XC6373C670DR [TOREX]
Analog Circuit;
| 型号： | XC6373C670DR |
| 厂家： | 
Torex Semiconductor |
| 描述： | Analog Circuit |
| 文件： | 总19页 (文件大小：742K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
XC6371/XC6372/XC6373Series
ETR0402_002
PWM Controlled Step - Up DC/DC Contorollers/Convereters
☆GO-Compatible
■GENERAL DESCRIPTION
The XC6371/6372/6373 series are a group of PWM controlled and PWM/PFM controlled step-up DC/DC converters. The
built-in 1.4Ω switching transistor type enables a step-up circuit to be configured using only three components, a coil, a diode,
and a capacitor.
Output voltage can be selectable in the range from 2.0V to 7.0V in increments of 100mV (accuracy:±2.5%). Oscillation
frequency is also selectable from 50kHz, 100kHz, and 180kHz (accuracy:±15%) for the XC6371 and the XC6372 series.
Soft-start time is internally set and offers protection against in-rush currents when the power is switched on and prevents
voltage overshoot. 5 pin packages, which are provided with either a CE (chip enable) function that reduces power
consumption during shut-down mode, or a VDD pin (separated power and voltage detect pins) are available.
The XC6371 series is the standard PWM controlled products. The control of the XC6372 series switches from PWM to PFM
control during light loads when automatically switching is selected and the series is highly efficient from light loads to large
output currents. Since the XC6373 series is a low noise, it is suitable for a wireless circuit. Also the series is particularly
suited for use with pager applications because oscillation frequency is set at 30kHz (±20%) so as to attain the lowest
consumption current possible.
■APPLICATIONS
●Cellular phones, Pagers
■FEATURES
Operation Start Voltage Range : 0.9V~10V
Output Voltage Range
Highly Accurate
:
2.0V~7.0V in 100mV increments
: Setting voltage accuracy±2.5%
●Palmtops
Oscillation Frequency
:
50kHz, 100kHz, 180kHz (
selectable (XC6371/72)
30kHz (XC6373)
±15%)
●Cameras, Video recorders
●Portable products
Maximum Output Currents (Tr. built-in)
:
100mA(TYP.) @ VIN=3.0V, VOUT=5.0V *
Highly Efficient (Tr. built-in)
:
85%(TYP.) @ VIN=3.0V, VOUT=5.0V *
Built-in switching transistor type.
Five-lead packaged units offer either chip enable or
independent VOUT pin option.
Phase compensation and soft start-up circuits built-in.
CMOS Low Power Consumption
Small Packages
: SOT-89, SOT-89-5,USP-6B
*: Performance depends on external components and
PCB layout.
■TYPICAL PERFORMANCE
■
TYPICAL APPLICATION CIRCUIT
1/19
XC6371/XC6372/XC6373 Series
■PIN CONFIGURATION
*The dissipation pad for the USP-6B
package should be solder-plated in
recommended mount pattern and metal
masking so as to enhance mounting
strength and heat release. If the pad needs
to be connected to other pins, it should be
connected to the pin No.1.
■PIN ASSIGNMENT
XC6371/72/73A
PIN NUMBER
PIN NAME
FUNCTION
SOT-89
USP-6B
1
2
6
VSS
VOUT
Lx
Ground
Output Voltage Monitor/IC Internal Power Supply
Switch
1
4
3
－
2, 3, 5
NC
No Connection
XC6371/72/73C
PIN NUMBER
PIN NAME
FUNCTION
SOT-89-5
USP-6B
5
2
4
3
1
6
1
VSS
VOUT
Lx
Ground
Output Voltage Monitor/IC Internal Power Supply
4
Switch
3
CE
Chip Enable
No Connection
2, 5
NC
XC6371/72/73E
PIN NUMBER
PIN NAME
FUNCTION
SOT-89-5
USP-6B
5
2
4
3
1
6
1
VSS
VDD
Lx
Ground
IC Internal Power Supply
Switch
4
3
VOUT
NC
Output Voltage Monitor
No Connection
2, 5
2/19
XC6371/XC6372/XC6373
Series
■PRODUCT CLASSIFICATION
●Selection Guide
START
PWM
XC6371
XC6373
XC6371/73A
XC6371/73C
Standard
Low Frequency PWM
Chip Enable
Separated
VDD/VOUT
XC6371/73E
Standard
XC6372A
XC6372C
PWM/PFM
Chip Enable
Separated
VDD/VOUT
XC6372E
●Ordering Information
XC6371①②③④⑤⑥ : PWM controlled
XC6372①②③④⑤⑥ : PWM/PFM switching control
DESIGNATOR
DESCRIPTION
SYMBOL
DESCRIPTION
A
C
E
: 3-pin DC/DC converter with built-in switching transistor
: Stand-by capability with built-in switching transistor
: Separated VDD and VOUT with built-in switching transistor
Type of
①
DC/DC Converter
② ③
④
Output Voltage
Integer
: e.g. VOUT=3.5V→②=3, ③=5
0
1
2
: 50kHz
Oscillation Frequency
: 100kHz
: 180kHz
: SOT-89 (XC6371/72 A type)
: SOT-89-5 (XC6371/72 C/D type)
: USP-6B
P
⑤
⑥
Package
D
R
L
: Embossed tape, standard feed
: Embossed tape, reverse feed
Device Orientation
XC6373①②③④⑤⑥ : PWM controlled
DESCRIPTION
DESCRIPTION
DESIGNATOR
SYMBOL
: 3-pin DC/DC converter with built-in switching transistor
: Stand-by capability with built-in switching transistor
: Separated VDD and VOUT with built-in switching transistor
A
C
E
Type of
①
DC/DC Converter
②
③
Output Voltage
Integer
: e.g. VOUT=3.5V→②=3, ③=5
: 30kHz
④
Oscillation Frequency
0
: SOT-89 (XC6373 A type)
: SOT-89-5 (XC6373 C/D type)
: USP-6B
P
⑤
Package
D
R
L
: Embossed tape, standard feed
: Embossed tape, reverse feed
⑥
Device Orientation
3/19
XC6371/XC6372/XC6373 Series
■BLOCK DIAGRAMS
XC6371/72/73A, C
(The VOUT pin serves also as VDD)
Lx
VLx limiter
Soft Start
Vref
VDD
Buffer
VOUT
PWM Control
OSC 50/100/180KHz
Phase comp
VSS
+
－
EXT
Chip Enable
CE
Note: The CE pin is only used with the XC6371C.
XC6371/72/73E
VDD
V
DD
Lx
VLx limiter
Soft Start
Vref
Buffer
V
OUT
PWM Control
OSC 50/100/180KHz
Phase comp
V
SS
+
－
EXT
Note: Built-in transistor type units use the Lx pin.
■ABSOLUTE MAXIMUM RATINGS
Ta=25℃
PARAMETER
VOUT Input Voltage
LX pin Voltage
SYMBOL
VOUT
VLX
RATINGS
12
UNITS
V
V
12
LX pin Current
ILX
400
mA
V
CE Input Voltage
VCE
12
SOT-89, 89-5
USP-6B
500
Power Dissipation
Pd
mW
100
VDD Input Voltage
VDD
Topr
Tstg
12
V
Operating Temperature Range
Storage Temperature Range
-30~＋80
-40~＋125
℃
℃
4/19
XC6371/XC6372/XC6373
Series
■ELECTRICAL CHARACTERISTICS
VOUT=5.0V, FOSC=100kHZ
XC6371/72A501PR
Ta=25℃
PARAMETER
Output Voltage
SYMBOL
VOUT
VIN
CONDITIONS
MIN.
4.875
10
TYP.
MAX. UNITS
5.000
5.125
-
V
V
V
Maximum Input Voltage
Operation Start Voltage
-
-
VST1
External Components Connected, IOUT=1mA
No external components. Apply voltage to VOUT
Lx : 10kΩ pull-up to 5V
-
0.90
Oscillation Start Voltage
No Load Input Current
Supply Current 1
VST2
IIN
-
-
-
-
0.80
25.7
V
VIN=VOUT×0.8, IOUT=0mA (*1)
Same as VST2,
12.8
80.2
μA
μA
IDD1
133.8
Apply output voltage×0.95 to VOUT
Same as VST2,
Supply Current 2
IDD2
-
-
8.2
1.4
16.5
2.4
μA
Apply output voltage×1.1 to VOUT
Lx Switch-On
Resistance
RSWON
Same as IDD1, VLX=0.4V
Ω
Lx Leak Current
ILXL
No external components. VOUT=VLX=10V
Same as IDD1. Measuring of Lx waveform
Same as IDD1. Measuring of Lx waveform
Same as IDD1. Measuring of Lx waveform
Same as IDD1. Apply output voltage to Lx,
Voltage required to produce FOSC×2
-
-
1.0
115
92
μA
kHz
%
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio (*4)
FOSC
85
80
10
100
87
MAXDTY
PFMDTY
17
25
%
Lx Limit Voltage
VLXLMT
0.7
-
1.3
V
Efficiency
EFFI
TSS
-
85
-
%
Slow-Start Time
4.0
10.0
20.0
mS
NOTE: Unless otherwise stated, VIN=VOUT×0.6, IOUT=50mA. See Typical Application Circuits, Circuit1
*1: The Schottky diode (SD) must be type MA735, with reverse current (IR)<1.0μA at reverse voltage (VR)=10.0V.(XC6372A)
*2: "Supply Current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically
operates which results in less average power consumption. The current actually provided by an external VIN source is represented by
"No Load Input Current (IIN)".
*3: When PWM operates at PWM Mode.
*4: When PFM operates at PFM Mode.(XC6372A)
5/19
XC6371/XC6372/XC6373 Series
■ELECTRICAL CHARACTERISTICS (Continued)
XC6371/72C501PR
VOUT=5.0V, FOSC=100kHz
Ta=25℃
PARAMETER
Output Voltage
SYMBOL
CONDITIONS
MIN.
4.875
10
TYP.
MAX. UNITS
VOUT
VIN
5.000
5.125
-
V
V
V
Maximum Input Voltage
Operation Start Voltage
-
-
VST1
External Components Connected, IOUT=1mA
No external components. Apply voltage to VOUT,
Lx : 10kΩ pull-up to 5V
-
0.90
Operation Start Voltage
No Load Input Current
Supply Current 1
VST2
IIN
-
-
-
-
0.80
25.7
V
VIN=VOUT×0.8, IOUT=0mA (*1)
Same as VST2,
12.8
80.2
μA
μA
IDD1
133.8
Apply output voltage×0.95 to VOUT
Same as VST2,
Supply Current 2
IDD2
-
-
8.2
1.4
16.5
2.4
μA
Apply output voltage×1.1 to VOUT
Lx Switch-On
Resistance
RSWON
Same as IDD1, VLx=0.4V
Ω
Lx Leak Current
ILXL
FOSC
MAXDTY
PFMDTY
ISTB
No external components, VOUT =VLX=10V
Same as IDD1, Measuring of Lx waveform
Same as IDD1, Measuring of Lx waveform
Same as IDD1, Measuring of Lx waveform
Same as IDD1
-
85
80
10
-
-
1.0
115
92
μA
kHZ
%
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio (*4)
Stand-by Current
CE "High" Voltage
CE "Low" Voltage
CE "High" Current
CE "Low" Current
100
87
17
-
25
%
0.5
-
μA
V
VCEH
Same as IDD1, Lx Oscillation start
Same as IDD1, Lx Oscillation stop
Same as IDD1, VCE=VOUT×0.95
Same as IDD1, VCE=0V
0.75
-
-
VCEL
-
0.20
0.25
-0.25
V
ICEH
-
-
μA
μA
ICEL
-
-
Same as IDD1, Apply output voltage to Lx,
Voltage required to produce FOSC×2
Lx Limit Voltage
VLxLMT
0.7
-
1.3
V
Efficiency
EFFI
TSS
-
85
-
%
Slow-Start Time
4.0
10.0
20.0
ms
NOTE: Unless otherwise stated, connect CE to VOUT, VIN=VOUT×0.6, IOUT=50mA. See Typical Application Circuits, Circuit 2.
*1: The Schottky diode (SD) must be type MA735, with reverse current (IR)<1.0μA at reverse voltage (VR)=10.0V.(XC6372C)
*2: "Supply Current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically
operates which results in less average power consumption. The current actually provided by an external VIN source is represented by
"No Load Input Current (IIN)".
*3: When PWM operates at PWM Mode.
*4: When PFM operates at PFM Mode.(XC6372C)
6/19
XC6371/XC6372/XC6373
Series
■ELECTRICAL CHARACTERISTICS (Continued)
VOUT=5.0V, FOSC=100kHz
Ta=25℃
XC6371/72E501PR
PARAMETER
SYMBOL
CONDITIONS
MIN.
4.875
10
TYP.
MAX.
5.125
-
UNITS
Output Voltage
VOUT
VIN
5.000
V
V
V
Maximum Input Voltage
Operation Start Voltage
-
-
VST1
External Components Connected, IOUT=1mA
No external components,
-
0.90
Oscillation Start Voltage
No Load Input Voltage
Supply Current 1
VST2
IIN
-
-
-
-
0.80
25.7
V
Apply voltage to VOUT, Lx:10kΩpull-up to 5V
VIN=VOUT×0.8, IOUT=0mA(*1)
Same as VST2,
12.8
80.2
μA
μA
IDD1
133.8
Apply output voltage×0.95 to VOUT
Same as VST2,
Supply Current 2
IDD2
-
-
8.2
1.4
16.5
2.4
μA
Apply output voltage×1.1 to VOUT
Lx Switch-On
Resistance
RSWON
Same as IDD1, VLX=0.4V
Ω
Lx Leak Current
ILXL
No external components, VOUT =VLX=10V
Same as IDD1, Measuring of Lx waveform
Same as IDD1, Measuring of Lx waveform
Same as IDD1, Measuring of Lx waveform
Same as IDD1, Apply output voltage to Lx,
Voltage required to produce FOSC×2
-
-
1.0
115
92
μA
kHZ
%
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio (*4)
FOSC
85
80
10
100
87
17
MAXDTY
PFMDTY
25
%
Lx Limit Voltage
VLxLMT
0.7
-
1.3
V
Efficiency
EFFI
TSS
-
85
-
%
Slow-Start Time
4.0
10.0
20.0
ms
NOTE: Unless otherwise stated, connect VDD to VOUT, VIN=VOUT×0.6, IOUT=50mA. See Typical Application Circuits, Circuit 3.
*1: The Schottky diode (SD) must be type MA2Q735, with reverse current (IR)<1.0μA at reverse voltage (VR)=10.0V.(XC6372E)
*2: "Supply current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically
operates which results in less average power consumption. The current actually provided by external VIN source is represented by "No
Load Input Current (IIN)".
*3: When PWM operates at PWM Mode.
*4: When PFM operates at PFM Mode.(XC6372E)
*5: When the VDD and VOUT pins are independently used, the voltage range at the VDD pin should be 2.2V to 10V. The IC operates from
VDD=0.8V. However, output voltage and oscillation frequency are properly stabilized when VDD=2.2V or higher.
7/19
XC6371/XC6372/XC6373 Series
■ELECTRICAL CHARACTERISTICS (Continued)
XC6373A300PR
PARAMETER
Output Voltage
VOUT=3.0V, FOSC=30kHz
Ta=25℃
SYMBOL
VOUT
CONDITIONS
MIN.
TYP.
MAX. UNITS
2.925 3.000 3.075
V
V
Maximum Input Voltage
VIN
10
-
-
External Components Connected,
IOUT=1mA
Operation Start Voltage
VST1
-
-
0.90
V
V
No external components,
Oscillation Start Voltage
Supply Current 1
VST2
IDD1
-
-
-
0.80
21.9
Apply voltage to VOUT, LX :10kΩpull-up to 5V
Same as VST2.
13.1
μA
Apply output voltage×0.95 to VOUT
Same as VST2,
Supply Current 2
Lx Switch-On Resistance
Lx Leak Current
IDD2
RSWON
ILXL
-
-
-
3.9
3.4
-
7.9
5.7
1.0
μA
Ω
Apply output voltage×1.1 to VOUT
Same as IDD1, VLX=0.4V
No external components,
μA
VOUT =VLX=10V
Oscillation Frequency
Maximum Duty Ratio
Efficiency
FOSC
MAXDTY
EFFI
Same as IDD1, Measuring of Lx waveform
Same as IDD1, Measuring of Lx waveform
24
80
-
30
87
36
92
kHZ
%
77
-
%
Slow-Start Time
TSS
4.0
10.0
20.0
mS
NOTE: Unless otherwise stated, VIN=VOUT×0.6, IOUT=15mA. See Typical Application Circuits, Circuit 1.
VOUT=3.3V, FOSC=30kHz
XC6373A330PR
Ta=25℃
PARAMETER
Output Voltage
SYMBOL
VOUT
CONDITIONS
MIN.
TYP.
MAX. UNITS
3.128 3.300 3.383
V
V
V
Maximum Input Voltage
Operation Start Voltage
VIN
10
-
-
-
-
VST1
External Components Connected, IOUT=1mA
No external components,
0.90
Oscillation Start Voltage
Supply Current 1
VST2
IDD1
-
-
-
14.1
4.0
3.4
-
0.80
23.5
8.1
5.7
1.0
36
V
Apply voltage to VOUT, LX :10kΩpull-up to 5V
Same as VST2,
μA
μA
Ω
Apply output voltage×0.95 to VOUT
Same as VST2,
Supply Current 2
IDD2
-
Apply output voltage×1.1 to VOUT
Lx Switch-On
Resistance
RSWON
ILXL
Same as IDD1. VLX=0.4V
-
No external components,
VOUT =VLX=10V
Lx Leak Current
Oscillation Frequency
Maximum Duty Ratio
-
μA
kHZ
%
Same as IDD1,
FOSC
MAXDTY
24
80
30
87
Measuring of Lx waveform
Same as IDD1,
92
Measuring of Lx waveform
Efficiency
EFFI
TSS
-
77
-
%
Slow-Start Time
4.0
10.0
20.0
mS
NOTE: Unless otherwise stated, VIN=VOUT×0.6, IOUT=16.5mA. See Typical Application Circuits, Circuit 1.
8/19
XC6371/XC6372/XC6373
Series
■TYPICAL APPRICATION CIRCUITS
Circuit 1: XC6372A series
Circuit 2: XC6372C series
L
: 100μH (CR54, SUMIDA)
SD : MA2Q735 (Schottky Diode; MATUSHITA)
CL : 16V 47μF (Tantalum Capacitor, NICHICHEMI MCE)
Circuit 3: XC6372E series
L
: 100μH (CR54, SUMIDA)
SD : MA2Q735 (Schottky Diode; MATUSHITA)
CL : 16V 47μF (Tantalum Capacitor; NICHICHEMI MCE)
9/19
XC6371/XC6372/XC6373 Series
■TYPICAL PERFORMANCE CHARACTERISTICS
(1) Output Voltage vs. Output Current
XC6371A501PR
XC6371A301PR
L＝100μH(CR54),CL＝47μF(Tantalum)
L＝100μH（CR54），CL＝47μF（Tantalum）
5.2
5.1
5.0
4.9
4.8
3.10
3.05
3.00
2.95
2.90
1.2V
1.5V
2.0V
3.0V
1.5V
1.8V
1.2V
V
IN=1.0V
V
IN=0.9V
4.0V
2.7V
0.1
1
10
100
1000
0.1
1
1 0
100
1000
Output Current:IOUT（mA）
Output Current:IOUT（mA）
XC6372A301PR
XC6372A501PR
L＝100μH（CＲ54），C
L
＝47μF（Tantalum）
L＝100μH（CＲ54），C
L
＝47μF（Tantalum）
3.10
3.05
3.00
2.95
2.90
5.2
5.1
5.0
4.9
4.8
1.5V
1.8V
1.5V
1.2V
1.2V
2.0V
3.0V
V
IN=0.9V
V
IN=0.9V
2.7V
4.0V
0.1
1
10
100
1000
1000
0.1
1
10
100
Output Current:IOUT (mA)
Output Current:IOUT (mA)
XC6373A300PR
L=100μH(CＲ54),C
L =47μF(ﾀﾝﾀﾙ)
L＝
100μH(CR54), CL＝47μF（Tantalum）
3.10
3.05
3.00
2.95
2.90
1.5V
1.2V
1.8V
V
IN=0.9V
2.7V
0.1
1
10
100
1000
Output Current: IOUT(mA)
10/19
XC6371/XC6372/XC6373
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(2) Efficiency vs. Output Current
XC6371A501PR
XC6371A301PR
L＝100μH(CR54),CL＝47μF(Tantalum)
L＝100μH(CR54),CL＝47μF(Tantalum)
100
80
60
40
20
0
100
80
60
40
20
0
4.0V
2.7V
3.0V
V
IN=0.9V
V
IN=0.9V
2.0V
1.5V
1.8 V
1.5V
1.2V
1.2V
1000
0.1
1
10
100
1000
0.1
1
10
100
Output Current:IOUT（mA）
Output Current:IOUT（mA）
XC6373A300PR
L
＝
100μH(CR54), C
L
＝
47μF（Tantalum）
100
80
60
40
20
0
2.7V
1.8V
V
IN=0.9V
1.5V
1.2V
10
1000
0.1
1
100
Output Current: IOUT(mA)
11/19
XC6371/XC6372/XC6373 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(3) Ripple Voltage vs. Output Current
XC6371A301PR
L＝100μH(CR54),CL＝47μF(Tantalum)
100
80
60
40
20
0
1.8V
1.5V
1.2V
2.7V
V
IN=0.9V
0.1
1
10
100
1000
Output Current:IOUT (mA)
XC6373A300PR
L
＝
100μH(CR54), CL＝47μF（Tantalum）
100
80
60
40
20
0
1.8V
1.5V
1.2V
2.7V
V
IN=0.9V
10
1000
0.1
1
100
Output Current: IOUT(mA)
12/19
XC6371/XC6372/XC6373
Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(4) No Load Input Current vs. Input Voltage
XC6371A301PR
L＝100μH（CＲ54），CL＝47μF（Tantalum）
500
400
300
200
100
0
0
1
2
3
Input Voltage:VIN (V)
XC6372A501PR
L＝100μH（CＲ54），CL＝47μF（Tantalum）
200
150
100
50
0
0
1
2
3
4
5
Input Voltage:VIN (V)
13/19
XC6371/XC6372/XC6373 Series
■TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
(5) Operation Start Voltage / Hold Voltage vs. Output Current
(6) Load Transient Response
14/19
XC6371/XC6372/XC6373
Series
■PACKAGING INFORMATION
●SOT-89
●SOT-89-5
●USP-6B
15/19
XC6371/XC6372/XC6373 Series
■PACKAGING INFORMATION (Continued)
●USP-6B Recommended Pattern Layout
●USP-6B Recommended Metal Mask Design
■MARKING RULE
[XC6371/72]
●SOT-89, SOT-89-5
① Represents product series
MARK
PRODUCT SERIES
XC6371A
MARK
PRODUCT SERIES
XC6372A
A
A
S
1
1
3
XC6371C
XC6372C
XC6371E
XC6372E
② Represents integer of output voltage and oscillation frequency
OSCILLATION FREQUENCY
OUTPUT VOLTAGE (V)
50kHz
100kHz
180kHz
1
2
3
1.x
2.x
3.x
4.x
5.x
6.x
7.x
B
C
F
E
F
H
K
1
2
3
4
5
6
7
1
2
3
4
5
6
7
SOT-89
(TOP VIEW)
③ Represents decimal number of output voltage and oscillation frequency
OSCILLATION FREQUENCY
OUTPUT VOLTAGE (V)
50kHz
100kHz
180kHz
x.0
x.1
x.2
x.3
x.4
x.5
x.6
x.7
x.8
x.9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
SOT-89-5
(TOP VIEW)
H
K
L
M
④ Represents production lot number
0 to 9, A to Z repeated (G, I, J, O, Q, W excepted).
16/19
XC6371/XC6372/XC6373
Series
■MARKING RULE (Continued)
[XC6371/72] (Continued)
●USP-6B
① Represents product series
MARK
PRODUCT SERIES
XC6371xxxxDx
XC6372xxxxDx
5
2
② Represents product classification
MARK
PRODUCT SERIES
XC6371A
A
C
E
USP-6B
XC6371C
(TOP VIEW)
XC6371E
③④ Represents output voltage (ex.)
MARK
OUTPUT VOLTAGE (V)
③
3
④
3
3.3
5.0
5
0
⑤ Represents oscillation frequency
MARK
OSCILLATION FREQUENCY (kHz)
0
1
2
50
100
180
⑥ Represents production lot number
0 to 9, A to Z repeated (G, I, J, O, Q, W excepted)
Note: No character inversion used.
17/19
XC6371/XC6372/XC6373 Series
■MARKING RULE (Continued)
〔XC6373〕
●SOT-89,SOT-89-5
① Represents product series
MARK
FUNCTION
PRODUCT SERIES
XC6372AxxxPx
XC6372CxxxPx
XC6372ExxxPx
A
A
S
-
Built-in Transistor
Built-in Transistor
CE
Separated VDD and VOUT Built-in Transistor
② Represents integer of output voltage and oscillation frequency
OSCILLATION FREQUENCY (PRODUCT SERIES)
OUTPUT VOLTAGE (V)
30kHz (XC6373xxx0Px)
1
2
3
1.x
2.x
3.x
4.x
5.x
6.x
7.x
B
C
F
E
F
H
K
SOT-89
(TOP VIEW)
③ Represents decimal number of output voltage and oscillation frequency
OSCILLATION FREQUENCY (PRODUCT SERIES)
OUTPUT VOLTAGE (V)
30kHz (XC6373xxx0Px)
x.0
x.1
x.2
x.3
x.4
x.5
x.6
x.7
x.8
x.9
0
1
2
3
4
5
6
7
8
9
SOT-89-5
(TOP VIEW)
④ Represents production lot number
0 to 9, A to Z repeated (G, I, J, O, Q, W excepted).
18/19
XC6371/XC6372/XC6373
Series
1. The products and product specifications contained herein are subject to change without
notice to improve performance characteristics. Consult us, or our representatives
before use, to confirm that the information in this catalog is up to date.
2. We assume no responsibility for any infringement of patents, patent rights, or other
rights arising from the use of any information and circuitry in this catalog.
3. Please ensure suitable shipping controls (including fail-safe designs and aging
protection) are in force for equipment employing products listed in this catalog.
4. The products in this catalog are not developed, designed, or approved for use with such
equipment whose failure of malfunction can be reasonably expected to directly
endanger the life of, or cause significant injury to, the user.
(e.g. Atomic energy; aerospace; transport; combustion and associated safety
equipment thereof.)
5. Please use the products listed in this catalog within the specified ranges.
Should you wish to use the products under conditions exceeding the specifications,
please consult us or our representatives.
6. We assume no responsibility for damage or loss due to abnormal use.
7. All rights reserved. No part of this catalog may be copied or reproduced without the
prior permission of Torex Semiconductor Ltd.
19/19
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