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A6051M の電気的特性と機能

A6051MのメーカーはAllegro MicroSystemsです、この部品の機能は「STR-A6051M」です。


製品の詳細 ( Datasheet PDF )

部品番号 A6051M
部品説明 STR-A6051M
メーカ Allegro MicroSystems
ロゴ Allegro MicroSystems ロゴ 




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A6051M Datasheet, A6051M PDF,ピン配置, 機能
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STR-A60xxM
Current Mode Control PWM Regulator IC
For Switching Power Supplies
Features and Benefits
Small DIP8 package with 8 to 24 W power output 230 VAC
Current Mode PWM control with 67 kHz switching
frequency
Built-in Random Switching function, reducing EMI noise,
and simplifying EMI filters, and therefore reducing cost
Built-in Slope Compensation function, avoiding
subharmonic oscillation
Built-in Auto Standby function (Input Power, PIN < 25 mW
at no load)
Normal operation: PWM mode
Light load operation: Standby mode (burst oscillation)
Built-in Audible Noise Suppression function during
Standby mode
Built-in Startup Circuit, reducing power consumption in
standby operation, and eliminating external components.
Bias-Assist function, improving startup operation,
suppressing VCC voltage drop in operation, and allowing
use of smaller VCC capacitor
Continued on the next page…
Package: 8-pin DIP
Not to scale
Description
The STR-A60xxM series are power ICs for switching power
supplies, incorporating a power MOSFET and a current mode
PWM controller IC. Including a startup circuit and a standby
function in the controller, the product achieves low power
consumption, low standby power, and high cost-effectiveness
power supply systems with few external components.
The STR-A60xxM internal MOSFET has a VDSS of
650 V(min) or 800 V(min), and an RDS(on) of 1.9 to 19.2 Ω
with a frequency of 67 kHz. Power output is rated at
8 to 24 W at 230 VAC input and 5 to 20 W at wide input range
(85 to 265 VAC).
The device is provided in an industry-standard DIP-8 package,
with pin 6 removed for increased isolation.
Applications:
For switching power supplies used in:
• Battery chargers for cell phones, digital cameras,
video cameras, shavers, emergency lights
• Stand-by power for LCD TVs, desktop PCs, LB Printers,
audio equipment
• Small switched-mode power supplies for inkjet printers,
DVD/CD players, set-top boxes
• Auxiliary power supplies for A/C, refrigerators, washers,
dish washers, and other white goods
Typical Application
VIN(AC)
87
D/ST D/ST
5
VCC
STR-A6000
S/OCP BR GND FB/OLP
1234
OUT
GND
STRA60XXM-DS
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A6051M pdf, ピン配列
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STR-A60xxM
Current Mode Control PWM Regulator IC
For Switching Power Supplies
Absolute Maximum Ratings1 Valid at TA = 25°C, unless otherwise specified
Characteristic
Symbol
Notes
Terminals
STR-A6051M 8 – 1
Drain Current2
IDpeak
Single pulse
STR-A6052M
STR-A6053M
8–1
8–1
STR-A6079M 8 – 1
STR-A6051M 8 – 1
EAS
Single pulse, VDD = 99 V,
L = 20 mH
STR-A6052M
STR-A6053M
8–1
8–1
Single Pulse Avalanche Energy3
STR-A6079M
STR-A6051M
8–1
8–1
ILpeak
Single pulse, VDD = 99 V,
L = 20 mH
STR-A6052M
STR-A6053M
8–1
8–1
STR-A6079M 8 – 1
S/OCP Terminal Voltage
VOCP
Controller IC (MIC) Supply Input Voltage
VCC
FB/OLP Terminal Voltage
VFB
FB/OLP Terminal Sink Current
IFB
BR Terminal Voltage
VBR
BR Terminal Sink Current
IBR
MOSFET Power Dissipation4
PD1 Mounted on a 15 mm × 15 mm PCB
Controller IC (MIC) Power Dissipation
PD2
Operating Ambient Temperature
TOP
Maximum recommended internal leadframe
temperature, TF(max) = 115°C
Storage Temperature
Tstg
Channel Temperature
Tch
1Current characteristics are defined based on IC as sink ( +), or source ( –).
2Refer to MOSFET Safe Operating Area Curve.
3Refer to MOSFET Avalanche Energy Derating Coefficient Curve.
4Refer to MOSFET Temperature versus Power Dissipation Curve.
1–3
5–3
4–3
4–3
2–3
2–3
8–1
5–3
Rating
2.5
3.0
4.0
1.2
47
62
86
7
2.0
2.3
2.7
1.2
–2 to 6
32
–0.3 to 14
1.0
–0.3 to 7
1.0
1.35
1.2
–20 to 125
–40 to 125
150
Unit
A
A
A
A
mJ
mJ
mJ
mJ
A
A
A
A
V
V
V
mA
V
mA
W
W
°C
°C
°C
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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A6051M 電子部品, 半導体
www.DataSheet.co.kr
STR-A60xxM
Current Mode Control PWM Regulator IC
For Switching Power Supplies
MOSFET Electrical Characteristics Valid at TA = 25°C, unless otherwise specified
Characteristic
Symbol
Device Terminal
Min.
STR-A6051M 8 – 1
650
Drain-to-Source Breakdown Voltage
VDSS
STR-A6052M
STR-A6053M
8–1
8–1
650
650
STR-A6079M 8 – 1
800
Drain Leakage Current
IDSS – 8 – 1
STR-A6051M 8 – 1
On-Resistance
RDS(on)
STR-A6052M
STR-A6053M
8–1
8–1
STR-A6079M 8 – 1
STR-A6051M 8 – 1
Switching Time
STR-A6052M 8 – 1
tf STR-A6053M 8 – 1
STR-A6079M 8 – 1
Thermal Resistance*
RθchC
RθchC
*Case temperature, TC , is defined at the center of surface on the branded side of the package.
Typ.
Max.
300
3.95
2.8
1.9
19.2
250
250
400
250
22
Unit
V
V
V
V
μA
Ω
Ω
Ω
Ω
ns
ns
ns
ns
°C/W
VIN(AC)
87
D/ST D/ST
5
VCC
STR-A6000
S/OCP
1
BR GND FB/OLP
234
OUT
GND
Typical application circuit example. Brown-in/Brown-out function enabled by
connecting the BR terminal to a resistive divider
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
6
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部品番号部品説明メーカ
A6051M

STR-A6051M

Allegro MicroSystems
Allegro MicroSystems


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