RP153L Series
150 mA Low Voltage Dual-Channel LDO Regulator with Two Input Pins
NO.EA-201-150901
OUTLINE
The RP153L is a 150 mA dual-channel LDO regulator that provides high ripple rejection, low dropout voltage,
high output voltage accuracy, and low supply current. Internally, the RP153L consists of a voltage reference
unit, an error amplifier, resistors for setting output voltage, a short current limit circuit, and a chip enable circuit.
The RP153L is available in fixed output voltage options. Besides the low supply current by CMOS, the RP153L
offers a low dropout voltage by built-in low ON resistance Tr. as well as an extended battery life by a chip
enable function. Compared with the existing CMOS-based regulators, the RP153L is further improved in ripple
rejection, line transient response, and load transient response. All these features allow the RP153L to become
ideal power sources for hand-held communication equipment.
The RP153L is offered in an 8-pin DFN1216-8 package which can achieve high-density mounting.
FEATURES
Supply Current ························································RP153LxxxA/ B: Typ. 40 µA x 2
RP153LxxxD/ E: Typ. 85 µA x 2
Standby Current ······················································Typ. 0.1 µA x 2
Ripple Rejection ······················································ Typ. 70 dB, f = 1 kHz
Input Voltage Range ·················································1.4 V to 5.25 V
Output Voltage Range···············································0.8 V to 3.6 V, 0.1 V step
Output Voltage Accuracy ···········································±1.0%, V
SET
> 2.0 V, Ta = 25°C
Temperature-Drift Coefficient of Output Voltage ··············Typ. ±80 ppm/°C
Dropout Voltage·······················································Typ. 0.20 V, I
OUT
= 150 mA, V
SET
= 2.8 V
Line Regulation ·······················································Typ. 0.02%/ V
Package ································································DFN1216-8
Short-current Limit ··················································· Typ. 40 mA
Overcurrent Protection
Ceramic Capacitor Compatible ··································· 0.22 µF or more
APPLICATIONS
Battery-powered Equipment
Portable Communication Equipment, Camera
Home Electrical Appliances
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RP153L
NO.EA-201-150901
SELECTION GUIDE
The set output voltage, the auto discharge function
1
and the improved transient response are user-selectable
options.
Selection Guide
Product Name
RP153Lxxx-E2
Package
DFN1216-8
Quantity per Reel
5,000 pcs
Pb Free
Yes
Halogen Free
Yes
xxx: Specify the combination of set output voltage (V
SET
) within the range of 0.8 V to 3.6 V in 0.1 V step.
Refer to
MARKING SPECIFICATON
in
SUPPLEMENTARY ITEMS
for detailed information.
Specify
the auto-discharge option and the improved transient response option.
(A) Auto-discharge function not included
(B) Auto-discharge function included
(D) Transient response improved, Auto-discharge function not included
(E) Transient response improved, Auto-discharge function included
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Auto-discharge function quickly lowers the output voltage to 0 V by releasing the electrical charge accumulated in the
external capacitor when the chip enable signal is switched from the active mode to the standby mode.
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RP153L
NO.EA-201-150901
BLOCK DIAGRAMS
VDD1
VOUT1
Error Amp.
Vref
Current Limit
R1_1
R2_1
CE1
VDD2
R1_2
Error Amp.
Vref
GND
R2_2
Current Limit
CE2
VOUT2
RP153LxxxA/ D Block Diagram
VDD1
VOUT1
Error Amp.
Vref
Current Limit
R1_1
R2_1
CE1
VDD2
R1_2
Error Amp.
Vref
Current Limit
GND
R2_2
CE2
VOUT2
RP153LxxxB/ E Block Diagram
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RP153L
NO.EA-201-150901
PIN DESCRIPTIONS
Top View
8
7
6
5
Bottom View
5
6
7
8
1
2
3
4
4
3
2
1
DFN1216-8 Pin Configuration
DFN1216-8 Pin Description
Pin No.
Symbol
1
2
3
4
5
6
7
8
GND
VOUT1
VOUT2
GND
CE2
VDD2
VDD1
CE1
Ground Pin
Output Pin 1
Output Pin 2
Ground Pin
Description
Chip Enable Pin 2, Active-high
Input Pin 2
Input Pin 1
Chip Enable Pin 1, Active-high
The tab on the bottom of the package enhances thermal performance and is electrically connected to GND (substrate
level). It is recommended that the tab be connected to the ground plane on the board, or otherwise be left floating.
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RP153L
NO.EA-201-150901
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings
Symbol
V
IN
V
CE
V
OUT1
V
OUT2
I
OUT1
I
OUT2
P
D
Tj
Tstg
Input Voltage
CE Pin Input Voltage
Output Voltage
Output Current
Power Dissipation (Standard Land Pattern)
1
Junction Temperature Range
Storage Temperature Range
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent
damages and may degrade the life time and safety for both device and system using the device in the field. The
functional operation at or over these absolute maximum ratings is not assured.
Item
Rating
−0.3
to 6.0
−0.3
to 6.0
−0.3
to V
IN
+0.3
180
625
−40
to 125
−55
to 125
Unit
V
V
V
mA
mW
°C
°C
RECOMMENDED OPERATING CONDITIONS
Recommended Operating Conditions
Symbol
Item
V
IN
Ta
Input Voltage
2
Operating Temperature Range
Rating
1.40 to 5.25
−40
to 85
Unit
V
°C
RECOMMENDED OPERATING CONDITIONS
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the recommended
operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the
semiconductor devices may receive serious damage when they continue to operate over the recommended operating
conditions.
1
2
Refer to
POWER DISSIPATION
in
SUPPLEMENTARY ITEMS
for detail information.
In case of operating the device beyond 5.25 V, do not exceed 5.5 V with 500 total operating hours.
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