®
RT9058
36V, 2μA I
Q
, 100mA Low Dropout Voltage Linear Regulator
μ
General Description
The RT9058 is a low dropout (LDO) linear voltage regulator
that features high input voltage, low dropout voltage, ultra-
low operating current, and miniaturized packaging. With
quiescent current as low as 2μA, the RT9058 is ideal for
battery-powered equipment.
The RT9058's stability requirements are easily met with
all types of output capacitors, including tiny ceramic
capacitors, over its wide input range (3.5V to 36V) and its
load current range (0mA to 100mA). The RT9058 offers
standard output voltages of 2.5V, 3V, 3.3V, 5V, 6V, 9V
and 12V.
Features
μ
2μA Quiescent Current
±
2% Output Accuracy
100mA Output Current
3.5V to 36V Input Voltage Range
Dropout Voltage : 0.35V at 10mA/V
CC
5V
0.5V at 10mA/V
CC
3.5V
Fixed Output Voltage : 2.5V, 3V, 3.3V, 5V, 6V, 9V,
12V
Stable with Ceramic or Tantalum Capacitors
Current Limit Protection
Over Temperature Protection
SOT-23-3, SOT-89-3 Packages
RoHS Compliant and Halogen Free
Applications
Portable, Battery Powered Equipment
Ultra Low Power Microcontrollers
Notebook Computers
Pin Configurations
GND
3
2
(TOP VIEW)
VCC
3
2
2
3
VCC
VOUT
GND
VOUT
VCC
GND
VOUT
SOT-23-3
SOT-23-3 (L-Type)
SOT-89-3
Functional Pin Description
SOT-23-3
1
2
3
Pin No.
SOT-23-3 (L-Type)
3
2
1
SOT-89-3
1
3
2
Pin Name
VCC
VOUT
GND
Pin Function
Supply Voltage Input.
Output of the Regulator.
Ground.
Simplified Application Circuit
RT9058
V
CC
VCC
C
IN
GND
VOUT
C
OUT
V
OUT
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9058-01 February 2016
www.richtek.com
1
RT9058
Ordering and Marking Information
Part Number
RT9058-25GV
RT9058-25GVL
RT9058-25GX
RT9058-30GV
RT9058-30GVL
RT9058-30GX
RT9058-33GV
RT9058-33GVL
RT9058-33GX
RT9058-50GV
RT9058-50GVL
RT9058-50GX
5.0V
3.3V
3.0V
2.5V
Output
Voltage
Package
SOT-23-3
SOT-23-3 (L)
SOT-89-3
SOT-23-3
SOT-23-3 (L)
SOT-89-3
SOT-23-3
SOT-23-3 (L)
SOT-89-3
SOT-23-3
SOT-23-3 (L)
SOT-89-3
Marking
Information
00=
2A=
00=
2H=
2G=
10=
03=
2B=
01=
06=
2C=
02=
Part Number
RT9058-60GV
RT9058-60GVL
RT9058-60GX
RT9058-90GV
RT9058-90GVL
RT9058-90GX
RT9058-C0GV
RT9058-C0GVL
RT9058-C0GX
12.0V
9.0V
6.0V
Output
Voltage
Package
SOT-23-3
SOT-23-3 (L)
SOT-89-3
SOT-23-3
SOT-23-3 (L)
SOT-89-3
SOT-23-3
SOT-23-3 (L)
SOT-89-3
Marking
Information
0R=
2D=
0D=
0N=
2E=
0C=
0M=
2F=
0B=
Function Block Diagram
VCC
VOUT
OCP
OTP
GND
-
+
R1
Bandgap
Reference
R2
Operation
The RT9058 is a high input voltage linear regulator
specifically designed to minimize external components.
The input voltage range is from 3.5V to 36V.
The minimum required output capacitance for stable
operation is 1μF effective capacitance after consideration
of the temperature and voltage coefficient of the capacitor.
Output Transistor
The RT9058 includes a built-in low on-resistance
P-MOSFET output transistor for low dropout voltage
applications.
Error Amplifier
The Error Amplifier compares the output feedback voltage
from an internal feedback voltage divider to an internal
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
reference voltage and controls the P-MOSFET's gate
voltage to maintain output voltage regulation.
Current Limit Protection
The RT9058 provides a current limit function to prevent
damage during output over-load or shorted-circuit
conditions. The output current is detected by an internal
sensing transistor.
Over Temperature Protection
The over temperature protection function will turn off the
P-MOSFET when the internal junction temperature
exceeds 150°C (typ.) and the output current exceeds 4mA.
Once the junction temperature cools down by
approximately 20°C, the regulator will automatically
resume operation.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
2
DS9058-01 February 2016
RT9058
Absolute Maximum Ratings
(Note 1)
−0.3V
to 40V
−0.3V
to 15V
−0.3V
to 6V
−40V
to 0.3V
0.41W
VCC to GND ---------------------------------------------------------------------------------------------------------------
VOUT to GND
RT9058-C0/RT9058-60/RT9058-90 -----------------------------------------------------------------------------------
RT9058-25/RT9058-30/RT9058-33/RT9058-50 ---------------------------------------------------------------------
VOUT to VCC -------------------------------------------------------------------------------------------------------------
Power Dissipation, P
D
@ T
A
= 25°C
SOT-23-3 -------------------------------------------------------------------------------------------------------------------
SOT-89-3 ------------------------------------------------------------------------------------------------------------------- 0.6W
Package Thermal Resistance (Note 2)
SOT-23-3,
θ
JA
-------------------------------------------------------------------------------------------------------------- 243.3°C/W
SOT-89-3,
θ
JA
-------------------------------------------------------------------------------------------------------------- 167.7°C/W
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------ 260°C
Junction Temperature ---------------------------------------------------------------------------------------------------- 150°C
Storage Temperature Range -------------------------------------------------------------------------------------------
−65°C
to 150°C
ESD Susceptibility (Note 3)
HBM (Human Body Model) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions
(Note 4)
Supply Input Voltage, VCC --------------------------------------------------------------------------------------------- 3.5V to 36V
Junction Temperature Range -------------------------------------------------------------------------------------------
−40°C
to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------------
−40°C
to 85°C
Electrical Characteristics
((V
OUT
+ 1V) < V
CC
< 36V, T
A
= 25°C, unless otherwise specified.)
Parameter
Output Voltage Range
DC Output Accuracy
Dropout Voltage
V
CC
Quiescent Current
Line Regulation
Load Regulation
Output Current Limit
Power Supply Rejection Rate
Output Noise Voltage
BW = 10Hz
100kHz
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Symbol
Test Conditions
I
LOAD
= 10mA
I
LOAD
= 10mA
I
LOAD
= 0mA, V
OUT
5.5V, V
CC
= 12V
I
LOAD
= 0mA, V
OUT
> 5.5V, V
CC
= 12V
I
LOAD
= 10mA
0 < I
LOAD
< 50mA, V
CC
= V
OUT
+ 2V
V
OUT
= 0.5 x V
OUT (normal)
Min
2.5
2
--
--
--
--
0.5
115
--
---
--
--
--
Typ
--
--
0.3
2
3.5
0.2
--
175
70
40
27 x
V
OUT
150
20
Max
12
2
0.5
3.5
5
0.5
0.5
300
--
--
--
--
--
Unit
V
%
V
A
%
%
mA
dB
V
RMS
C
C
I
Q
PSRR
V
ON
f = 100Hz, I
OUT
= 25mA
f = 100kHz, I
OUT
= 25mA
C
OUT
= 1F
I
LOAD
= 30mA
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9058-01 February 2016
www.richtek.com
3
RT9058
Note 1.
Stresses beyond those listed
“Absolute
Maximum Ratings” may cause permanent damage to the device. These are
stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in
the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions may
affect device reliability.
Note 2.
θ
JA
is measured at T
A
= 25°C on a high effective thermal conductivity four-layer test board per JEDEC 51-7.
Note 3.
Devices are ESD sensitive. Handling precaution is recommended.
Note 4.
The device is not guaranteed to function outside its operating conditions.
Typical Application Circuit
RT9058
V
CC
VCC
VOUT
V
OUT
C
OUT
(Effective Capacitance
C
IN
1µF
1µF)
GND
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
4
DS9058-01 February 2016
RT9058
Typical Operating Characteristics
Output Voltage vs. Temperature
3.35
3.34
3.33
Output Voltage vs. Output Current
3.38
3.36
Output Voltage (V)
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
-50
-25
0
25
50
75
100
125
Output Voltage (V)
3.34
3.32
3.30
3.28
3.26
3.24
Load
Load
Load
Load
= 0mA
= 10mA
= 20mA
= 50mA
V
CC
= 36V
V
CC
= 24V
V
CC
= 12V
V
CC
= 12V, V
OUT
= 3.3V
3.22
0
10
20
30
40
50
60
70
V
OUT
= 3.3V
80
90
100
Temperature (°C)
Output Current (mA)
Output Voltage vs. Input Voltage
3.40
Dropout Voltage vs. Temperature
2.2
Output Voltage (V)
3.35
Dropout Voltage (V)
1.8
1.3
3.30
Load
Load
Load
Load
= 0mA
= 10mA
= 20mA
= 50mA
Load = 50mA
0.9
Load = 20mA
Load = 10mA
V
OUT
= 3.3V
3.25
0.4
V
CC
= 5V to 36V, V
OUT
= 3.3V
3.20
4
8
12
16
20
24
28
32
36
0.0
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature (°C)
Quiescent Current vs. Input Voltage
3.0
2.5
2.0
1.5
1.0
0.5
Quiescent Current vs. Temperature
3.0
Quiescent Current (µA)
Quiescent Current (µA)
2.5
2.0
V
CC
= 24V
V
CC
= 36V
V
CC
= 12V
1.5
V
CC
= 4V to 36V, V
OUT
= 3.3V
0.0
4
8
12
16
20
24
28
32
36
V
OUT
= 3.3V
1.0
-50
-25
0
25
50
75
100
125
Input Voltage (V)
Temperature (°C)
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS9058-01 February 2016
www.richtek.com
5
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