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参数资料
| 型号： | IR3622AMPBF |
| 厂商： | International Rectifier |
| 文件页数： | 6/33页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM VM 32MLPQ |
| 标准包装： | 73 |
| PWM 型： | 电压模式 |
| 输出数： | 2 |
| 频率 - 最大： | 600kHz |
| 占空比： | 84% |
| 电源电压： | 4.5 V ~ 14.5 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 包装： | 管件 |
| 配用： | IRDC3622S-ND - BOARD EVALUATION W/IR3622MPBF IRDC3622D-ND - BOARD EVAL W/IR3622MPBF DUAL OUT |
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IR3622AMPbF
Pin#
1
2
3
4
5
6
7, 17
8,16
9
10, 14
11, 13
12
15
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin Name
Rt
V SEN2
Fb2
Comp2
SS2/SD2/Mode
OCSet2
VcH2, VcH1
HDrv2, HDrv1
Enable
PGnd2, PGnd1
LDrv2 , LDrv1
VcL
Seq
OCSet1
SS1/SD1
Comp1
Fb1
V SEN1
Sync
PGood2
V P1
V P2
V REF
Gnd
PGood1
Vcc
V out3
Track
Description
Connecting a resistor from this pin to ground sets the switching frequency
(see figure 16 on page 17 for selecting resistor value)
Sense pin for OVP2 and Power Good2, Channel 2
Inverting input to the error amplifier2
Compensation pin for the error amplifier2
Soft start for channel 2, can be used as SD pin. Float this pin for current
share single output application
Current limit set point for channel2
Supply voltage for the high side output drivers. These are connected to
voltage that must be typically 6V higher than their bus voltages. A 0.1uF
high frequency capacitor must be connected from these pins to PGND to
provide peak drive current capability
Output drivers for the high side power MOSFETs
Enable pin, recycling this pin will reset OV, SS and Prebias latch
These pins serve as the separate grounds for MOSFET drivers and should
be connected to the system’s ground plane
Output drivers for the synchronous power MOSFETs
Supply voltage for the low side output drivers
Enable pin for tracking and sequencing. If this pin is not used
connect it to V out3
Current limit set point for Channel 1
Soft start for Channel 1, can be used as SD pin
Compensation pin for the error amplifier1
Inverting input to the error amplifier1
Sense pin for OVP1 and Power Good1, Channel 1
External synchronization pin
Power Good pin output for channel 2, open collector. This pin needs to be
externally pulled high
Non inverting input of error amplifier1
Non inverting input of error amplifier2
Reference Voltage
IC’s Ground
Power Good pin output for Channel 1, open collector. This pin needs to be
externally pulled high
Supply voltage for the internal blocks of the IC. A 0.1uF high frequency
capacitor must be connected from this pin to Gnd.
Output of the internal regulator. A 0.1uF high frequency capacitor must be
connected from this pin to PGnd.
Sets the type of power up / down sequencing (ratiometric or
simultaneous). If this pin is not used connect it to V out3
www.irf.com
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3622AMTRPBF | 功能描述:开关变换器、稳压器与控制器 2 CH OR 2 PHASE SYNC PWM CNTRLR RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| IR3622MPBF | 功能描述:IC REG CTRLR BUCK PWM VM 32MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| IR3622MTRPBF | 功能描述:开关变换器、稳压器与控制器 HI FREQ 2-PHASE Single or Dual SYNCH RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| IR3623MPBF | 功能描述:IC REG CTRLR BUCK PWM VM 32MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| IR3623MPBF_1 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH FREQUENCY 2-PHASE, SINGLE OR DUAL OUTPUT SYNCHRONOUS STEP DOWN CONTROLLER WITH OUTPUT TRACKING AND SEQUENCING |
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