R5324x Series
Triple LDO
The R5324x Series are CMOS-based triple output LDO regulators. VR1 features 200mA output, VR2 features 150mA output and VR3
features 100mA output. The CE pin can switch each regulator into standby mode.
FEATURES
• Supply Current (ISS) ························Typ. 90μA × 3 (VIN=SET VOUT+1V)
• Output Voltage Accuracy ················± 2%
• Standby Current (Istandby) ·················Typ. 0.1μA × 3
(
Same as above, CE1/CE2/CE3="L") • Temp. coeff. of Output Voltage ·······Typ. ± 100ppm/°C
• Dropout Voltage (VDIF) ····················VR1 : Typ. 0.23V (IOUT=200mA, VOUT=2.8V)
VR2 : Typ. 0.22V (IOUT=150mA, VOUT=2.8V)
• Line Regulation·······························Typ. 0.02%/V
• Fold-back Protection Circuit············VR1 : Current limit Typ. 50mA,
VR2/VR3 : Current limit Typ. 40mA
VR3 : Typ. 0.15V (IOUT=100mA, VOUT=2.8V)
• Ripple Rejection (RR)·····················Typ. 70dB (f=1kHz)
Typ. 60dB (f=10kHz, VOUT=2.8V)
• Auto-Discharge function ·················B Version
• Packages········································DFN(PLP)2527-10,SON-8
• Ceramic capacitors can be used. ···1μF or more
• Input Voltage Range (VIN)···············2.0V to 6.0V
• Output Voltage Range (VOUT)··········1.5V to 4.0V ∗ (internally fixed)
) For information about combination of output voltage, please check our website.
∗
BLOCK DIAGRAMS
R5324xxxxA
R5324xxxxB
(Without Auto-Discharge function)
(With Auto-Discharge function)
V
DD
VDD
V
OUT1
V
V
OUT1
R1_1
R2_1
R1_1
R2_1
Error Amp.
Vref
Error Amp.
Vref
Current Limit
Current Limit
Current Limit
Current Limit
Current Limit
Current Limit
CE1
CE2
CE3
CE1
CE2
CE3
V
OUT2
OUT2
R1_2
R2_2
R1_2
R2_2
Error Amp.
Vref
Error Amp.
Vref
V
OUT3
VOUT3
R1_3
R2_3
R1_3
R2_3
Error Amp.
Vref
Error Amp.
Vref
GND
GND
SELECTION GUIDES
.
xxx : Specify a combination of output voltage for each output using serial
numbers.
Package
DFN(PLP)2527-10
SON-8
Quantity per Reel
Part No.
5,000 pcs
3,000 pcs
R5324K
.
xxx∗-TR
: Select from (
.
A
.
) without auto-discharge function or
.
∗
R5324D
.
xxx∗-TR-F
(.
B
.
) with auto-discharge function.
PACKAGES (Top View)
TYPICAL CHARACTERISTICS
R5324D (VR1/VR2/VR3) Dropout Voltage vs. Output Current
DFN
(
PLP
)
2527-10
SON-8
8
7
6
5
10
9
8
7
6
∗
VR1
VR2
VR3
∗
VOUT=2.8V
VOUT=2.8V
VOUT=2.8V
0.30
0.25
0.20
0.15
0.10
0.05
0
0.30
0.25
0.20
0.15
0.10
0.05
0
0.30
0.25
0.20
0.15
0.10
0.05
0
85°C
85°C
85°C
25°C
25°C
25°C
1
2
3
4
5
1
2
3
4
-40°C
-40°C
-40°C
1
1
∗
∗
1
2
3
4
5
6
7
8
VDD
CE1
CE2
CE3
GND
VOUT3
VOUT2
VOUT1
1
VDD
VDD
2
3
4
5
6
7
8
9
CE1
CE2
CE3
0
25 50 75 100 125 150 175 200
Output Current IOUT(mA)
0
25
50
75
100
0
25
50
75
100 125 150
GND
NC
VOUT3
VOUT2
Output Current IOUT(mA)
Output Current IOUT(mA)
10 VOUT1
∗) The tab and tab suspension leads on back side are substrate level (GND).
∗1) The VDD pin must be wired together when it is mounted on board.
APPLICATIONS
• Power source for hand-held communication equipment, cameras, and VCRs • Power source for battery-powered equipment
• Power source for home appliances
No.EK-104-091101
Triple CMOS LDO Regulator
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