参数资料
| 型号： | A4403GEUTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3A 16QFN |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 0.8V |
| 输入电压： | 9 V ~ 46 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 450kHz ~ 2MHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 16-QFN（4x4） |
| 产品目录页面： | 1141 (CN2011-ZH PDF) |
| 其它名称： | 620-1273-6 |
A4403
Selection Guide
Valley Current Mode Control Buck Converter
Part Number
A4403GEU-T
A4403GEUTR-T
Packing
92 pieces per tube
1500 pieces per 7-in. reel
Package
16-contact 4 mm × 4 mm QFN with exposed thermal pad
Absolute Maximum Ratings ( reference to GND)
Characteristic
VIN Pin Supply Voltage
LX Pin Switching Node Voltage
ISEN Pin Current Sense Voltage
DIS Pin Disable Voltage
TON Pin On-Time Voltage
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Symbol
V IN
V LX
V ISEN
V DIS
V TON
T A
T J (max)
T stg
Range G
Notes
Rating
–0.3 to 50
–1 to 50
–1.0 to 0.5
–0.3 to 7
–0.3 to 50
–40 to 105
150
–55 to 150
Units
V
V
V
V
V
oC
oC
oC
Recommended Operating Conditions
Characteristic
Supply Voltage
Switching Node
Switching Frequency Range
Operating Ambient Temperature
Junction Temperature
Symbol
V IN
V LX
f SW
T A
T J
Conditions
Continuous conduction mode
Min.
9
–0.7
0.45
–40
–40
Typ.
–
–
–
–
–
Max.
46
46
2
105
125
Units
V
V
MHz
oC
oC
Thermal Characteristics may require deratin g at maximum conditions, see application information
Characteristic
Package Thermal Resistance, Junction to Ambient
Package Thermal Resistance, Junction to Pad
Symbol
R θ JA
R θ JP
Test Conditions*
On 4-layer PCB based on JEDEC standard
On 4-layer PCB based on JEDEC standard
Value
36
2
Units
oC/W
oC/W
*Additional thermal information available on the Allegro website.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
2
相关PDF资料 |
PDF描述 |
|---|---|
| A4447SLJTR-T | IC REG BUCK ADJ 2A 8SOIC |
| A4490EES-T | IC REG BUCK ADJ 1.5A TRPL 20QFN |
| A4491EESTR-T | IC REG BUCK ADJ 2.2A TRPL 20QFN |
| A4931MET-T | IC DC MOTOR PREDRIVER 3PH 28QFN |
| A4934GLPTR-T | IC BLDC DVR 3PHASE 16-ETSSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| A4405 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A4405 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply two internal 5 V linear regulators and a 3.3 V linear DMOS driver. |
| A4405KLPTR-T | 制造商:Allegro MicroSystems LLC 功能描述:AUTOMOTIVE TRIPLE-OUTPUT REGULATOR |
| A4406 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A4406 is an automotive power management IC that uses a high frequency constant on-time 5.45 V pre-regulator to supply an internal 5 V linear regulator and a 3.3 V linear DMOS driver. |
| A4406KLPTR-T | 功能描述:IC REG BUCK/LINEAR 16TSSOP 制造商:allegro microsystems, llc 系列:* 零件状态:在售 标准包装:4,000 |
| A4407 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:The A4407 is an automotive power management IC that uses a 2.2 MHz constant on-time (COT) buck pre-regulator to supply a 5 V linear regulator, a 5 V tracking/protected linear regulator, |
发布紧急采购，3分钟左右您将得到回复。