参数资料
型号: IR3522MTRPBF
厂商: International Rectifier
文件页数: 8/32页
文件大小: 0K
描述: IC CTRL XPHASE3 DDR/VVT 32-MLPQ
标准包装: 3,000
系列: XPhase3™
应用: 处理器
电流 - 电源: 7mA
电源电压: 4.75 V ~ 7.5 V
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-MLPQ(5x5)
包装: 带卷 (TR)
IR3522
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
VCCL
Supply Current
UVLO Start Threshold
UVLO Stop Threshold
Hysteresis
3.5
4.20
3.8
0.36
7
4.43
3.99
0.42
15
4.7
4.3
0.46
mA
V
V
V
Note 1: Guaranteed by design, but not tested in production
Note 2: VDACx Outputs are trimmed to compensate for Error & Amp Remote Sense Amp input offsets
Bold Letters: Critical specs
SYSTEM SET POINT TEST
Converter output voltage is determined by the system set point voltage which is the voltage that appears at the
FBx pins when the converter is in regulation. The set point voltage includes error terms for the VDAC digital-to-
analog converters, the Error Amp input offsets, and the Remote Sense input offsets. The voltage appearing at
the VDACx pins is not the system set point voltage. System set point voltage test circuits for Outputs 1 and 2 are
shown in Figures 2A and 2B.
IR3522
VREF1
ERROR
AMPLIFIER
EAOUT1
BUFFER
AMPLIFIER
FB1
"FAST"
VDAC
ISOURCE
VREF1
ISINK
IROSC
IOCSET1
OC SET1
ROCSET1
RVREF1
CVREF1
ROSC BUFFER
IROSC
CURRENT
SOURCE
AMPLIFIER
0.6V
LGND
GENERATOR
ROSC
VOUT1
RROSC
SYSTEM
REMOTE SENSE
AMPLIFIER
VOSEN1+
VOSEN1-
Figure 2A - Output 1 System Set Point Test Circuit
EAOUT
VOSNS-
SET POINT
VOLTAGE
SYSTEM
VOUT1
Page 8
IR3522
ERROR
AMPLIFIER 2
EAOUT2
VREF_TRACK
FB2
VOUT2
REMOTE SENSE
AMPLIFIER 2
VOSEN2+
VOSEN2-
Figure 2B - Output 2 System Set Point Test Circuit
EAOUT
VOSNS-
SET POINT
VOLTAGE
V3.01
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