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Datasheet> All Categories > Power/power management> The power supply circuit> R1160N271B-TR
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R1160N271B-TR

Description
Fixed Positive LDO Regulator, 2.7V, 0.25V Dropout, CMOS, PDSO5, SC-74A, MINI, SOT-23, 5 PIN
CategoryPower/power management    The power supply circuit   
File Size1MB，27 Pages
ManufacturerRICOH Electronic Devices Co., Ltd.
Download Datasheet Parametric View All

R1160N271B-TR Overview

Fixed Positive LDO Regulator, 2.7V, 0.25V Dropout, CMOS, PDSO5, SC-74A, MINI, SOT-23, 5 PIN

R1160N271B-TR Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerRICOH Electronic Devices Co., Ltd.
Objectid1543738779
Parts packaging codeSOT-23
package instructionLSSOP,
Contacts5
Reach Compliance Codeunknown
ECCN codeEAR99
compound_id6847596
Maximum drop-back voltage 10.25 V
Maximum input voltage6 V
Minimum input voltage1.4 V
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals5
Maximum output current 10.2 A
Maximum output voltage 12.781 V
Minimum output voltage 12.619 V
Nominal output voltage 12.7 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.4 mm
surface mountYES
technologyCMOS
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.6 mm

R1160N271B-TR Preview

2001.6.21
SOT23-5 3-MODE 200mA LDO REGULATOR
R1160N SERIES
s
OUTLINE
The R1160N Series are voltage regulator ICs with high output voltage accuracy, low supply current, and low ON-resistance 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 and a chip enable function. To prevent the destruction by over current, current
limit circuit is included. The R1160N Series have 3-mode. One is standby mode with CE or standby control pin. Other two
modes are realized with ECO pin. Fast Transient Mode (FT mode) and Low Power Mode (LP mode) are alternative with
ECO pin. Consumption current is reduced to 1/10 at Low Power Mode compared with Fast Transient Mode. Output voltage
is maintained between FT mode and LP mode.
The output voltage of these ICs is internally fixed with high accuracy. Since the package for these ICs is SOT-23-5 package,
high density mounting of the ICs on boards is possible.
s
FEATURES
Ultra-Low Supply Current......................................... TYP. 3.5µA(Low Power Mode, V
OUT
≤1.5V),
........................................................................................... TYP. 40µA (Fast Transient Mode)
Standby Mode ........................................................... TYP. 0.1µA
Low Dropout Voltage ................................................ TYP. 0.30V(I
OUT
=200mA Output Voltage=1.0V Type)
........................................................................................... TYP. 0.20V(I
OUT
=200mA Output Voltage=1.5V Type)
........................................................................................... TYP. 0.14V(I
OUT
=200mA Output Voltage=3.0V Type)
High Ripple Rejection ............................................... TYP. 70dB(f=1kHz, FT Mode)
Low Temperature-Drift Coefficient of Output Voltage TYP. ±100ppm/°C
Excellent Line Regulation ......................................... TYP. 0.05%/V
High Output Voltage Accuracy.................................. ±2.0%(±3.0% at LP Mode)
Small Package .......................................................... SOT-23-5(Super Mini-mold)
Output Voltage........................................................... Stepwise setting with a step of 0.1V in the range of 0.8V to 3.3V is
possible
Input Voltage ............................................................. MIN. 1.4V
Built-in fold-back protection circuit ..........................TYP. 50mA (Current at short mode)
s
APPLICATIONS
Precision Voltage References.
Power source for electrical appliances such as cameras, VCRs and hand-held communication equipment.
Power source for battery-powered equipment.
Rev. 1.10
-1-
s
BLOCK DIAGRAM
R1160NXX1A
R1160NXX1B
4
1
V
DD
Vref
Current Limit
ECO
V
OUT
4
1
-
+
Vref
Current Limit
ECO
V
OUT
5
-
+
GND
5
V
DD
GND
CE
3
2
CE
3
2
s
SELECTION GUIDE
The output voltage, chip enable polarity, and the taping type for the ICs can be selected at the user's request. The selection can
be available by designating the part number as shown below;
R1160NXX1X-XX
←Part
Number
↑ ↑ ↑ ↑
a b c d
Code
a
b
c
d
Contents
Designation of Package Type :
N:SOT-23-5 (Mini-mold)
Setting Output Voltage (V
OUT
) :
Stepwise setting with a step of 0.1V in the range of 0.8V to 3.3V is possible.
Designation of Chip Enable Option :
A:“L” active type.
B:“H” active type.
Designation of Taping Type :
Refer to Taping Specifications; TR type is the standard direction.
Rev. 1.10
-2-
s
PIN CONFIGURATION
SOT- 23 - 5
4
5
(mark side)
1
s
PIN DESCRIPTION
Pin No.
1
2
3
4
5
V
DD
GND
CE or CE
ECO
V
OUT
Symbol
2
3
Description
Input Pin
Ground Pin
Chip Enable Pin
MODE alternative pin
Output pin
s
ABSOLUTE MAXIMUM RATINGS
Item
Input Voltage
Input Voltage(ECO Pin)
Input Voltage(CE/CE Pin)
Output Voltage
Output Current
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Symbol
V
IN
V
ECO
V
CE
V
OUT
I
OUT
P
D
Topt
Tstg
Rating
6.5
-0.3 ~ V
IN
+0.3
-0.3 ~ V
IN
+0.3
-0.3 ~ V
IN
+0.3
250
250
-40 ~ 85
-55 ~ 125
Unit
V
V
V
V
mA
mW
°C
°C
Rev. 1.10
-3-
s
ELECTRICAL CHARACTERISTICS
q
R1160NXX1A
Symbol
Item
Conditions
V
IN
= Set V
OUT
+1V V
ECO
=V
IN
1µA
≤
I
OUT
≤
30mA(Note 1)
V
IN
= Set V
OUT
+1V V
ECO
=GND
1µA
≤
I
OUT
≤
30mA(Note 2)
I
OUT
∆V
OUT
/∆I
OUT
∆V
OUT
/∆I
OUT
V
DIF
I
SS1
I
SS2
Istandby
∆V
OUT
/∆V
IN
∆V
OUT
/∆V
IN
RR
V
IN
∆V
OUT
/∆T
Ilim
R
PU
R
PD
V
CEH
V
CEL
Output Current
Load Regulation(FT Mode)
Load Regulation(LP Mode)
Dropout Voltage
Supply Current(FT Mode)
Supply Current(LP Mode)
Supply Current (Standby)
Line Regulation(FT Mode)
Line Regulation(LP Mode)
Ripple Rejection(FT Mode)
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-up Resistance
ECO Pull-down Resistance
CE , ECO Input Voltage “H”
CE , ECO Input Voltage “L”
MIN.
V
OUT
×0.98
(-30mV)
V
OUT
×0.97
(-45mV)
TYP.
Topt=25°C
MAX.
Unit
V
OUT
V
×1.02
(30mV)
V
OUT
V
×1.03
(45mV)
mA
mV
mV
V
OUT
Output Voltage
V
IN
- V
OUT
= 0.5V
200
V
IN
≥1.5V
,
V
OUT
≤1.0V
V
IN
= Set V
OUT
+1V, V
ECO
=V
IN
20
40
1mA
≤
I
OUT
≤
200mA
V
IN
= Set V
OUT
+1V, V
ECO
=GND
10
40
1mA
≤
I
OUT
≤
100mA
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT
VOLTAGE
V
IN
= Set V
OUT
+1V
40
70
V
ECO
=V
IN
V
IN
= Set V
OUT
+1V,
3.5
6.0
V
OUT
≤
1.5V, V
ECO
=GND
V
IN
= Set V
OUT
+1V
4.5
8.0
V
OUT
≥
1.6V, V
ECO
=GND
V
IN
= V
CE
= Set V
OUT
+1V
0.1
1.0
Set V
OUT
+0.5V
≤
V
IN
≤
6V
0.05
0.20
I
OUT
= 30mA, V
ECO
=V
IN
Set V
OUT
+0.5V
≤
V
IN
≤
6V
0.10
0.30
I
OUT
= 30mA, V
ECO
=GND
f = 1kHz, Ripple 0.2Vp-p
V
IN
= Set V
OUT
+1V
70
I
OUT
= 30mA, V
ECO
=V
IN
1.4
6.0
I
OUT
= 30mA
±100
-40°C
≤
Topt
≤
85°C
V
OUT
= 0V
50
2.0
5.0
14.0
1.5
5.0
14.0
1.0
V
IN
0.0
0.3
µA
µA
µA
µA
%/V
%/V
dB
V
ppm
/°C
mA
MΩ
MΩ
V
V
Note1:
±30mV
tolerance for V
OUT
≤1.5V.
Note2:
±45mV
tolerance for V
OUT
≤1.5V.
Rev. 1.10
-4-
q
R1160NXX1B
Symbol
Item
Conditions
V
IN
= Set V
OUT
+1V V
ECO
=V
IN
1µA
≤
I
OUT
≤
30mA(Note 1)
V
OUT
Output Voltage
I
OUT
∆V
OUT
/∆I
OUT
∆V
OUT
/∆I
OUT
V
DIF
I
SS1
I
SS2
Istandby
∆V
OUT
/∆V
IN
∆V
OUT
/∆V
IN
RR
V
IN
∆V
OUT
/∆T
Ilim
R
PDC
R
PDE
V
CEH
V
CEL
Output Current
Load Regulation(FT Mode)
Load Regulation(LP Mode)
Dropout Voltage
Supply Current(FT Mode)
Supply Current(LP Mode)
Supply Current (Standby)
Line Regulation(FT Mode)
Line Regulation(LP Mode)
Ripple Rejection(FT Mode)
Input Voltage
Output Voltage
Temperature Coefficient
Short Current Limit
CE Pull-down Resistance
ECO Pull-down Resistance
CE, ECO Input Voltage “H”
V
IN
= Set V
OUT
+1V
V
ECO
=GND
1µA
≤
I
OUT
≤
30mA(Note 2)
V
IN
- V
OUT
= 0.5V
200
V
IN
≥1.5V
,
V
OUT
≤1.0V
V
IN
= Set V
OUT
+1V, V
ECO
=V
IN
20
40
1mA
≤
I
OUT
≤
200mA
V
IN
= Set V
OUT
+1V, V
ECO
=GND
10
40
1mA
≤
I
OUT
≤
100mA
Refer to the ELECTRICAL CHARACTERISTICS by OUTPUT
VOLTAGE
V
IN
= Set V
OUT
+1V
40
70
V
ECO
=V
IN
V
IN
= Set V
OUT
+1V,
3.5
6.0
V
OUT
≤
1.5V, V
ECO
=GND
V
IN
= Set V
OUT
+1V,
4.5
8.0
V
OUT
≥
1.6V, V
ECO
=GND
V
IN
= Set V
OUT
+1V, V
CE
=GND
0.1
1.0
Set V
OUT
+0.5V
≤
V
IN
≤
6V
0.05
0.20
I
OUT
= 30mA, V
ECO
=V
IN
Set V
OUT
+0.5V
≤
V
IN
≤
6V
0.10
0.30
I
OUT
= 30mA, V
ECO
=GND
f = 1kHz, Ripple 0.2Vp-p
V
IN
= Set V
OUT
+1V
70
I
OUT
= 30mA, V
ECO
=V
IN
1.4
6.0
I
OUT
= 30mA
±100
-40°C
≤
Topt
≤
85°C
V
OUT
= 0V
50
2.0
5.0
14.0
1.5
5.0
14.0
1.0
V
IN
0.0
0.3
MIN.
V
OUT
×0.98
(-30mV)
V
OUT
×0.97
(-45mV)
TYP.
Topt=25°C
MAX.
Unit
V
OUT
V
×1.02
(30mV)
V
OUT
V
×1.03
(45mV)
mA
mV
mV
µA
µA
µA
µA
%/V
%/V
dB
V
ppm
/°C
mA
MΩ
MΩ
V
V
CE, ECO Input Voltage “L”
Note1:
±30mV
tolerance for V
OUT
≤1.5V.
Note2:
±45mV
tolerance for V
OUT
≤1.5V.
q
ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
Topt = 25°C
Output Voltage
V
OUT
(V)
0.8
≤
V
OUT
≤
0.9
1.0
≤
V
OUT
≤
1.4
1.5
≤
V
OUT
≤
2.5
2.6
≤
V
OUT
Dropout Voltage
V
DIF
(V)
Condition
TYP.
0.40
0.30
I
OUT
= 200mA
0.20
0.14
MAX.
0.70
0.50
0.30
0.20 (V
ECO
=”H”)
0.25(V
ECO
=”L”)
Rev. 1.10
-5-
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