R1160x Series
Low Voltage 200mA LDO with ECO pin
No.EK-087-091101 CMOS LDO Regulator
The R1160x Series are CMOS-based LDO regulators with ECO pin featuring 200mA output. By inputting control signals from the ECO
pin, the mode of the regula tor c an be switched to low power mode or fast resp onse mo de, t hus makin g b oth a ctive and sleep modes
available for the system. The CE pin can switch the regulator into standby mode. This feature helps to extend the battery life.
FEATURES
• Supply Current (ISS1)·················Typ. 40μA
(
Fast mode, VIN=SET VOUT+1V)
• Supply Current (ISS2)·················Typ. 4.5μA
(Low power mo de, sa m e a s ab ove, V
OUT
=2.8V)
• Standby Current (Istandby) ···········Typ. 0.1μA (Same as above, in standby)
• Dropout Voltage (VDIF) ··············Typ. 0.14V (Fast mode, IOUT=200mA, VOUT=2.8V)
Typ. 0.14V
(Low power mode, I
OUT
=200mA, V
OUT
=2.8V)
• Ripple Rejection (RR)···············Typ. 70dB (Fast mode, f=1kHz)
• Input Voltage Range (VIN)·········1.4V to 6.0V
• Output Voltage Range (VOUT)··········0.8V to 3.3V
(internally fixed)
• Output Voltage Accuracy ················± 2% (Fast mode)
± 3% (Low power mode)
• Temp. coeff. of Output Voltage ·······Typ. ± 100ppm/°C
• Line Regulation·······························Typ. 0.05%/V (Fast mode)
• Fold-back Protection Circuit ···········Current limit Typ. 50mA
• Packages········································SON-6, SOT-23-5
BLOCK DIAGRAMS
R1160xxx1A R1160xxx1B
(
CE pin "L" active) (CE pin "H" active)
V
OUT
GND
V
DD
CE
Vref
Current Limit
+
-
ECO
V
OUT
GND
V
DD
CE
Vref
Current Limit
+
-
ECO
SELECTION GUIDES
Package Quantity per Reel Part No.
SON-6 3,000 pcs R1160D
.
xx
.
1
.
∗
-TR-F
SOT-23-5 3,000 pcs R1160N
.
xx
.
1
.
∗
-TR-F
.
xx
.
: Specify the output voltage within the range 0.8V (
.
08
.
) to 3.3V (
.
33
.
)
in 0.1V steps.
.
∗
: Select the polarity of the CE pin from (
.
A
.
) "L" active or (
.
B
.
) "H" active.
PACKAGES TYPICAL CHARACTERISTIC
SON-6 SOT-23-5
6 5 4
1 2 3
Top View Bottom Vie w
4 5 6
3 2 1
∗
1 3
5 4
2
1 VDD
2 NC
3 VOUT
4 ECO
5 GND
6 CE or CE
1 VDD
2 GND
3 CE or CE
4 ECO
5 VOUT
R1160x261x Dropout Voltage vs. Output Current
(Fast Response Mode)
∗) The tab suspension leads are substrate level (GND).
APPLICATIONS
• Power source for hand-held communication equipment, cameras, and VCRs
• Very stable voltage reference • Power source for battery-powered equipment
0.20
0.15
0.10
0.05
0
Output Current I
OUT
(mA)
Dropout Voltage V
DIF
(V)
0 25 50 100 125 150 175 20075
ECO=H
85°C
25°C
-40°C
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