R5322N002A-TR [RICOH]
120mA 2ch LDO REGULATORS; 120毫安2通道LDO稳压器
| 型号： | R5322N002A-TR |
| 厂家： | 
RICOH ELECTRONICS DEVICES DIVISION |
| 描述： | 120mA 2ch LDO REGULATORS |
| 文件： | 总25页 (文件大小：368K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
R5322N SERIES
120mA 2ch LDO REGULATORS
OUTLINE
NO.EA-077-0606
The R5322N Series are voltage regulator ICs with high output voltage accuracy, low supply current, low
dropout, and high ripple rejection by CMOS process. Each of these voltage regulator ICs consists of a voltage
reference unit, an error amplifier, resistors for setting Output Voltage, a current limit circuit, and a chip enable
circuit.
These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable
function and prolong the battery life of each system. The line transient response and load transient response of
the R5322N Series are excellent, thus these ICs are very suitable for the power supply for hand-held
communication equipment.
The output voltage of these ICs is internally fixed with high accuracy. Since the package for these ICs is
SOT-23-6W package, and include 2ch LDO regulators each, high density mounting of the ICs on boards is
possible.
FEATURES
• Ultra-Low Supply Current..............................................Typ. 75µA (VR1, VR2)
• Standby Current............................................................Typ. 0.1µA (VR1, VR2)
• Output Voltage ..............................................................1.5V to 4.0V
• Low Dropout Voltage.....................................................Typ. 0.15V (IOUT=100mA ,VOUT=3.0V)
• High Ripple Rejection ...................................................Typ. 75dB (f=1kHz)
• High Output Voltage Accuracy ......................................±2.0%
• Low Temperature-Drift Coefficient of Output Voltage....Typ. ±100ppm/°C
• Excellent Line Regulation .............................................Typ.0.05%/V
• Small Packages ..........................................................SOT-23-6W
• Built-in chip enable circuit (A/B: active high)
• Built-in fold-back protection circuit................................Typ. 40mA (Current at short mode)
APPLICATIONS
• Power source for cellular phones such as GSM, CDMA and various kinds of PCS.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.
1
R5322N
BLOCK DIAGRAMS
R5322NxxxA
CE1
1
6
5
VOUT1
R1_1
R2_1
Error Amp.
Vref
Current Limit
VDD
2
GND
R1_2
Error Amp.
Vref
R2_2
Current Limit
CE2
VOUT2
3
4
R5322NxxxB
CE1
1
2
6
5
VOUT1
R1_1
Error Amp.
Vref
R2_1
Current Limit
VDD
GND
R1_2
Error Amp.
Vref
R2_2
Current Limit
CE2
VOUT2
3
4
2
R5322N
SELECTION GUIDE
The output voltage, mask option, 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;
R5322Nxxxx-xx-x←Part Number
↑ ↑
↑
↑
a b
c
d
Code
Contents
Setting combination of 2ch Output Voltage (VOUT) :
a
Serial Number for Voltage Setting, Stepwise setting with a step of 0.1V in the range of
1.5V to 4.0V is possible for each channel.
Designation of Mask Option :
b
A Version: without auto discharge function at OFF state.
B Version: with auto discharge function at OFF state.
Designation of Taping Type :
c
Ex. TR (refer to Taping Specifications; TR type is the standard direction.)
Designation of Composition of pin plating.
d
-F : Lead free plating
3
R5322N
PIN CONFIGURATION
SOT-23-6W
6
5
4
V
OUT1 GND
V
OUT2
(mark side)
CE1
V
DD
CE2
1
2
3
PIN DESCRIPTIONS
• SOT-23-6W
Pin No
Symbol
CE1
Pin Description
1
2
3
4
5
6
Chip Enable Pin 1
Input Pin
VDD
CE2
Chip Enable Pin 2
Output Pin 2
Ground Pin
VOUT2
GND
VOUT1
Output Pin 1
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Rating
Unit
V
VIN
Input Voltage
6.5
−0.3 to VIN + 0.3
−0.3 to VIN + 0.3
130
VCE
Input Voltage (CE Pin)
Output Voltage
V
VOUT
IOUT1
IOUT2
PD
V
Output Current 1
Output Current 2
mA
mA
mW
°C
°C
130
Power Dissipation (SOT-23-6W) *Note1
Operating Temperature Range
Storage Temperature Range
430
Topt
Tstg
−40 to 85
−55 to 125
Note1: For Power Dissipation please refer to PACKAGE INFORMATION to be described.
4
R5322N
ELECTRICAL CHARACTERISTICS
• R5322NxxxA/B
Topt=25°C
Symbol
Item
Output voltage
Conditions
Min.
×0.98
120
Typ.
Max.
Unit
VIN=Set VOUT+1V,
VOUT
V
×1.02
1mA
IOUT
30mA
=
=
IOUT
Output Current
Load regulation
mA
mV
VIN−VOUT=1.0V
VIN=Set VOUT+1V,
12
40
∆VOUT/∆IOUT
1mA
IOUT
120mA
=
=
Refer to the ELECTRICAL CHARACTERISTICS
VDIF
Dropout Voltage
by OUTPUT VOLTAGE
ISS
Supply Current
75
150
1.0
VIN=Set VOUT+1V
µA
µA
Istandby
Supply Current (Standby)
0.1
VIN=VCE=Set VOUT+1V
Set VOUT+0.5V VIN 6.0V
=
=
IOUT=30mA
Line regulation
0.05
75
0.20
%/V
∆VOUT/∆VIN
(In case that VOUT 1.6,
=
2.2V VIN 6.0))
=
=
f=1kHz,Ripple 0.5Vp-p,
RR
Ripple Rejection
Input Voltage
dB
V
VIN=Set VOUT+1V,IOUT=30mA
VIN
2.2
6.0
ppm
/°C
∆VOUT/
Output Voltage
IOUT=30mA
±100
Temperature Coefficient
∆Topt
−40°C Topt 85°C
=
=
Ilim
RPD
VCEH
VCEL
en
Short Current Limit
CE Pull-down Resistance
CE Input Voltage “H”
CE Input Voltage “L”
Output Noise
40
mA
MΩ
V
VOUT=0V
1.5
1.5
0.0
4.0
16.0
VIN
0.3
V
30
70
BW=10Hz to 100kHz
VCE=0V
µVrms
Low Output Nch Tr. ON
RLOW
Ω
Resistance (of B version)
• Electrical Characteristics by Output Voltage
Dropout Voltage VDIF(V)
Output Voltage
VOUT (V)
Condition
Typ.
Max.
<
1.5V VOUT < 1.6V
0.36
0.30
0.28
0.24
0.18
0.70
0.50
0.45
0.40
0.30
=
<
1.7V VOUT < 1.8V
=
<
IOUT = 120mA
1.9V VOUT < 2.0V
=
<
2.1V VOUT < 2.7V
=
<
2.8V VOUT < 4.0V
=
5
R5322N
TYPICAL APPLIATION
4
GND 5
VOUT1 6
3
OUT2
OUT1
CE2
VOUT2
R5322N
Series
3
C
IN
2 VDD
1
C
1
CE1
2
C
(External Components)
Output Capacitor; Tantalum Type
6
R5322N
TEST CIRCUIT
4
5
OUT2 4
V
CE2
VOUT2
CE2
3
3
2
VOUT2
IOUT2
C3
C3
R5322N
R5322N
V
Series
VDD
Series
2
DD
5
V
GND
VOUT1
GND
VOUT1
ISS
A
6
6
CE1
CE1
1
1
IOUT1
C1
C1
VOUT1
C2
C2
V
C1= Tantal 1.0µF
C2= C3=Tantal 2.2µF
C1= 1.0µF
C2= C3=2.2µF
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
4
5
CE2
VOUT2
3
C3
R5322N
4
5
CE2
VOUT2
3
2
IOUT2
C3
Series
VDD
R5322N
IOUT2a
Series
VDD
2
1
GND
VOUT1
GND
VOUT1
IOUT2b
C2
Pulse
6
CE1
Generator
C1
IOUT1b IOUT1a
6
CE1
1
IOUT1
PG
C2
C1= 1.0µF
C2= C3=2.2µF
C2= C3=2.2µF
Fig.3 Ripple Rejection, Line Transient Response
Test Circuit
Fig.4 Load Transient Response Test Circuit
7
R5322N
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
1.5V (VR1)
1.5V (VR2)
1.6
1.6
1.4
1.2
1.0
1.4
1.2
1.0
VIN=2.0V
V
IN=2.0V
VIN=1.8V
VIN=3.5V
V
IN=1.8V
V
IN=3.5V
VIN=2.5V
0.8
0.6
0.8
0.6
VIN=2.5V
0.4
0.2
0.0
0.4
0.2
0.0
0.00
0.10
0.20
0.30
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Output Current IOUT(A)
Output Current IOUT(A)
2.8V (VR1)
2.8V (VR2)
3.0
2.5
3.0
2.5
V
IN=3.1V
IN=3.3V
V
IN=3.1V
IN=3.3V
V
V
2.0
1.5
1.0
0.5
0.0
2.0
1.5
1.0
0.5
0.0
V
IN=4.8V
V
IN=4.8V
V
IN=3.5V
V
IN=3.5V
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Output Current IOUT(A)
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Output Current IOUT(A)
4.0V (VR1)
4.0V (VR2)
4.5
4.5
4.0
3.5
4.0
3.5
V
V
IN=4.3V
IN=4.5V
IN=6.0V
V
V
IN=4.3V
IN=4.5V
IN=6.0V
3.0
2.5
2.0
3.0
2.5
2.0
V
V
V
IN=5.0V
VIN=5.0V
1.5
1.0
0.5
0.0
1.5
1.0
0.5
0.0
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Output Current IOUT(A)
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Output Current IOUT(A)
8
R5322N
2) Output Voltage vs. Input Voltage
1.5V (VR1)
1.5V (VR2)
1.6
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1.5
1.4
1.3
1.2
1.1
1.0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
1
1
1
2
2
2
3
4
5
6
6
6
1
1
1
2
2
2
3
4
5
6
6
6
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR1)
2.8V (VR2)
2.9
2.8
2.7
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
2.6
2.5
2.4
2.3
2.2
2.1
2.0
I
I
I
OUT=1mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
OUT=30mA
OUT=50mA
3
4
5
3
4
5
Input Voltage VIN(V)
Input Voltage VIN(V)
4.0V (VR1)
4.0V (VR2)
4.2
4.0
3.8
3.6
3.4
3.2
3.0
4.2
4.0
3.8
3.6
3.4
3.2
3.0
I
I
I
OUT=1mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
OUT=30mA
OUT=50mA
3
4
5
3
4
5
Input Voltage VIN(V)
Input Voltage VIN(V)
9
R5322N
3) Dropout Voltage vs. Temperature
1.5V (VR1)
1.5V (VR2)
1.00
1.00
Topt=85°C
25°C
-40°C
Topt=85°C
25°C
-40°C
0.80
0.80
0.60
0.40
0.60
0.40
0.20
0.00
0.20
0.00
0
0
0
20
40
60
80
100
100
100
120
120
120
0
0
0
20
40
60
80
100
100
100
120
120
120
Output Current IOUT(mA)
Output Current IOUT(mA)
2.8V (VR1)
2.8V (VR2)
0.40
0.40
Topt=85°C
25°C
-40°C
Topt=85°C
25°C
-40°C
0.35
0.30
0.35
0.30
0.25
0.20
0.15
0.10
0.25
0.20
0.15
0.10
0.05
0.00
0.05
0.00
20
40
60
80
20
40
60
80
Output Current IOUT(mA)
Output Current IOUT(mA)
4.0V (VR1)
4.0V (VR2)
0.40
0.40
Topt=85°C
25°C
-40°C
Topt=85°C
25°C
-40°C
0.35
0.30
0.35
0.30
0.25
0.20
0.15
0.10
0.25
0.20
0.15
0.10
0.05
0.00
0.05
0.00
20
40
60
80
20
40
60
80
Output Current IOUT(mA)
Output Current IOUT(mA)
10
R5322N
4) Output Voltage vs. Temperature
1.5V (VR1)
1.5V (VR2)
V
IN=2.5V IOUT=30mA
V
IN=2.5V IOUT=30mA
1.54
1.54
1.53
1.52
1.53
1.52
1.51
1.50
1.49
1.48
1.51
1.50
1.49
1.48
1.47
1.46
1.47
1.46
-50
-25
-25
-25
0
25
50
75
100
-50
-25
-25
-25
0
25
50
75
100
Temperature Topt(°C)
Temperature Topt(°C)
2.8V (VR1)
2.8V (VR2)
V
IN=3.8V IOUT=30mA
VIN=3.8V IOUT=30mA
2.86
2.84
2.86
2.84
2.82
2.80
2.78
2.76
2.74
2.82
2.80
2.78
2.76
2.74
-50
0
25
50
75
100
-50
0
25
50
75
100
Temperature Topt(°C)
Temperature Topt(°C)
4.0V (VR1)
4.0V (VR2)
V
IN=5.0V IOUT=30mA
V
IN=5.0V IOUT=30mA
4.08
4.06
4.04
4.02
4.08
4.06
4.04
4.02
4.00
4.00
3.98
3.96
3.98
3.96
3.94
3.92
3.94
3.92
-50
0
25
50
75
100
-50
0
25
50
75
100
Temperature Topt(°C)
Temperature Topt(°C)
11
R5322N
5) Supply Current vs. Input Voltage
1.5V
2.8V
100
100
80
60
80
60
40
20
0
40
20
0
VR1
VR2
VR1
VR2
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Input Voltage VIN(V)
Input Voltage VIN(V)
4.0V
100
80
60
40
20
0
VR1
VR2
0
1
2
3
4
5
6
Input Voltage VIN(V)
6) Supply Current vs. Temperature
1.5V (VR1)
1.5V (VR2)
VIN=2.5V
VIN=2.5V
100
100
80
60
80
60
40
20
0
40
20
0
-50
0
50
100
-50
0
50
100
Temperature Topt(°C)
Temperature Topt(°C)
12
R5322N
2.8V (VR1)
2.8V (VR2)
VIN=3.8V
VIN=3.8V
100
80
100
80
60
40
20
0
60
40
20
0
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt(°C)
Temperature Topt(°C)
4.0V (VR1)
4.0V (VR2)
VIN=5.0V
VIN=5.0V
100
80
100
80
60
40
20
0
60
40
20
0
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt(°C)
Temperature Topt(°C)
7) Dropout Voltage vs. Set Output Voltage
VR1
VR2
0.70
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0.70
I
OUT=10mA
I
OUT=10mA
30mA
50mA
120mA
0.60
0.50
0.40
0.30
0.20
0.10
0.00
30mA
50mA
120mA
1.0
2.0
3.0
4.0
1.0
2.0
3.0
4.0
Output Voltage VOUT(V)
Output Voltage VOUT(V)
13
R5322N
8) Ripple Rejection vs. Frequency
1.5V (VR1)
1.5V (VR2)
VIN=2.5V+0.5Vp-p
V
IN=2.5V+0.5Vp-p
COUT=tantal 1.0µF Topt=25°C
COUT=tantal 1.0µF Topt=25°C
90
90
80
70
60
50
80
70
60
50
40
30
20
10
0
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
1.5V (VR1)
1.5V (VR2)
V
IN=2.5V+0.5Vp-p
V
IN=2.5V+0.5Vp-p
COUT=tantal 2.2µF Topt=25°C
COUT=tantal 2.2µF Topt=25°C
90
90
80
70
60
50
80
70
60
50
40
30
20
10
0
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
2.8V (VR1)
2.8V (VR2)
V
IN=3.8V+0.5Vp-p
V
IN=3.8V+0.5Vp-p
COUT=tantal 1.0µF Topt=25°C
COUT=tantal 1.0µF Topt=25°C
90
90
80
70
80
70
60
50
60
50
40
30
20
10
0
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
14
R5322N
2.8V (VR1)
2.8V (VR2)
VIN=3.8V+0.5Vp-p
VIN=3.8V+0.5Vp-p
COUT=tantal 2.2µF Topt=25°C
COUT=tantal 2.2µF Topt=25°C
90
90
80
70
60
50
80
70
60
50
40
30
20
10
0
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
4.0V (VR1)
4.0V (VR2)
VIN=5.0V+0.5Vp-p
VIN=5.0V+0.5Vp-p
COUT=tantal 1.0µF Topt=25°C
COUT=tantal 1.0µF Topt=25°C
90
90
80
70
60
50
80
70
60
50
40
30
20
10
0
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
4.0V (VR1)
4.0V (VR2)
VIN=5.0V+0.5Vp-p
VIN=5.0V+0.5Vp-p
COUT=tantal 2.2µF Topt=25°C
COUT=tantal 2.2µF Topt=25°C
90
90
80
70
60
50
80
70
60
50
40
30
20
10
0
40
30
20
10
0
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
I
I
I
OUT=1mA
OUT=30mA
OUT=50mA
0.1
1
10
100
0.1
1
10
100
Frequency f(kHz)
Frequency f(kHz)
15
R5322N
9) Ripple Rejection vs. Input Voltage (DC bias)
2.8V (VR1)
2.8V (VR2)
COUT=tantal 2.2µF
COUT=tantal 2.2µF
I
OUT=1mA
I
OUT=1mA
100
80
100
80
60
60
40
40
f=1kHz
f=1kHz
f=10kHz
f=100kHz
f=10kHz
f=100kHz
20
0
20
0
2.9
3.0
3.1
3.2
3.3
2.9
3.0
3.1
3.2
3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR1)
2.8V (VR2)
COUT=tantal 2.2µF
COUT=tantal 2.2µF
IOUT=30mA
IOUT=30mA
100
80
100
80
60
60
40
40
f=1kHz
f=1kHz
f=10kHz
f=100kHz
f=10kHz
f=100kHz
20
0
20
0
2.9
3.0
3.1
3.2
3.3
2.9
3.0
3.1
3.2
3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
2.8V (VR1)
2.8V (VR2)
COUT=tantal 2.2µF
COUT=tantal 2.2µF
I
OUT=50mA
I
OUT=50mA
100
80
100
80
60
60
40
40
f=1kHz
f=1kHz
f=10kHz
f=100kHz
f=10kHz
f=100kHz
20
0
20
0
2.9
3.0
3.1
3.2
3.3
2.9
3.0
3.1
3.2
3.3
Input Voltage VIN(V)
Input Voltage VIN(V)
16
R5322N
10) Input Transient Response
R5322N001x (2.8V, VR1)
I
OUT=30mA COUT=tantal 1.0µF
tr/tf=5µs Topt=25°C
2.84
6.0
Input Voltage
2.83
2.82
2.81
5.0
4.0
3.0
Output Voltage
2.80
2.79
2.78
2.0
1.0
0.0
0
0
0
10
10
10
20
20
20
30
30
30
40
50
60
70
80
90
100
Time t(µs)
R5322N001x (2.8V, VR1)
I
OUT=30mA COUT=tantal 2.2µF
tr/tf=5µs Topt=25°C
2.84
6.0
Input Voltage
2.83
2.82
2.81
5.0
4.0
3.0
Output Voltage
2.80
2.79
2.78
2.0
1.0
0.0
40
50
60
70
80
90
100
Time t(µs)
R5322N001x (2.8V, VR1)
I
OUT=30mA COUT=tantal 6.8µF
tr/tf=5µs Topt=25°C
2.84
2.83
6.0
5.0
Input Voltage
2.82
2.81
4.0
3.0
Output Voltage
2.80
2.79
2.78
2.0
1.0
0.0
40
50
60
70
80
90
100
Time t(µs)
17
R5322N
R5322N001x (2.8V, VR2)
I
OUT=30mA COUT=tantal 1.0µF
tr/tf=5µs Topt=25°C
2.84
2.83
6.0
5.0
Input Voltage
2.82
2.81
4.0
3.0
Output Voltage
2.80
2.79
2.78
2.0
1.0
0.0
0
0
0
10
10
10
20
20
20
30
30
30
40
50
60
70
80
90
100
Time t(µs)
R5322N001x (2.8V, VR2)
I
OUT=30mA COUT=tantal 2.2µF
tr/tf=5µs Topt=25°C
2.84
2.83
6.0
5.0
Input Voltage
2.82
2.81
4.0
3.0
Output Voltage
2.80
2.79
2.78
2.0
1.0
0.0
40
50
60
70
80
90
100
Time t(µs)
R5322N001x (2.8V, VR2)
I
OUT=30mA COUT=tantal 6.8µF
tr/tf=5µs Topt=25°C
2.84
2.83
6.0
5.0
Input Voltage
2.82
2.81
4.0
3.0
Output Voltage
2.80
2.79
2.78
2.0
1.0
0.0
40
50
60
70
80
90
100
Time t(µs)
18
R5322N
11) Load Transient Response
R5322N001x (VR1=2.8V)
I
OUT=50mA 100mA VIN=3.8V CIN=tantal 1.0µF
OUT=tantal 1.0µF tr/tf=5µs Topt=25°C
C
3.00
150
100
50
2.95
2.90
I
OUT1
2.85
0
V
V
OUT1
2.80
2.75
2.70
2.80
2.75
OUT2
I
OUT2=30mA
-2
0
2
4
6
8
10
12
14
16
18
Time t(µs)
R5322N001x (VR1=2.8V)
I
OUT=50mA 100mA VIN=3.8V CIN=tantal 1.0µF
OUT=tantal 2.2µF tr/tf=5µs Topt=25°C
C
3.00
150
100
50
2.95
2.90
I
OUT1
2.85
0
V
V
OUT1
2.80
2.75
2.70
2.80
2.75
OUT2
I
OUT2=30mA
-2
0
2
4
6
8
10
12
14
16
18
Time t(µs)
R5322N001x (VR1=2.8V)
I
OUT=50mA 100mA VIN=3.8V CIN=tantal 1.0µF
OUT=tantal 6.8µF tr/tf=5µs Topt=25°C
C
3.00
150
100
50
2.95
2.90
I
OUT1
2.85
0
V
V
OUT1
2.80
2.75
2.70
2.80
2.75
OUT2
I
OUT2=30mA
-2
0
2
4
6
8
10
12
14
16
18
Time t(µs)
19
R5322N
R5322N001x (VR2=2.8V)
I
OUT=50mA 100mA VIN=3.8V CIN=tantal 1.0µF
OUT=tantal 1.0µF tr/tf=5µs Topt=25°C
C
3.00
150
100
50
2.95
2.90
I
OUT2
2.85
0
V
V
OUT1
OUT2
2.80
2.75
2.70
I
OUT1=30mA
2.80
2.75
-2
-2
-2
0
2
2
2
4
4
4
6
8
10
12
14
16
18
Time t(µs)
R5322N00x (VR2=2.8V)
I
OUT=50mA 100mA VIN=3.8V CIN=tantal 1.0µF
OUT=tantal 2.2µF tr/tf=5µs Topt=25°C
C
3.00
150
100
50
2.95
2.90
I
OUT2
2.85
0
V
V
OUT1
OUT2
2.80
2.75
2.70
I
OUT1=30mA
2.80
2.75
0
6
8
10
12
14
16
18
Time t(µs)
R5322N00x (VR2=2.8V)
I
OUT=50mA 100mA VIN=3.8V CIN=tantal 1.0µF
OUT=tantal 6.8µF tr/tf=5µs Topt=25°C
C
3.00
150
100
50
2.95
2.90
I
OUT2
2.85
0
V
V
OUT1
OUT2
2.80
2.75
2.70
I
OUT1=30mA
2.80
2.75
0
6
8
10
12
14
16
18
Time t(µs)
20
R5322N
TECHNICAL NOTES
When using these ICs, consider the following points:
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, be sure to use a 2.2µF or more capacitance COUT with good frequency characteristics and ESR
(Equivalent Series Resistance) of which is in the range described as follows:
The relations between IOUT (Output Current) and ESR of Output Capacitor are shown below. The conditions
when the white noise level is under 40µV (Avg.) are marked as the hatched area in the graph.
(Note: When a ceramic capacitor is connected to the Output Pin as Output capacitor for phase compensation,
the operation might be unstable unless as much as 1W resistor is connected between the capacitor and GND
instead of ESR. Test these ICs with as same external components as ones to be used on the PCB.)
<Test conditions>
(1) VIN=3.8V
(2) Frequency band: 10Hz to 2MHz
(3) Temperature: 25°C
R5322N001x (VR1=2.8V)
R5322N001x (VR1=2.8V)
C
IN=Ceramic 2.2µF
C
IN=Ceramic 1.0µF
COUT=Ceramic 2.2µF
COUT=Ceramic 2.2µF
100
10
100
10
1
1
0.1
0.01
0.1
0.01
0
20
40
60
80
100
120
0
20
40
60
80
100
120
Output Current IOUT1(mA)
Output Current IOUT1(mA)
21
R5322N
R5322N001x (VR2=2.8V)
R5322N001x (VR2=2.8V)
C
IN=Ceramic 1.0µF
C
IN=Ceramic 2.2µF
COUT=Ceramic 2.2µF
COUT=Ceramic 2.2µF
100
100
10
10
1
1
0.1
0.01
0.1
0.01
0
20
40
60
80
100
120
0
20
40
60
80
100
120
Output Current IOUT2(mA)
Output Current IOUT2(mA)
• Make VDD and GND line sufficient. When the impedance of these is high, the noise might be picked up or
not work correctly.
• Connect the capacitor with a capacitance of 1µF or more between VDD and GND as close as possible.
• Set external components, especially Output Capacitor, as close as possible to the ICs and make wiring
shortest.
22
PE-SOT-23-6W-0512
PACKAGE INFORMATION
• SOT-23-6W
Unit: mm
PACKAGE DIMENSIONS
2.9 0.2
1.9 0.2
+0.2
−0.1
1.1
(0.95)
(0.95)
0.8 0.1
6
5
4
0 to 0.1
1
2
+0.1
−0.075
+0.1
−0.2
0.15
0.4
TAPING SPECIFICATION
+0.1
0
4.0 0.1
∅1.5
0.3 0.1
2.0 0.05
6
1
5
4
3.3
2
3
4.0 0.1
2.0MAX.
∅1.1 0.1
TR
User Direction of Feed
TAPING REEL DIMENSIONS
(1reel=3000pcs)
11.4 1.0
9.0 0.3
2 0.5
21 0.8
PE-SOT-23-6W-0512
PACKAGE INFORMATION
POWER DISSIPATION (SOT-23-6W)
This specification is at mounted on board. Power Dissipation (PD) depends on conditions of mounting on board.
This specification is based on the measurement at the condition below:
Measurement Conditions
Standard Land Pattern
Environment
Board Material
Board Dimensions
Copper Ratio
Mounting on Board (Wind velocity=0m/s)
Glass cloth epoxy plactic (Double sided)
40mm × 40mm × 1.6mm
Top side : Approx. 50% , Back side : Approx. 50%
Through-hole
φ0.5mm × 44pcs
Measurement Result
(Topt=25°C,Tjmax=125°C)
Standard Land Pattern
430mW
Power Dissipation
Thermal Resistance
θja=(125−25°C)/0.43W=233°C/W
600
On Board
40
500
430
400
300
200
100
0
0
25
50
75 85 100
125
150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area Unit : mm
RECOMMENDED LAND PATTERN (SOT-23-6W)
0.7 MAX.
0.95
1.9
0.95
(Unit: mm)
ME-R5322N-0310
MARK INFORMATION
R5322N SERIES MARK SPECIFICATION
• SOT-23-6W
1
3
2
4
,
,
: Product Code (refer to Part Number vs. Product Code)
: Lot Number
1
2
3
4
• Part Number vs. Product Code
Product Code
Part Number
1
2
0
1
2
3
4
5
6
7
8
9
A
B
C
R5322N001B-TR
R5322N002B-TR
R5322N003B-TR
R5322N004B-TR
R5322N005B-TR
R5322N001A-TR
R5322N002A-TR
R5322N003A-TR
R5322N006B-TR
R5322N007B-TR
R5322N008B-TR
R5322N009B-TR
R5322N010B-TR
H
H
H
H
H
H
H
H
H
H
H
H
H
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