R1180Q181B-TR-FA [RICOH]
Fixed Positive LDO Regulator, 1.8V, 0.75V Dropout, CMOS, PDSO4, MINI, SC-82AB, 4 PIN;型号: | R1180Q181B-TR-FA |
厂家: | RICOH ELECTRONICS DEVICES DIVISION |
描述: | Fixed Positive LDO Regulator, 1.8V, 0.75V Dropout, CMOS, PDSO4, MINI, SC-82AB, 4 PIN 光电二极管 输出元件 调节器 |
文件: | 总15页 (文件大小:200K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
150mA LDO REGULATOR
NO. EA-105-0504
R1180x SERIES
OUTLINE
The R1180x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low
supply current, and low ON-resistance. Each of these ICs consists of a voltage reference unit, an error amplifier,
resistor-net for voltage setting, a current limit circuit which prevents the destruction by excess current, and so on.
The output voltage of these ICs is fixed with high accuracy. B version has a chip enable pin, therefore ultra-low
consumption current standby mode can be realized with the pin.
Since the packages for these ICs are SOT-23-5 (R1180N Series), SC-82AB (R1180Q Series), and SON1612-6
(R1180D Series), therefore high density mounting of the ICs on boards is possible.
FEATURES
• Low Supply Current ..........................................Typ. 1µA(Except the current through CE pull-down circuit)
• Standby Mode...................................................Typ. 0.1µA
• Low Dropout Voltage.........................................Typ. 0.25V (IOUT=150mA 3.0V Output type)
• Low Temperature-Drift Coefficient of Output Voltage Typ. ±100ppm/°C
• Good Line Regulation .......................................Typ. 0.05%/V
• High Output Voltage Accuracy ..........................±2.0%
• Small Packages ..............................................SOT-23-5(R1180N)/SC-82AB(R1180Q)/
SON1612-6 (R1180D)
• Output Voltage ..................................................Stepwise setting with a step of 0.1V in the range of 1.2V to
3.6V is possible
• Built-in Fold Back Protection Circuit .................Typ. 40mA (Current at short mode)
• Ceramic capacitors are recommended to be used with this IC 0.1µF
APPLICATIONS
• Stable voltage reference.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.
1
R1180x
BLOCK DIAGRAMS
R1180xxx1B
R1180xxx1C
VDD
VDD
VOUT
VOUT
Vref
Vref
Current Limit
Current Limit
CE
GND
GND
SELECTION GUIDE
The output voltage, version, and the taping type for the ICs can be selected at the user's request.
The selection can be made with designating the part number as shown below:
R1180xxx1x-TR ←Part Number
↑ ↑
↑
↑
a b
c
d
Code
Contents
Designation of Package Type :
N: SOT-23-5 (Mini mold)
a
Q: SC-82AB (Super-mini mold) D: SON1612-6
Setting Output Voltage (VOUT) :
Stepwise setting with a step of 0.1V in the range of 1.2V to 3.6V is possible.
b
c
d
Designation of Active Type :
B : active high type
C : without chip enable circuit
Designation of Taping Type :
Ex. TR (refer to Taping Specifications; TR type is the standard direction.)
PIN CONFIGURATION
ꢀSOT-23-5
ꢀSC-82AB
ꢀSON1612-6
6 5 4
5
4
4
3
1 2 3
(mark side)
(mark side)
1
2
1
2
3
2
R1180x
PIN DESCRIPTIONS
• SC-82AB (R1180Qxx1B/C)
Pin No
Symbol
Pin Description
Chip Enable Pin or No Connection
1
2
3
4
CE or NC
GND
Ground Pin
Output pin
Input Pin
VOUT
VDD
• SOT-23-5 (R1180Nxx1B/C)
Pin No
Symbol
Pin Description
1
2
3
4
5
VDD
GND
Input Pin
Ground Pin
CE or NC
NC
Chip Enable Pin or No Connection
No Connection
VOUT
Output pin
• SON1612-6 (R1180Dxx1B/C)
Pin No
Symbol
VDD
Pin Description
1
2
3
4
5
6
Input Pin
GND
Ground Pin
VOUT
Output pin
NC
No Connection
Ground Pin
GND
CE or NC
Chip Enable Pin or No Connection
3
R1180x
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
V
VIN
Input Voltage
6.5
6.5
VCE
Input Voltage(CE Pin)
V
VOUT
IOUT
Output Voltage
V
−0.3 ~ VIN+0.3
180
Output Current
mA
Power Dissipation(SC82-AB)
Power Dissipation(SOT23-5)
Power Dissipation(SON1612-6)
Operating Temperature Range
Storage Temperature Range
150
PD
mW
250
Note1
500∗
Topt
Tstg
−40 ~ 85
°C
°C
−55 ~ 125
∗Note 1: This specification is at mounted on board.
PD depends on conditions of mounting on board. This specification is based on the measurement at the
condition below:
∗Measurement Conditions
Environment: Mounted on board (Wind velocity 0m/s)
Board Material: FR-4 (2-layer)
Board dimensions : 40mm × 40mm × t1.6mm
Copper Area : 50%
700
600
500
400
300
200
100
0
0
25
50
75
100
125
Temperature Topt(͠)
4
R1180x
ELECTRICAL CHARACTERISTICS
• R1180xxx1B/R1180xxx1C
Topt=25°C
Symbol
VOUT
Item
Output Voltage
Conditions
Min.
Typ.
Max.
Unit
VOUT
×0.980
VOUT
×1.020
VIN = Set VOUT+1V
V
1µA
IOUT
30mA
=
=
IOUT
Output Current
150
mA
mV
VIN - VOUT = 1.0V
VIN = Set VOUT+1V
Load Regulation
20
40
∆VOUT/∆IOUT
1µA
IOUT
150mA
=
=
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT
VOLTAGE
VDIF
ISS
Dropout Voltage
Supply Current
1.0
1.5
VIN = Set VOUT+1V, IOUT=0mA
µA
VIN = Set VOUT+1V
VCE = GND(B version)
Istandby
Supply Current (Standby)
0.1
1.0
µA
Set VOUT+0.5V VIN 6.0V
IOUT = 30mA
=
=
Line Regulation
Input Voltage
0.05
0.20
6.0
%/V
V
∆VOUT/∆VIN
VIN
1.7
ppm
/°C
Output Voltage
Temperature Coefficient
IOUT = 30mA
∆VOUT/∆T
ILIM
±100
40
−40°C Topt 85°C
=
=
Short Current Limit
mA
VOUT = 0V
CE Pull-down Constant
Current
IPD
(R1180xxx1B)
0.35
µA
VCEH
VCEL
CE Input Voltage “H”
CE Input Voltage “L”
(R1180xxx1B)
(R1180xxx1B)
1.2
0.0
6.0
0.3
V
V
• ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
Topt = 25°C
Dropout Voltage
Output Voltage VOUT (V)
VDIF (V)
Condition
Typ.
Max.
1.20
1.10
1.00
0.90
0.75
0.65
0.55
0.40
<
1.2 VOUT < 1.3
0.85
0.75
0.65
0.60
0.50
0.40
0.35
0.25
=
<
1.3 VOUT < 1.4
=
<
1.4 VOUT < 1.5
=
<
1.5 VOUT < 1.7
=
IOUT = 150mA
<
1.7 VOUT < 1.9
=
<
1.9 VOUT < 2.1
=
<
2.1 VOUT < 2.8
=
<
<
3.6
=
2.8
VOUT
=
5
R1180x
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (Topt=25°C)
R1180x121x
R1180x281x
1.4
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.2
V
IN=2.0V
V
V
IN=3.1V
IN=3.3V
1.0
0.8
0.6
0.4
0.2
0.0
V
IN=2.2V
IN=2.5V
V
V
IN=3.5V
VIN=3.8V
0
100
200
300
400
500
0
100
200
300
400
500
Output Current IOUT[mA]
Output Current IOUT[mA]
R1180x361x
4.0
3.0
2.0
1.0
0.0
V
IN=3.9V
V
IN=4.6V
0
100
200
300
400
500
Output Current IOUT[mA]
2) Output Voltage vs. Input Voltage (Topt=25°C)
R1180x121x
R1180x281x
1.30
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.25
1.20
1.15
1.10
1.05
1.00
1mA
1mA
30mA
50mA
0.95
0.90
0.85
30mA
50mA
0.80
1
2
3
4
5
6
1
2
3
4
5
6
Input Voltage VIN[V]
Input Voltage VIN[V]
6
R1180x
R1180x361x
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
1mA
30mA
50mA
1
2
3
4
5
6
Input Voltage VIN[V]
3) Dropout Voltage vs. Output Current
R1180x121x
R1180x281x
㪈㪅㪇
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
㪇㪅㪐
85͠
85͠
25͠
㪇㪅㪏
25͠
㪇㪅㪎
−40͠
−40͠
㪇㪅㪍
㪇㪅㪌
㪇㪅㪋
㪇㪅㪊
㪇㪅㪉
㪇㪅㪈
㪇㪅㪇
0
25
50
75
100
125
150
0
25
50
75
100
Output Current IOUT(mA)
125
150
Output Current IOUT(mA)
R1180x361x
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
85͠
25͠
−40͠
0
25
50
75
100
125
150
Output Current IOUT(mA)
7
R1180x
4) Output Voltage vs. Temperature (IOUT=30mA)
R1180x121x (VIN=2.2V)
R1180x281x (VIN=3.8V)
1.24
2.86
2.84
2.82
2.80
2.78
2.76
2.74
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
−40
−15
10
35
60
85
−40
−15
10
35
60
85
Temperature Topt[͠]
Temperature Topt[͠]
R1180x361x (VIN=4.6V)
3.68
3.66
3.64
3.62
3.60
3.58
3.56
3.54
3.52
−40
−15
10
35
60
85
Temperature Topt[͠]
5) Supply Current vs. Input Voltage (Topt=25°C)
R1180x121x
R1180x281x
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN[V]
Input Voltage VIN[V]
8
R1180x
R1180x361x
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
1
2
3
4
5
6
Input Voltage VIN[V]
6) Supply Current vs. Temperature
R1180x121x(VIN=2.2V)
R1180x281x(VIN=3.8V)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
−40
−15
10
35
60
85
−50
−25
0
25
50
75
100
Temperature Topt[͠]
Temperature Topt[͠]
R1180x361x(VIN=4.6V)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
−50
−25
0
25
50
75
100
Temperature Topt[͠]
9
R1180x
7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
0.9
10mA
0.8
30mA
0.7
50mA
150mA
0.6
0.5
0.4
0.3
0.2
0.1
0
1
2
3
4
Set Output Voltage Vreg[V]
8) Ripple Rejection vs. Frequency (CIN=none)
R1180x121x
R1180x121x
V
IN=2.4VDC+0.5p-p
V
IN=2.4VDC+0.5p-p
C
OUT=Ceramic0.1µF
C
OUT=Ceramic1µF
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT=50mA
IOUT=50mA
I
OUT=1mA
I
OUT=1mA
I
OUT=30mA
IOUT=30mA
0.1
1
10
Frequency f[kHz]
100
0.1
1
10
Frequency f[kHz]
100
R1180x281x
R1180x281x
VIN=3.8VDC+0.5p-p
VIN=3.8VDC+0.5p-p
C
OUT=Ceramic0.1µF
C
OUT=Ceramic1µF
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT=50mA
IOUT=50mA
I
OUT=1mA
I
OUT=1mA
IOUT=30mA
IOUT=30mA
0.1
1
10
Frequency f[kHz]
100
0.1
1
10
Frequency f[kHz]
100
10
R1180x
R1180x361x
R1180x361x
VIN
=4.6VDC+0.5p-p
V
IN=4.6VDC+0.5p-p
C
OUT=Ceramic0.1
µ
F
C
OUT=Ceramic1µF
70
60
50
40
30
20
10
0
70
60
50
40
30
20
10
0
IOUT=50mA
IOUT=50mA
I
OUT=1mA
I
OUT=1mA
IOUT=30mA
IOUT=30mA
0.1
1
10
Frequency f[kHz]
100
0.1
1
10
Frequency f[kHz]
100
9) Ripple Rejection vs. Input Bias Voltage (Topt=25°C, CIN=none, COUT=ceramic0.1µF)
R1180x281x(IOUT=1mA) R1180x281x(IOUT=30mA)
50
45
40
35
30
25
20
15
10
5
50
45
40
35
30
25
20
15
10
5
f=600Hz
f=1kHz
f=10kHz
f=100kHz
f=600Hz
f=1kHz
f=10kHz
f=100kHz
0
0
2.9
3.2
3.5
3.8
2.9
3.2
3.5
3.8
Input Voltage VIN[V]
Input Voltage VIN[V]
R1180x281x(IOUT=50mA)
50
45
40
35
30
25
20
15
10
5
f=600Hz
f=1kHz
f=10kHz
f=100kHz
0
2.9
3.2
3.5
3.8
Input Voltage VIN[V]
11
R1180x
10) Input Transient Response (CIN=none, tr=tf=5µs)
R1180x281x
IOUT=1mA
C
OUT=Ceramic1µF
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
6
5
Input Voltage
4
3
2
Output Voltage
1
0
−1
0
100
200
300
400
500
600
700
800
900
1000
Time T[µs]
R1180x281x
IOUT=30mA
C
OUT=Ceramic0.1µF
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
6
5
Input Voltage
4
3
2
Output Voltage
1
0
−1
0
20
40
60
80
100
120
140
160
180
200
Time T[µs]
R1180x281x
IOUT=30mA
C
OUT=Ceramic0.47µF
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
6
5
Input Voltage
4
3
2
Output Voltage
1
0
−1
0
20
40
60
80
100
120
140
160
180
200
Time T[µs]
12
R1180x
R1180x281x
IOUT=30mA
C
OUT=Ceramic1µF
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
6
5
Input Voltage
Output Voltage
180
4
3
2
1
0
−1
0
20
40
60
80
100
120
140
160
200
Time T[µs]
11) Load Transient Response (tr=tf=0.5µs VIN=3.8V)
R1180x281x
C
OUT=Ceramic0.1µF
5.0
4.5
4.0
3.5
3.0
2.5
2.0
20
10
0
Output Current
Output Voltage
−
−
−
−
10
20
30
40
0
100
200
300
400
500
600
700
800
900
1000
Time T[µs]
R1180x281x
C
OUT=Ceramic1µF
20
5.0
4.5
4.0
3.5
3.0
2.5
2.0
10
0
Output Current
Output Voltage
−
−
−
−
10
20
30
40
0
100
200
300
400
500
600
700
800
900
1000
Time T[µs]
13
R1180x
R1180x281x
C
OUT=Ceramic10µF
5.0
4.5
4.0
3.5
3.0
2.5
2.0
20
10
Output Current
Output Voltage
0
−10
−20
−30
−40
0
100
200
300
400
500
600
700
800
900
1000
Time T[µs]
R1180x281x
C
OUT=Ceramic0.1µF
5.0
4.5
4.0
3.5
3.0
2.5
2.0
150
100
50
Output Current
Output Voltage
0
−50
−100
−150
0
20
40
60
80
100
120
140
160
180
200
Time T[µs]
R1180x281x
C
OUT=Ceramic0.47µF
5.0
4.5
4.0
3.5
3.0
2.5
2.0
150
100
50
Output Current
0
Output Voltage
−50
−100
−150
㪇
㪉㪇
㪋㪇
㪍㪇
㪏㪇
㪈㪇㪇
㪈㪉㪇
㪈㪋㪇
㪈㪍㪇
㪈㪏㪇
㪉㪇㪇
Time T[µs]
14
R1180x
R1180x281x
C
OUT=Ceramic1.0µF
5.0
4.5
4.0
3.5
3.0
2.5
2.0
150
100
50
Output Current
Output Voltage
0
−50
−100
−150
0
20
40
60
80
100
120
140
160
180
200
Time T[µs]
12) ESR vs. Output Current
R1180x121x(CIN =Ceramic 1.0µA, COUT =Ceramic 0.1µF)
1000
R1180x281x(CIN =Ceramic 1.0µA, COUT =Ceramic 0.1µF)
1000
100
10
100
10
1
1
0.1
0.01
0.1
0.01
0
50
100
150
0
50
100
150
Output Current IOUT [mA]
Output Current IOUT [mA]
The relations between IOUT (Output Current) and ESR of an output capacitor are shown above. The conditions
when the white noise level is under 40µV (Avg.) are marked as the hatched area in the graph.
<Measurement conditions>
(1) VIN=VOUT+1V
(2) Frequency Band: 10Hz to 2MHz (BW=30Hz)
(3) Temperature: −40°C to 85°C
15
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