XC6224 Series
ETR0340-005
1.2V Low Voltage Operation,150mA High Speed LDO Voltage Regulator
■GENERAL DESCRIPTION
The XC6224 series is a high speed LDO regulator that features high accurate, low noise, high ripple rejection, low dropout
and low power consumption. The series consists of a voltage reference, an error amplifier, a driver transistor, a current limiter,
and a phase compensation circuit.
This IC is suitable for a local power supply placed in adjacent to the system logic LSI or others, because of low input voltage
operation, using an ultra small package USPN-4B02 (0.75mm x 0.95mm) and stable operation with a small phase
compensation capacitor (C
Also, this IC has fast transient response and high ripple rejection (70dB @ 1kHz).
The CE function enables the circuit to be in stand-by mode by inputting low level signal. In the stand-by mode, the series
enables the electric charge at the output capacitor C
quickly returns to the V
The over current protection circuit is integrated and operates when the output current reaches current limit level.
■APPLICATIONS
●Cell phones
●Digital still cameras
●Portable electronic devices
●Portable media players
●Bluetooth
●Wireless LAN
●Terrestrial digital TV tuners
■TYPICAL APPLICATION CIRCUIT
) 0.47μF.
L
SS level.
L to be discharged via the internal switch, and as a result the VOUT pin
■FEATURES
Maximum Output Current : 150mA
Operating Voltage Range : 1.2V～3.6V
High Accuracy : ±1.5％ (V
: ±20mV (V
=1.25V～3.0V)
OUT
= 0.8V～1.20V)
OUT
Low Power Consumption : 33μA (TY P.)
Stand-by Current : 0.1μA
High Ripple Rejection : 70dB@1kHz
Dropout Voltage : 210mV＠150mA (V
OUT
=2.8V)
Operating Temperature Range : -40℃～+85℃
Protection Circuits : Current Limiter
Short Circuit Protection
ON/OFF Control : Active High
C
Auto Discharge Function
L
Output Capacitor : Low ESR Capacitor
Packages : USPN-4B02
SSOT-24
SOT-25
Environmentally Friendly : EU RoHS Compliant, Pb Free
■TYPICAL PERFORMANCE
CHARACTERISTICS
500
450
400
[mA]
350
OUT
300
250
200
150
100
Output Current: I
50
0
XC6224x181
I
= 1 mA ⇔ 15 0mA, tr =t f=0.5 μs,
OUT
= 2.80V, Ta=25℃, CIN=CL=0.47μF
V
IN
Output Voltage
Output Current
Time [10us/div]
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
1.45
[V]
OUT
Output Voltage: V
1/26
XC6224 Series
■PIN CONFIGURATION
5 4
VIN
CE
14
23
VOUT
VSS
USPN-4B02
(BOTTOM VIEW)
■PIN ASSIGNMENT
PIN NUMBER
USPN-4B02 SSOT-24 SOT-25
4 4 1 VIN
1 3 5 V
4
VIN VOUT
CE
1
3
VSS
2
SSOT-24
(TOP VIEW)
VOUT
VIN
1
VSS
2
N.C.
CE
3
SOT-25
(TOP VIEW)
PIN NAME FUNCTIONS
Power Input
Output
OUT
2 2 2 VSS
3 1 3 CE
- - 4 NC
■PRODUCT CLASSIFICATION
●Ordering Information
XC6224①②③④⑤⑥-⑦
DESIGNATOR ITEM SYMBOL DESCRIPTION
①
②③
④
(*1)
CE Active High, with CL Discharge, ±1% Accuracy
Type of Regulator
Output Voltage
Output Voltage
(The 2nd Decimal Place)
A
(The Recommended Type)
B With CE pull-down
08～30 ex.) 2.5V → ②=2, ③=5
1 {x.x0V} (the 2nd decimal place is “0”)
B {x.x5V} (the 2nd decimal place is “5”)
7R-G USPN-4B02 (5,000/Reel)
Ground
ON/OFF Control
No Connection
Without CE pull-down
2/26
⑤⑥-⑦
(*1)
The “-G” suffix indicates that the products are Halogen and Antimony free as well as being fully RoHS compliant.
Packages (Order Unit)
MR-G SOT-25 (3,000/Reel)
NR-G SSOT-24 (3,000/Reel)
■BLOCK DIAGRAMS
(1) XC6224Axxxxx
XC6224
Series
(2) XC6224Bxxxxx
VIN
CE
CurrentLimit
ON/OFF
Control
each
circuit
Error
Amp
CFB
+
-
Voltage
Reference
R1
Rdischg
R2
CE
VOUT
VSS
■ABSOLUTE MAXIMUM RATINGS
PAR AMETER SYMBOL RATINGS UNITS
Input Voltage
Output Current
Output Voltage
CE Input Voltage
USPN-4B02
Power Dissipation
SSOT24
SOT-25
Operating Temperature Range
Storage Temperature Range
*1: Please use within the range of I
*2: This is a reference data taken by using the test board. Please refer to page 20～22 for details.
≦Pd／（VIN－V
OUT
VIN
CurrentLimit
CE
VIN V
180
I
OUT
V
V
OUT
VCE V
ON/OFF
Control
SS
-0.3～VIN+0.3 V
SS
SS
each
circuit
-0.3～+4.6 V
(*1)
mA
-0.3～4.6 V
Error
Amp
CFB
+
-
Voltage
Reference
R1
Rdischg
R2
CE
100
(*2)
(*2)
mW
Pd
550 (PCB mounted)
150
500 (PCB mounted)
250
600 (PCB mounted)
(*2)
Topr -40～+85 ℃
Tst g - 55～+125 ℃
）
OUT
VOUT
VSS
3/26
XC6224 Series
■ELECTRICAL CHARACTERISTICS
●XC6224Axxxxx
PAR AMET ER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS
V
≧1.25V
OUT（T
V
Output Voltage
Maximum Output
Current
Load Regulation ΔV
Dropout Voltage
(*4)
OUT(E)
（*3）
I
OUTMAX
OUT
Vdif
Supply Current IDD V
Stand-by Current
Line Regulation
I
（ΔV
STBY
ΔV
OUT
IN・VOUT
V
CE=VIN, IOUT
V
OUT（T
V
CE=VIN
VCE=V
V
CE=VIN
0.1mA≦I
I
OUT
V
CE=VIN, VIN=VOUT(E)
CE=VIN, IOUT
VCE=VSS 0.01 0.4 μA ②
V
OUT（T
V
OUT(T)
/
V
CE=VIN
）
V
OUT（T
1.6V≦V
V
CE=VIN
）
=10mA
≦1.2V
）
, I
=10mA
OUT
150 - - mA ①
IN
≦150mA
OUT
=150mA
=0mA
≧1.10V
）
+0.5V≦VIN≦3.6V
, I
=10mA
OUT
≦1.05V
）
≦3.6V
IN
, I
=10mA
OUT
×0.98
(*2)
(*2)
(*3)
V
×0.985
OUT(T)
(*7)
-20mV
- 5 20 mV ①
- 33 77 μA ②
- 0.04 0.37 %/V ①
Input Voltage VIN 1.2 - 3.6 V ①
Output Voltage
Temperature
Characteristics
Ripple Rejection Rate
PSRR
Current Limit I
Short Current I
CE High Level Voltage
CE Low Level Voltage
V
V
CE High Level
Current
CE High Level
Current
CL Discharge
Resistance
V
/
ΔV
（ΔTa ・V
OUT
OUT
CE=VIN, IOUT
）
-40℃≦Ta ≦85℃
V
CE=VIN
・When 0.80V≦V
V
=3.0V＋0.5Vp-pAC
IN
・2.65V≦V
V
I
OUT
VCE=VIN 150 250 - mA ①
LIM
VCE=V
SHORT
1.0 - 3.6 V ④
CEH
- - 0.3 V ④
CEL
V
I
CEH
VCE=V
I
CEL
VIN=3.6V, VCE=VSS - 450 - Ω ①
R
DCHG
CE=VIN
A Type
OUT（T
=3.3V+0.25Vp-pAC
IN
=30mA, f=1kHz
IN, VOUT
-0.1 0 0.1 μA ④
SS
(*1)
=30mA
OUT（T
≦3.00V
）
(*2)
≦2.60V,
）
- ±100 - ppm/℃ ①
- 70 - dB ③
is connected to VSS - 35 - mA ①
-0.1 0 0.1 μA ④
NOTE:
*1: Unless otherwise specified, input voltage conditions are;
0.80V≦V
2.65V≦V
2.85V≦V
*2: V
*3: V
*4: Vdif＝{V
*5: V
*6: V
*7: V
: Nominal output voltage
OUT(T)
: Effective output voltage
OUT(E)
This output voltages are measured at the constant current when the input voltages are stable as Note 1.
IN1
OUT1
OUT(T)
{*5}
IN1
=The input voltage when V
=A voltage equal to 98% of the output voltage whenever an amply stabilized I
±20mV is the specification value of output voltage where V
≦2.60V ： {VIN=V
OUT(T)
≦2.80V ： {VIN=3.3V}
OUT(T)
≦3.00V ： {VIN=3.5V}
OUT(T)
{*6}
－V
OUT1
}
appears as input voltage is gradually decreased.
OUT1
OUT(T)
+1.0V}
OUT(T)
OUT
≦1.20V
{V
(*2)
OUT(T)
V
V
OUT(T)
(*2)
OUT(T)
(*2)
V
OUT(T)
+20mV
×1.015
(*7)
(*2)
V ①
E-1 mV ①
+1.0V} is input
Ta =2 5℃
CURCUITS
4/26
XC6224
■ELECTRICAL CHARACTERISTICS (Continued)
●XC6224Bxxxxx
PAR AMET ER SYMBOL CONDITIONS MIN. TYP. MAX. UNITS
V
≧1.25V
OUT（T
Output Voltage
Maximum Output
Current
V
I
Load Regulation ΔV
Dropout Voltage
(*4)
Supply Current IDD
Stand-by Current
Line Regulation
I
ΔV
（ΔV
OUT(E)
（*3）
VCE=V
OUTMAX
OUT
Vdif
VCE=VSS - 0.01 0.4 μA ②
STBY
/
OUT
）
IN・VOUT
）
, I
V
CE=VIN
OUT
V
≦1.2V, VIN=2.5V
OUT（T
）
, I
V
CE=VIN
OUT
(*1)
IN
(*1)
V
CE=VIN
0.1mA≦I
I
OUT
V
V
V
I
OUT
V
V
V
V
1.6V≦V
V
OUT
=150mA,
CE=VIN
IN=VOUT(E)
(*1)
CE=VIN
=0mA
≧1.10V
OUT（T
）
+0.5V≦VIN≦3.6V
OUT(T)
CE=VIN、IOUT
≦1.05V
OUT（T
）
≦3.6V
IN
CE=VIN、IOUT
=10mA
=10mA
150 - - mA ①
≦150mA
(*3)
×0.98
(*2)
=10mA
=10mA
(*2)
V
OUT(T)
-20mV
×0.985
(*7)
(*2)
V
(T)
OUT
V
OUT
(T)
(*2)
V
OUT(T)
(*2)
+20mV
×1.015
(*7)
(*2)
- 5 20 mV ①
E-1 mV ①
- 33 77 μA ②
- 0.04 0.37 %/V ①
Input Voltage VIN 1.2 - 3.6 V ①
Output Voltage
Temperature
Characteristics
Ripple Rejection Rate
PSRR
Current Limit I
Short Current I
CE High Level
Voltage
CE Low Level Voltage
V
CE High Level
Current
CE High Level
Current
CL Discharge
Resistance
ΔV
（ΔTa ・V
OUT
OUT
V
/
CE=VIN, IOUT
）
-40℃≦Ta ≦85℃
V
CE=VIN
・When 0.80V≦V
V
=3.0V＋0.5Vp-pAC
IN
・2.65V≦V
V
I
OUT
V
LIM
VCE=V
SHORT
V
CEH
- - 0.3 V ④
CEL
I
CEH
V
I
CEL
VIN=3.6V, VCE=VSS - 450 - Ω ①
R
DCHG
CE=VIN
V
CE=VIN
B Type
CE=VSS
OUT（T
=3.3V+0.25Vp-pAC
IN
=30mA、f=1kHz
150 250 - mA ①
IN, VOUT
-0.1 0 0.1 μA ④
(*1)
=30mA
OUT（T
≦3.00V
）
(*2)
≦2.60V
）
is connected to V
- ±100 -
- 70 - dB ③
SS
- 35 - mA ①
1.0 - 3.6 V ④
- 5.5 13.0 μA ④
NOTE:
*1: Unless otherwise specified, input voltage conditions are;
0.80V≦V
2.65V≦V
2.85V≦V
*2: V
*3: V
*4: Vdif＝{V
*5: V
*6: V
*7: V
: Nominal output voltage
OUT(T)
: Effective output voltage
OUT(E)
This output voltages are measured at the constant current when the input voltages are stable as Note 1.
IN1
OUT1
OUT(T)
{*5}
IN1
=The input voltage when V
=A voltage equal to 98% of the output voltage whenever an amply stabilized I
±20mV is the specification value of output voltage where V
≦2.60V ： {VIN=V
OUT(T)
≦2.80V ： {VIN=3.3V}
OUT(T)
≦3.00V ： {VIN=3.5V}
OUT(T)
{*6}
－V
OUT1
}
+1.0V}
OUT(T)
appears as input voltage is gradually decreased.
OUT1
≦1.20V.
OUT(T)
OUT
{V
OUT(T)
+1.0V} is input
Ta =2 5℃
V ①
ppm/
℃
Series
CURCUITS
①
5/26
XC6224 Series
■ELECTRICAL CHARACTERISTICS (Continued)
●Voltage Table
NOMINAL
OUTPUT
VOLTAGE (V)
V
OUT(T)
0.80 0.7800 0.8200 - -
0.85 0.8300 0.8700 - -
0.90 0.8800 0.9200 - -
0.95 0.9300 0.9700 - -
1.00 0.9800 1.0200 - -
1.05 1.0300 1.0700
1.10 1.0800 1.1200 - -
1.15 1.1300 1.1700 - -
1.20 1.1800 1.2200
1.25
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
OUTPUT VOLTAGE
V
OUT(E)
(V)
MIN. MAX. TYP.
1.2313 1.2687
1.2805 1.3195
1.3298 1.3702
1.3790 1.4210
1.4283 1.4717
1.4775 1.5225
1.5268 1.5732
1.5760 1.6240
1.6253 1.6747
1.6745 1.7255
1.7238 1.7762
1.7730 1.8270
1.8223 1.8777
1.8715 1.9285
1.9208 1.9792
1.9700 2.0300
2.0193 2.0807
2.0685 2.1315
2.1178 2.1822
2.1670 2.2330
2.2163 2.2837
2.2655 2.3345
2.3148 2.3852
2.3640 2.4360
2.4133 2.4867
2.4625 2.5375
2.5118 2.5882
2.5610 2.6390
2.6103 2.6897
2.6595 2.7405
2.7088 2.7912
2.7580 2.8420
2.8073 2.8927
2.8565 2.9435
2.9058 2.9942
2.9550 3.0450
(*1)
DROPOUT VOLTAGE （E-1）
(mV)
Vdif
MAX.
-
400 500
300 430
210 410
-
6/26
(*1) When V
When V
≦1.20V, the output voltage accuracy is ±20mV.
OUT(T)
≧1.25V, the output voltage accuracy is ±1.5%.
OUT(T)
p
XC6224
■ OPERATIONAL EXPLANATION
(1) XC6224Axxxxx
The voltage divided by resistors R1 & R2 is compared with the internal reference voltage by the error amplifier. The
P-channel MOSFET which is connected to the V
at the V
protection operate in relation to the level of output current. Further, the IC’s internal circuitry can be shutdown via the CE
■ NOTES ON USE
OUT pin is controlled and stabilized by a system of negative feedback. The current limit circuit and short circuit
in signal.
<Low ESR Capacitor>
The XC6224 needs an output capacitor C
to ensure the stable phase compensation, please place an output capacitor C
as possible. For a stable power input, please connect an input capacitor C
pin.
<Current Limiter, Short-Circuit Protection>
The protection circuit operates as a combination of an output current limiter and fold-back short circuit protection.
When load current reaches the current limit level, the output voltage drops. As a result, the load current starts to reduce
with showing fold-back curve. The output current finally falls at the level of 35mA when the output pin is short-circuited.
<CE Pin>
The IC's internal circuitry can be shutdown via the signal from the CE pin. In shutdown mode, output at the V
be pulled down to the V
SS level in the XC6224B series. When the CE pin is open, the output voltage becomes undefined
state in the XC6224A series because of a high active and no pull-down. Although the CE pin is equal to CMOS input
configuration, the CE pin input current which flows into a pull-down resistor will increase in the XC6224B series
1． For temporary, transitional voltage drop or voltage rising phenomenon, the IC is liable to malfunction should the ratings
be exceeded.
2. Torex places an importance on improving our products and its reliability.
However, by any possibility, we would request user fail-safe design and post-aging treatment on system or equipment.
3. Where wiring impedance is high, operations may become unstable due to the noise and/or phase lag depending on
output current. Please strengthen VIN and VSS wiring in particular.
4. The input capacitor C
IN and the output capacitor CL should be placed to the IC as close as possible with a shorter wiring.
OUT pin is then driven by the subsequent output signal. The output voltage
L and a built-in phase compensation circuit for phase compensation. In order
(2) XC6224Bxxxxx
of 0.47μF or bigger at the V
L
IN of 0.47μF between the VIN pin and the VSS
pin as close
OUT
OUT pin will
Series
7/26
XC6224 Series
■TEST CIRCUITS
●Circuit ①
VIN
CIN：0.47μF
(ceramic)
V
CE
VSS
VOUT
CL：0.47μF
(ceramic)
A
IOUT
V
●Circuit ②
●Circuit ③
8/26
●Circuit ④
CIN：0.47μF
(ceramic)
VIN
CE
A
V
VSS
VOUT
CL：0.47μF
(ceramic)
V
Loading...