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参数资料
| 型号： | IR3506MTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 11/21页 |
| 文件大小： | 0K |
| 描述： | IC CTRL XPHASE3 DDR 16-MLPQ |
| 标准包装： | 3,000 |
| 系列： | XPhase3™ |
| 应用： | 处理器 |
| 电流 - 电源： | 10mA |
| 电源电压： | 4.75 V ~ 7.5 V |
| 工作温度： | 0°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-MLPQ |
| 供应商设备封装： | 16-MLPQ（3x3） |
| 包装： | 带卷 (TR) |
IR3506
IR3506 THEORY OF OPERATION
Block Diagram
The Block diagram of the IR3506 is shown in Figure 5, and specific features are discussed in the following sections.
CAL
CLKIN
1
15
PHASE
PHSOUT
PHSIN
PHSIN
DELAY
VCCL
BOOST
PWM COMPARATOR
GATE
EAIN
EAIN
-
PWM
PWM
DRIVERS
GATEH
+
VCCL
NON-
OVERLAP
SW
RMPOUT
VCCL
PWM RESET
CIRCUIT
PHSIN
CALIBRATION
PWM RAMP
GENERATOR
VCCL
VCCL
GATEL
DACIN +
-
SHARE_ADJ
DACIN-SHARE_ADJ
DIODE EMULATION
GATEL
Disable
GATEs
Disable
0.15V
PGND
DE_PRESET
DEBUG OFF
(LOW=OPEN)
VCCL
0.8V
PRESET COMPARATOR
-
+
DIODE
EMULATION
PRESET ENABLE
LATCH
DEBUG
COMPARATOR
IOUT
SHARE
NEGATIVE CURRENT
ADJUST
AMPLIFIER
COMPARATOR
-
75% REGULATION COMPARATOR
75PCT_REG
3K
+
CURRENT SENSE
AMPLIFIER
DACIN
LGND
CAL
DACIN
IROSC
IROSC
DACIN
+
CSAOUT
+
X
0.75
-
X32.5
+
CALIBRATION
CSIN-
CSIN+
1V
PHSIN
PSI
PSI
COMPARATOR
-
500K
PSI
+
610mV
510mV
Figure 5 Block diagram
Tri-State Gate Drivers
The gate drivers can deliver up to 2A peak current (4A sink current for bottom driver). An adaptive non-overlap
circuit monitors the voltage on the GATEH and GATEL pins to prevent MOSFET shoot-through current while
minimizing body diode conduction. The non-overlap latch is added to eliminate the error triggering caused by the
switching noise. An enable signal is provided by the control IC to the phase IC without the addition of a dedicated
signal line. The error amplifier output of the control IC drives low in response to any fault condition such as VCCL
under voltage or output overload.
Page 11 of 21
V3.02
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3507 | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
| IR3507MPBF | 制造商:International Rectifier 功能描述: |
| IR3507MTRPBF | 功能描述:开关变换器、稳压器与控制器 XPHASE3 DDR VTT 7V 2A 3 Wire 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 |
| IR3507PBF | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
| IR3507Z | 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE3TM PHASE IC |
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