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PDF R5328K Data sheet ( Hoja de datos )
| Número de pieza | R5328K | |
| Descripción | Low Voltage 3-Mode Dual 150mA LDO | |
| Fabricantes | RICOH | |
| Logotipo |  |
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R5328K SERIES
Low Voltage 3-Mode Dual 150mA LDO
NO.EA-139-111025
OUTLINE
The R5328K Series are dual 150mA voltage regulator ICs with 3-mode. The 3-mode describes that they are
the inactive standby, the active fast mode, and the active low power mode. The two active modes can be
switched over with ECO pin. With this function, the output voltage maintains the level, and the mode can be
switched over.
The minimum operating voltage is 1.4V, and the output voltage range is from 0.8V to 4.0V.
Since the package for these ICs is DFN(PLP)2020-8, high density mounting of the ICs on boards is possible.
FEATURES
• Supply Current (Low Power Mode).......................Typ. 2.0μA×2 (VR1&VR2) (VOUT<2.0V)
Typ. 2.5μA×2 (VR1&VR2) (VOUT >= 2.0V)
• Supply Current (Fast Mode)..................................Typ. 75μA×2 (VR1&VR2) (VOUT<2.0V)
Typ. 65μA×2 (VR1&VR2) (VOUT >= 2.0V)
• Standby Mode .......................................................Typ. 0.1μA (VR1&VR2)
• Input Voltage .........................................................1.4V to 6.0V
• Output Voltage Range...........................................0.8V to 4.0V (0.1V steps)
(For details, please refer to MARK INFORMATIONS.)
• Dropout Voltage ....................................................Typ. 0.25V (IOUT=150mA, VOUT=2.8V)
• Ripple Rejection (Fast Mode) ...............................Typ. 70dB (f=1kHz)
• Line Regulation (Fast Mode).................................Typ. 0.02%/V
• Output Voltage Accuracy (Fast Mode) ..................±1.0%
• Output Voltage Accuracy (Low Power Mode) .......±1.2%
• Temperature-drift Coefficient of Output Voltage....Typ. ±100ppm/°C
• Package ................................................................DFN(PLP)2020-8
• Built-in fold-back protection circuit ........................Typ. 50mA (Current at short mode)
• Ceramic Capacitor is recommended. ..................1.0μF
• Built-in chip enable circuit (A/B: active high)
(Depending on VIN and set VOUT. Refer to the electrical characteristics table.)
APPLICATIONS
• Power source for handheld communication equipment.
• Power source for electrical appliances such as cameras, VCRs and camcorders.
• Power source for battery-powered equipment.
1
1 page  
R5328K
ELECTRICAL CHARACTERISTICS
• R5328KxxxA/B
VR1/VR2
Symbol
Item
Conditions
MIN. TYP.
Output Voltage
(Fast Mode)
VOUT
Output Voltage
(Low Power Mode)
VIN−VOUT=1.0V
IOUT=1mA
VECO=VIN
VIN−VOUT=1.0V
IOUT=1mA
VECO=GND
VOUT >1.5V ×0.99
VOUT <= 1.5V −15
VOUT >1.5V ×0.988
VOUT <= 1.5V −18
IOUT Output Current
VIN−VOUT=1.0V
150
ΔVOUT/
ΔIOUT
VDIF
Load Regulation
(Fast Mode)
Load Regulation
(Low Power Mode)
Dropout Voltage
VIN−VOUT=1.0V, VECO=VIN
1mA <= IOUT <= 150mA
20
VIN−VOUT=1.0V, VECO=GND
1mA <= IOUT <= 150mA
25
Refer to the following table
ISS1
Supply Current
(Fast Mode)
ISS2
Supply Current
(Low Power Mode)
VIN−VOUT=1.0V,
VECO=VIN
VIN−VOUT=1.0V,
VECO=GND,
Except CE
pull-down current
VOUT < 2.0V
VOUT >= 2.0V
VOUT < 2.0V
VOUT >= 2.0V
75
65
2
2.5
Istandby Standby Current
VIN=6.0V, VCE=GND
0.1
ΔVOUT/
ΔVIN
Line Regulation
(Fast Mode)
Line Regulation
(Low Power Mode)
IOUT=1mA
VECO=VIN
VOUT+0.5V <= VIN <= 6V
If VOUT <= 0.9V:
1.5V <= VIN <= 6V
VECO=GND
0.02
0.1
RR
VIN
ΔVOUT/
ΔTopt
ISC
IPD
Ripple Rejection
(Fast Mode)
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-down Constant
Current
f=1kHz, Ripple 0.2Vp-p,
VIN−VOUT=1.0V, IOUT=30mA
VECO=VIN
IOUT=1mA,
−40°C <= Topt <= 85°C
VOUT=0V
70
1.4
±100
50
0.3
RPDE ECO Pull-down Resistance
VCEH,VECOH CE, ECO Input Voltage "H"
VCEL,VECOL CE, ECO Input Voltage "L"
en Output Noise
BW=10Hz to 100kHz
RLOW
Low Output Nch Tr.
ON Resistance
(of B version)
VCE=0V
2.4 5
1
0
30
50
Topt=25°C
MAX. Unit
×1.01 V
+15 mV
×1.012 V
+18 mV
mA
40 mV
45 mV
95 μA
95
4
μA
4
1 μA
0.1
%/V
0.2
dB
6.0 V
ppm/
°C
mA
0.8 μA
15 MΩ
6V
0.4 V
μVrms
Ω
5
5 Page 
R5328K
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
4.0V (VR1/VR2)
ECO=H
VIN=4.3V
VIN=5.0V
VIN=6.0V
100 200 300
Output Current IOUT(mA)
400
2) Output Voltage vs. Input Voltage (Topt=25°C)
0.8V (VR1/VR2)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
ECO=H
IOUT=1mA
IOUT=30mA
IOUT=100mA
IOUT=150mA
12345
Input Voltage VIN(V)
6
1.8
1.5
1.2
0.9
0.6
0.3
0
0
1.5V (VR1/VR2)
ECO=H
IOUT=1mA
IOUT=30mA
IOUT=100mA
IOUT=150mA
12345
Input Voltage VIN(V)
6
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
4.0V (VR1/VR2)
ECO=L
VIN=4.3V
VIN=5.0V
VIN=6.0V
100 200 300
Output Current IOUT(mA)
400
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
0.8V (VR1/VR2)
ECO=L
IOUT=1mA
IOUT=30mA
IOUT=100mA
IOUT=150mA
12345
Input Voltage VIN(V)
6
1.8
1.5
1.2
0.9
0.6
0.3
0
0
1.5V (VR1/VR2)
ECO=L
IOUT=1mA
IOUT=30mA
IOUT=100mA
IOUT=150mA
12345
Input Voltage VIN(V)
6
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet R5328K.PDF ] | |
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