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参数资料
| 型号： | R1115Z381A-TR-F |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PBGA4 |
| 封装： | LEAD FREE, WLCSP-4 |
| 文件页数： | 1/2页 |
| 文件大小： | 162K |
| 代理商： | R1115Z381A-TR-F |
R1115Z Series
WLCSP 150mA LDO
No.EK-112-091101
CMOS LDO Regulator
The R1115Z Series are CMOS-based LDO regulators featuring 150mA output. The R1115Z, the WLCSP version of R1114x and R1124N,
features a high ripple rejection and an excellent load transient response. These features make the product ideally suited for use in
power source for hand-held communication equipment. The polarity of the CE pin can be selected. The auto-discharge function is
also available (see Selection Guide). Ceramic capacitors can be used.
FEATURES
Supply Current (I
SS
) Typ. 75
μA (VIN=SET VOUT+1V)
Standby Current (I
standby
) Typ. 0.1
μA (Same as above, in standby)
Dropout Voltage (V
DIF
) Typ. 0.22V (IOUT=150mA, VOUT=2.8V)
Ripple Rejection (RR)Typ. 70dB (f=1kHz), Typ. 60dB (f=10kHz)
Input Voltage Range (V
IN
) 2.0V to 6.0V
Output Voltage Range (V
OUT
) 1.5V to 4.0V (internally fixed)
Output Voltage Accuracy ± 2%
Temp. coeff. of Output Voltage Typ. ± 100ppm/°C
Line RegulationTyp. 0.02%/V
Fold-back Protection Circuit Current limit Typ. 40mA
Auto-Discharge functionD Version
Package WLCSP-4-P4
Ceramic capacitors can be used. C
IN
=1
μF or more
COUT=1
μF or more
(1.5V <
= VOUT < 2.5V),
COUT=0.47
μF or more
(VOUT >
= 2.5V)
BLOCK DIAGRAMS
R1115Zxx1A
( CE pin "L" active)
VOUT
GND
VDD 1
2
4
3
CE
Vref
Current Limit
+
-
R1115Zxx1B
(CE pin "H" active)
VOUT
GND
VDD
CE
Vref
Current Limit
+
-
1
2
4
3
R1115Zxx1D
(With Auto-Discharge function)
VOUT
GND
VDD
CE
Vref
Current Limit
+
-
1
2
4
3
SELECTION GUIDE
Package
Quantity per Reel
Part No.
WLCSP-4-P4
3,000 pcs
R1115Z.xx.1.
-TR-F
.xx. : Specify the output voltage within the range 1.5V (.15.) to 4.0V (.40.)
in 0.1V steps.
. : Select the polarity of the CE pin from (.A.) "L" active,
(.B.) "H" active or (.D.) "H" active with auto-discharge function.
PACKAGE
TYPICAL CHARACTERISTIC
WLCSP-4-P4
Bump Side
Mark Side
1
2
4
3
2
1
3
4
1
VDD
2
CE or CE
3
GND
4
VOUT
R1115Z281x
Dropout Voltage vs. Output Current
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
50
25
0
150
125
100
75
Output Current IOUT(mA)
Dropout
Voltage
V
DIF
(V)
85°C
25°C
-40°C
APPLICATIONS
Power source for hand-held communication equipment, cameras, and VCRs
Power source for home appliances
Power source for battery-powered equipment
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