RICOH R1112N

LOW NOISE 150mA LDO REGULATOR
NO. EA-059-0204
OUTLINE
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FEATURES
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APPLICATIONS
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1
R1112N
BLOCK DIAGRAM
R1112Nxx1A
1
R1112Nxx1B
5
1
VOUT
VDD
VDD
Vref
VOUT
Vref
Current Limit
CE
5
3
GND
2
CE
Current Limit
3
GND
2
SELECTION GUIDE
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Code
Contents
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R1112N
PIN CONFIGURATION
SOT-23-5
5
4
VOUT
NC
(mark side)
VDD
GND
CE
1
2
3
PIN DESCRIPTION
Pin No.
Symbol
Description
5
!(# >(
A4
A (>(
-
#(>(
C
((
(
.
5
# #(
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
D
5
5
!(# 5
5
!(# 5/ >(0
-E5F-
5
5
# 5
-E5F-
5
!
# (
'3
>
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.
'G
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CE9.
°
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..E.
°
3
R1112N
ELECTRICAL CHARACTERISTICS
• R1112Nxx1A
Symbol
#7.°
Item
5
# 5
!
# (
∆5∆! 2 (
Min.
Typ.
Max.
575F5
5
5
'3≤!≤-'3
×69
×
5575
Unit
5
.
575F5
'3
'3≤!≤9'3
C
'5
*2!32833!!$1>1
5
4# 5
!
##$ (
575F5
D
µ3
##$ (/($0
57575F5
µ3
.
=5
!($
∆5∆5
2( (
##)
(
5
!(# 5
523A
5F.5≤5≤5
!7-'3
*7,8;%##.5##
9
575F5
# 5
!7-'3
'# **
(
C°≤#≤9.°
!'
(2'
575
> #(
.
5
!(# 5H8I
5
!(# 5H2I
∆5∆
(
4
Conditions
# :G78;,8;
:
##'
<
°
-
.
5
'3
Ω
.
5
5
.
5
-
µ5'
R1112N
• R1112Nxx1B
Symbol
#7.°
Item
5
# 5
!
# (
∆5∆! 2 (
5
4# 5
!
##$ (
!($
##$ (/($0
∆5∆5
2( (
##)
(
5
!(# 5
Conditions
Min.
5
5
'3≤!≤-'3
×69
×
5575
5
575F5
'3
'3≤!≤9'3
C
'5
*2!32833!!$1>1
523A
575F5
575F5
57A4
5F.5≤5≤5
!7-'3
*7,8;%##.5##
D
µ3
µ3
.
=5
9
575F5
'# **
(
C°≤#≤9.°
!'
(2'
575
> "((
.
5
!(# 5H8I
5
!(# 5H2I
# Unit
.
!7-'3
(
Max.
575F5
# 5
∆5∆
Typ.
:
##'
<
°
-
'3
Ω
.
5
5
.
5
:G78;,8;
.
5
-
µ5'
• ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
#7.°
Dropout Voltage
Output Voltage
VDIF (V)
VOUT (V)
Condition
Typ.
Max.
.≤5≤
-
..
D≤5≤9
9
CD
.
-.
C≤5≤D
6
9≤5≤.
6
6≤5≤-
!7'3
5
R1112N
OPERATION
R1112Nxx1A
1
R1112Nxx1B
5
VDD
1
VOUT
5
VDD
VOUT
R1
R1
Vref
CE
Vref
Current Limit
3
R2
GND
2
CE
3
Current Limit
R2
GND
2
!( !% * ( * # % 5 $ *
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TECHNICAL NOTES
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6
R1112N
TEST CIRCUITS
CE
CE
3
IN
VDD
1
3
VOUT
R1112Nxx1B Series
5
OUT
VDD
1
IN
IOUT
VOUT
R1112Nxx1B Series
2
GND
GND
2.2µF
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
CE
CE
3
IN
VDD
1
OUT
ISS
2
2.2µF
5
3
VOUT
R1112Nxx1B Series
5
OUT
IN
VDD
1
VOUT
R1112Nxx1B Series
OUT
5
IOUT
P.G
2
2
GND
Fig.3 Ripple Rejection, Line Transient Response
2.2µF
GND
I1
I2
Fig.4 Load Transient Response Test Circuit
Test Circuit
7
R1112N
TYPICAL APPLICATION
CE
CE
IN
VDD R1112Nxx1A
Series
GND
Cap.
OUT
VOUT
Cap.
IN
VDD
Cap.
/&('#((0
# #
? '
µJ/ # 5((*'..50
'
CDµJ/ # 5((*'..50
!(# #
?
8
'
µJ
OUT
R1112Nxx1B VOUT
Series
GND
Cap.
R1112N
TYPICAL CHARACTERISTICS
Output Voltage vs. Output Current
R11x2N151B
R11x2N201B
2.5
1.8
Output Voltage VOUT(V)
Output Voltage VOUT(V)
1.6
1.4
VIN=2.0V
VIN=2.5V
VIN=3.5V
1.2
1
0.8
0.6
0.4
2
VIN=2.3V
1.5
VIN=2.5V
VIN=3.0V
VIN=4.0V
1
0.5
0.2
0
0
0
100
200
300
400
0
500
R11x2N301B
200
300
400
500
R11x2N401B
3.5
5
3
Output Voltage VOUT(V)
Output Voltage VOUT(V)
100
Output Current IOUT(mA)
Output Current IOUT(mA)
2.5
VIN=3.3V
2
VIN=3.5V
VIN=4.0V
1.5
VIN=5.0V
1
0.5
0
4
VIN=4.3V
3
VIN=4.5V
VIN=5.0V
VIN=6.0V
2
1
0
0
100
200
300
400
500
Output Current IOUT(mA)
0
100
200
300
400
500
Output Current IOUT(mA)
R11x2N501B
6
Output Voltage VOUT(V)
1)
5
4
VIN=5.3V
VIN=5.5V
3
VIN=6.0V
VIN=7.0V
2
1
0
0
100
200
300
400
500
Output Current IOUT(mA)
9
R1112N
2)
Output Voltage vs. Input Voltage
R11x2N201B
2.100
1.500
2.000
Output Voltage VOUT(V)
Output Voltage VOUT(V)
R11x2N151B
1.600
1.400
1.300
1.200
IOUT=1mA
IOUT=30mA
IOUT=50mA
1.100
1.000
1.900
1.800
1.700
IOUT=1mA
IOUT=30mA
IOUT=50mA
1.600
1.500
1
2
3
4
5
6
7
1
2
3
Input Voltage VIN(V)
R11x2N301B
3.000
Output Voltage VOUT(V)
Output Voltage VOUT(V)
6
7
4.500
2.900
2.800
2.700
IOUT=1mA
IOUT=30mA
IOUT=50mA
2.600
2.500
4.000
3.500
3.000
IOUT=1mA
IOUT=30mA
IOUT=50mA
2.500
2
3
4
5
6
7
Input Voltage VIN(V)
R11x2N501B
5.000
4.500
4.000
3.500
IOUT=1mA
IOUT=30mA
IOUT=50mA
3.000
2.500
2
3
4
5
Input Voltage VIN(V)
2
3
4
5
Input Voltage VIN(V)
5.500
Output Voltage VOUT(V)
5
R11x2N401B
3.100
10
4
Input Voltage VIN(V)
6
7
6
7
R1112N
Dropout Voltage vs. Output Current
R11x2N151B
R11x2N201B
0.600
0.500
Topt=-40°C
Topt=25°C
Topt=85°C
0.400
Dropout Voltage VDIF(V)
Dropout Voltage VDIF(V)
0.600
0.300
0.200
0.100
0.000
0.500
Topt=-40°C
Topt=25°C
Topt=85°C
0.400
0.300
0.200
0.100
0.000
0
50
100
150
0
Output Current IOUT(mA)
R11x2N301B
100
150
R11x2N401B
0.600
0.500
Topt=-40°C
Topt=25°C
Topt=85°C
0.400
Dropout Voltage VDIF(V)
Dropout Voltage VDIF(V)
50
Output Current IOUT(mA)
0.600
0.300
0.200
0.100
0.000
0.500
Topt=-40°C
Topt=25°C
Topt=85°C
0.400
0.300
0.200
0.100
0.000
0
50
100
150
Output Current IOUT(mA)
0
50
100
150
Output Current IOUT(mA)
R11x2N501B
0.600
Dropout Voltage VDIF(V)
3)
0.500
Topt=-40°C
Topt=25°C
Topt=85°C
0.400
0.300
0.200
0.100
0.000
0
50
100
150
Output Current IOUT(mA)
11
R1112N
4)
Output Voltage vs. Temperature
R11x2N151A/B
R11x2N201B
VIN=2.5V CIN=1µF
COUT=2.2µF IOUT=30mA
VIN=3.0V CIN=1µF
COUT=2.2µF IOUT=30mA
1.53
2.10
Output VoltageVOUT(V)
Output VoltageVOUT(V)
2.08
1.52
1.51
1.50
1.49
1.48
2.06
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.47
1.90
-50
-25
0
25
50
Temperature Topt (°C)
75
100
-50
R11x2N301A/B
100
4.08
4.06
3.04
Output VoltageVOUT(V)
Output VoltageVOUT(V)
75
VIN=5.0V CIN=1µF
COUT=2.2µF IOUT=30mA
3.06
3.02
3.00
2.98
2.96
4.04
4.02
4.00
3.98
3.96
3.94
3.92
2.94
-50
-25
0
25
50
Temperature Topt (°C)
75
100
R11x2N501A/B
VIN=6.0V CIN=1µF
COUT=2.2µF IOUT=30mA
5.10
5.08
Output VoltageVOUT(V)
0
25
50
Temperature Topt (°C)
R11x2N401A/B
VIN=4.0V CIN=1µF
COUT=2.2µF IOUT=30mA
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
-50
12
-25
-25
0
25
50
Temperature Topt (°C)
75
100
-50
-25
0
25
50
Temperature Topt (°C)
75
100
R1112N
Supply Current vs. Input Voltage
R11x2N151B
R11x2N201B
120
Supply Current ISS (µA)
Supply Current ISS (µA)
120
100
80
60
40
100
80
60
40
20
20
0
0
1
2
3
4
5
Input Voltage VIN (V)
6
1
7
2
R11x2N301B
6
7
6
7
120
Supply Current ISS (µA)
Supply Current ISS (µA)
3
4
5
Input Voltage VIN (V)
R11x2N401B
120
100
80
60
40
20
100
80
60
40
20
0
0
1
2
3
4
5
Input Voltage VIN (V)
6
7
6
7
1
2
3
4
5
Input Voltage VIN (V)
R11x2N501B
120
Supply Current ISS (µA)
5)
100
80
60
40
20
0
1
2
3
4
5
Input Voltage VIN (V)
13
R1112N
6)
Supply Current vs. Temperature
R11x2N151A/B
150
100
50
0
-50
-25
50
75
0
25
Temperature Topt (°C)
VIN=3.0V CIN=1µF
COUT=2.2µF
200
Supply Current ISS (µA)
200
Supply Current ISS (µA)
R11x2N201A/B
VIN=2.5V CIN=1µF
COUT=2.2µF
150
100
50
0
-50
100
-25
R11x2N301A/B
100
50
-25
50
75
0
25
Temperature Topt (°C)
100
R11x2N501A/B
VIN=6.0V CIN=1µF
COUT=2.2µF
Supply Current ISS (µA)
200
150
100
50
0
-50
14
-25
50
75
0
25
Temperature Topt (°C)
100
VIN=5.0V CIN=1µF
COUT=2.2µF
200
Supply Current ISS (µA)
Supply Current ISS (µA)
150
0
-50
100
R11x2N401A/B
VIN=4.0V CIN=1µF
COUT=2.2µF
200
0
25
50
75
Temperature Topt (°C)
150
100
50
0
-50
-25
50
75
0
25
Temperature Topt (°C)
100
R1112N
Ripple Rejection vs. Frequency
R11x2N151A/B
R11x2N201A/B
VIN=2.5V+0.5Vp-p
COUT=2.2µF IOUT=30mA
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
90.00
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
90.00
1
10
Frequency Freq (kHz)
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
100
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
1
10
Frequency Freq (kHz)
1
10
Frequency Freq (kHz)
100
R11x2N401A/B
VIN=4.0V+0.5Vp-p
COUT=2.2µF IOUT=30mA
90.00
Ripple Rejection RR (dB)
Ripple Rejection RR (dB)
90.00
VIN=3.0V+0.5Vp-p
COUT=2.2µF IOUT=30mA
80.00
R11x2N301A/B
100
VIN=5.0V+0.5Vp-p
COUT=2.2µF IOUT=30mA
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
1
10
Frequency Freq (kHz)
100
R11x2N501A/B
90.00
Ripple Rejection RR (dB)
7)
VIN=6.0V+0.5Vp-p
COUT=2.2µF IOUT=30mA
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
0.1
1
10
Frequency Freq (kHz)
100
15
R1112N
8)
Ripple Rejection vs. Input Voltage (DC bias)
R11x2N301B
80.00
70.00
60.00
50.00
40.00
30.00
f=400Hz
f=1kHz
f=10kHz
20.00
10.00
0.00
3.10
3.50
3.20
3.30
3.40
Input Voltage VIN (V)
90.00
Ripple Rejection RR (dB)
90.00
Ripple Rejection RR (dB)
R11x2N301B
COUT=Ceramic 2.2µF
IOUT=1mA
COUT=Ceramic 2.2µF
IOUT=10mA
80.00
70.00
60.00
50.00
40.00
30.00
20.00
10.00
0.00
3.10
f=400Hz
f=1kHz
f=10kHz
3.50
3.20
3.30
3.40
Input Voltage VIN (V)
R11x2N301B
COUT=Ceramic 2.2µF
IOUT=50mA
Ripple Rejection RR (dB)
90.00
80.00
70.00
60.00
50.00
40.00
30.00
0.00
3.10
9)
f=400Hz
f=1kHz
f=10kHz
20.00
10.00
3.20
3.30
3.40
Input Voltage VIN (V)
3.50
Input Transient Response
#7.°
R11x2N151B
Tek Run : 2.50MS/s Average
VIN
1→
2→
57.5↔-.5
VOUT
!7-'3
7((
7µJ
Ch1
Ch1
16
1.00V
Ch2 20.0mV
M20.0µs
*7.µ
R1112N
#7.°
R11x2N201B
Tek Run : 2.50MS/s Average
VIN
1→
2→
57-5↔C5
VOUT
!7-'3
7((
7µJ
Ch1
1.00V
Ch2 20.0mV
M20.0µs
*7.µ
#7.°
R11x2N301B
Tek Run : 2.50MS/s Average
VIN
1→
2→
57C5↔.5
VOUT
!7-'3
7((
7µJ
Ch1
1.00V
Ch2 20.0mV
M20.0µs
*7.µ
#7.°
R11x2N401B
Tek Run : 2.50MS/s Average
VIN
1→
2→
57.5↔5
VOUT
!7-'3
7((
7µJ
Ch1
1.00V
Ch2 20.0mV
M20.0µs
*7.µ
17
R1112N
#7.°
R11x2N501B
Tek Run : 2.50MS/s Average
VIN
1→
2→
575↔D5
VOUT
!7-'3
7((
7µJ
Ch1
1.00V
Ch2 20.0mV
M20.0µs
*7.µ
10) Load Transient Response
R11x2N151B
#7.°
Tek Run : 2.50MS/s Average
1→
IOUT
!7.'3↔'3
VOUT
57.5
2→
7µJ
7µJ
Ch1 500mV
Ch2 50.0mV
M20.0µs
*7.µ
#7.°
R11x2N201B
Tek Run : 2.50MS/s Average
1→
IOUT
!7.'3↔'3
VOUT
57-5
2→
7µJ
7µJ
Ch1 500mV
18
Ch2 50.0mV
M20.0µs
*7.µ
R1112N
#7.°
R11x2N301B
Tek Run : 2.50MS/s Average
1→
IOUT
!7.'3↔'3
VOUT
57C5
2→
7µJ
7µJ
Ch1 500mV
Ch2 50.0mV
M20.0µs
*7.µ
#7.°
R11x2N401B
Tek Run : 2.50MS/s Average
1→
IOUT
!7.'3↔'3
VOUT
57.5
2→
7µJ
7µJ
Ch1 500mV
Ch2 50.0mV
M20.0µs
*7.µ
#7.°
R11x2N501B
Tek Run : 2.50MS/s Average
1→
IOUT
!7.'3↔'3
VOUT
575
2→
7µJ
7µJ
Ch1 500mV
Ch2 50.0mV
M20.0µs
*7.µ
19
R1112N
TECHNICAL NOTES
G( (!%
(*"(#(@
!(!%#
'#(('*
(#((*
(J
# #% #
"*+ (
$
(/+ ((
0
*"
((
*"@
3 CE
VOUT1 5
R1112Nxx1B
VIN
Ceramic
Cap.
1 VIN
GND
Ceramic
Cap.
S.A
ESR
2
Spectrum
Analyzer
IOUT
Measuring Circuit for white noise; R1112Nxx1B
(#"(!/ # (0(* # #
"((#"
(("("( (Cµ5/30(
$
(#
/@G((
'
#
((
# #(" # #
*#
'#(
(%#(' (:
*%!"'&(
'#(((
(>:0
M (((N
/0 575F5
/0 J+ (
$(@8;8;
R11x2N151B
R11x2N151B
COUT=2.2µF,CIN=2.2µF
COUT=4.7µF,CIN=2.2µF
100
100
10
10
ESR (Ω)
ESR (Ω)
/-0 '# @.°
1
0.1
0.1
0.01
0.01
0
20
1
30
90
60
IOUT (mA)
120
150
0
30
90
60
IOUT (mA)
120
150
R11x2N301B
R11x2N301B
COUT=2.2µF,CIN=2.2µF
COUT=4.7µF,CIN=2.2µF
100
100
10
10
ESR (Ω)
ESR (Ω)
R1112N
1
0.1
1
0.1
0.01
0.01
0
30
90
60
IOUT (mA)
120
150
0
30
90
60
IOUT (mA)
120
150
21