参数资料
型号: ISL6445IAZ
厂商: Intersil
文件页数: 3/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QSOP
标准包装: 1,000
PWM 型: 电流模式
输出数: 2
频率 - 最大: 1.55MHz
占空比: 73%
电源电压: 4.5 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
包装: 管件
Block Diagram
BOOT1
PGOOD
SD1
VIN
SGND
SD2
VCC
BOOT2
UGATE1
PHASE1
ADAPTIVE DEAD-TIME
ADAPTIVE DEAD-TIME
UGATE2
PHASE2
VCC_5V
DIODE EMULATION
DIODE EMULATION
VCC
LGATE1
PGND
FB3
V/I SAMPLE TIMING
UV
PGOOD
POR
ENABLE
BIAS SUPPLIES
REFERENCE
FAULT LATCH
SOFT-START
UV
PGOOD
V/I SAMPLE TIMING
PGND
LGATE2
800k Ω
18.5pF
18.5pF
800k Ω
FB1
+ 0.8V
REF
180k Ω
-
+
16k Ω
ERROR AMP 1
-
+
PWM1
OC1
OC2
PWM2
-
+
16k Ω
ERROR AMP 2
-
+
180k Ω
VSEN2
SOFT2
SS1
+
0.8V
REF
DUTY CYCLE RAMP GENERATOR
ISEN1
CURRENT
-
PWM CHANNEL PHASE CONTROL
-
CURRENT
ISEN2
SAMPLE
+
CURRENT
SAMPLE
CURRENT
SAMPLE
+
SAMPLE
OCSET1
OCSET2
+
0.8V REFERENCE
0.8V REFERENCE
+
-
OC1
OC2
-
+
SAME STATE FOR
2 CLOCK CYCLES
REQUIRED TO LATCH
OVERCURRENT FAULT
VIN
VCC
+
SAME STATE FOR
2 CLOCK CYCLES
REQUIRED TO LATCH
OVERCURRENT FAULT
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相关代理商/技术参数
参数描述
ISL6445IAZS2695 制造商:Intersil Corporation 功能描述:
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