT = 50mA
I
I
OUT = 30mA
OUT = 50mA
0.1
1
10
100
0.1
1
10
100
Frequeney f (kHz)
Frequeney f (kHz)
9) Ripple Rejection vs. Input Voltage (DC bias)
R1111N301B
R1111N301B
I
OUT = 10mA
I
OUT = 1mA
COUT = 2.2µF
COUT = 2.2µF
80
80
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
f = 400Hz
f = 1kHz
f = 400Hz
f = 1kHz
f = 10kHz
3.4
f = 10kHz
3.1
3.2
3.3
Input Voltage VIN (V)
3.4
3.5
3.1
3.2
3.3
Input Voltage VIN (V)
3.5
R1111N301B
I
OUT = 50mA
COUT = 2.2µF
80
f = 400Hz
f = 1kHz
70
60
50
40
30
20
10
0
f = 10kHz
3.1
3.2
3.3
3.4
3.5
Input Voltage VIN (V)
14
R1111N
10) Line Transient Response
R1111N301B
I
OUT=30mA
tr=tf=5 µs
OUT=Tantalum 1.0µF
C
3.4
3.3
3.2
6
5
4
Input Voltage
3
2
1
0
3.1
3.0
Output Voltage
2.9
2.8
0
20
40
60
80
100
120
Time t (µs)
R1111N301B
I
OUT=30mA
tr=tf=5 µs
OUT=Tantalum 2.2µF
C
3.4
3.3
3.2
6
5
4
3
2
1
0
Input Voltage
3.1
3.0
Output Voltage
2.9
2.8
0
20
40
60
80
100
120
Time t (µs)
R1111N301B
I
OUT=30mA
tr=tf=5 µs
COUT=Tantalum 4.7µF
3.4
3.3
3.2
6
5
4
3
2
1
0
Input Voltage
3.1
3.0
Output Voltage
2.9
2.8
0
20
40
60
80
100
120
Time t (µs)
15
R1111N
11) Load Transient Response
R1111N301B
VIN=4V
CIN=Tantalum 1µF
COUT=Tantalum 1.0µF
3.4
3.3
3.2
150
100
50
Output Current
Output Voltage
0
3.1
3.0
uCernt
-50
-100
-150
2.9
2.8
10
0
0
0
2
2
2
4
4
4
6
6
6
8
12
14
16
18
20
20
20
Time t (µs)
R1111N301B
V
C
C
IN=4V
IN=Tantalum 1µF
OUT=Tantalum 2.2µF
3.4
3.3
3.2
150
100
50
Output Current
Output Voltage
0
3.1
3.0
-50
-100
-150
2.9
2.8
10
8
12
14
16
18
Time t (µs)
R1111N301B
V
C
C
IN=4V
IN=Tantalum 1µF
OUT=Tantalum 4.7µF
3.4
3.3
3.2
150
100
50
Output Current
0
3.1
3.0
Output Voltage
-50
-100
-150
2.9
2.8
10
8
12
14
16
18
Time t (µs)
16
R1111N
TECHNICAL NOTES
:KHQ#XVLQJ#WKHVH#,&V/#FRQVLGHU#WKH#IROORZLQJ#SRLQWV=
,Q#WKHVH#,&V/#SKDVH#FRPSHQVDWLRQ#LV#PDGH#IRU#VHFXULQJ#VWDEOH#RSHUDWLRQ#HYHQ#LI#WKH#ORDG#FXUUHQW#LV#YDULHG1#)RU
WKLV#SXUSRVH/#EH#VXUH#WR#XVH#D#FDSDFLWRU#&287#ZLWK#JRRG#IUHTXHQF\#FKDUDFWHULVWLFV#DQG#(65#+(TXLYDOHQW#6HULHV#5H0
VLVWDQFH,#RI#ZKLFK#LV#LQ#WKH#UDQJH#GHVFULEHG#DV#IROORZV=
3
1
5
V
OUT
CE
Ceramic
Capacitor
R1111N301B
Spectrum
Analyzer
S.A.
ESR
V
IN
GND
2
VIN
I
OUT
Ceramic Capacitor 1µF
Measuring Circuit for white noise;R1111N301B
7KH#UHODWLRQV#EHWZHHQ#,287#+2XWSXW#&XUUHQW,#DQG#(65#RI#2XWSXW#&DSDFLWRU#DUH#VKRZQ#EHORZ1#7KH#FRQGLWLRQV
ZKHQ#WKH#ZKLWH#QRLVH#OHYHO#LV#XQGHU#73µ9+$YJ1,#DUH#PDUNHG#DV#WKH#KDWFKHG#DUHD#LQ#WKH#JUDSK1
+QRWH=#:KHQ#WKH#DGGLWLRQDO#FHUDPLF#FDSDFLWRUV#DUH#FRQQHFWHG#WR#WKH#2XWSXW#3LQ#ZLWK#2XWSXW#FDSDFLWRU#IRU#SKDVH#FRP0
SHQVDWLRQ/#WKH#RSHUDWLRQ#PLJKW#EH#XQVWDEOH1#%HFDXVH#RI#WKLV/#WHVW#WKHVH#,&V#ZLWK#DV#VDPH#H[WHUQDO#FRPSRQHQWV#DV
RQHV#WR#EH#XVHG#RQ#WKH#3&%1,
?PHDVXULQJ#FRQGLWLRQV!
+4, 9,1 79
+5, )UHTXHQF\#EDQG=#43+]#WR#40+]
+6, 7HPSHUDWXUH=#58°&
R1111N301B
R1111N301B
Ceramic 1.0µF
Ceramic 2.2µF
100.0
10.0
100.0
10.0
1.0
1.0
0.1
0.1
0
50
100
150
0
50
100
150
Output Current IOUT (mA)
Output Current IOUT (mA)
17
R1111N
• 0DNH#9''#DQG#*1'#OLQH#VXIILFLHQW1#:KHQ#WKH#LPSHGDQFH#RI#WKHVH#LV#KLJK/#WKH#QRLVH#PLJKW#EH#SLFNHG#XS#RU#QRW#ZRUN
FRUUHFWO\1
• &RQQHFW#WKH#FDSDFLWRU#ZLWK#D#FDSDFLWDQFH#RI#4µ)#RU#PRUH#EHWZHHQ#9''#DQG#*1'#DV#FORVH#DV#SRVVLEOH1
• 6HW#H[WHUQDO#FRPSRQHQWV/#HVSHFLDOO\#2XWSXW#&DSDFLWRU/#DV#FORVH#DV#SRVVLEOH#WR#WKH#,&V#DQG#PDNH#ZLULQJ#VKRUWHVW1
TYPICAL APPLICATION
CE
CE
IN
VDD
V
OUT
OUT IN
VDD
V
OUT
OUT
R1111NXX1A
GND
R1111Nxx1B
GND
Cap.
Cap.
Cap.
Cap.
18
相关型号：
SI9130DB
5- and 3.3-V Step-Down Synchronous ConvertersWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9135LG-T1
SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9135LG-T1-E3
SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9135_11
SMBus Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9136_11
Multi-Output Power-Supply ControllerWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9130CG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9130LG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9130_11
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9137
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9137DB
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9137LG
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
SI9122E
500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification DriversWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
-
VISHAY
©2020 ICPDF网 联系我们和版权申明