参数资料
型号: ISL6540AIRZ-T
厂商: Intersil
文件页数: 17/22页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 28-QFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 6,000
PWM 型: 电压模式
输出数: 1
频率 - 最大: 2MHz
占空比: 100%
电源电压: 2.97 V ~ 22 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: 28-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL6540A
+3.3V TO +20V
R CC
L IN
R VIN
(C F1 )
(C F2 )
D BOOT
(C HFIN )
C BIN
VCC
PVCC
LOCATE NEAR SWITCHING TRANSISTORS
(MINIMIZE CONNECTION PATH)
R VFF
(C F3 )
C VFF
VIN
VFF
INTERNAL BIAS
LINEAR REGULATOR
BOOT
HSOC
R HSOC
C BOOT
C HSOC
VCC
EN
UGATE
Q1
L OUT
V OUT
REFIN
PHASE
REFOUT
LGATE
Q2
(C HFOUT )
C BOUT
C PG_DLY
PG
PG_DLY
ISL6540A
LSOC
R LSOC
LOCATE NEAR LOAD
(MINIMIZE CONNECTION PATH)
R FS
FS
COMP
C LSOC
R LS-
R LS+
MARCTRL
C 1
C 2
R 2
C 3
R 3
R OFS+
OFS+
FB
R 1
R MARG
R OFS-
OFS-
SS
VMON
VSEN+
VSEN-
C SEN
R FB
R OS
V SENSE+
V SENSE-
C SS
LINDRV
GND
PGND
KEY
HEAVY TRACE ON CIRCUIT PLANE LAYER
LOCATE CLOSE TO IC
(MINIMIZE CONNECTION PATH)
ISLAND ON/POWER PLANE LAYER
ISLAND ON CIRCUIT PLANE LAYER
VIA CONNECTION TO GROUND PLANE
FIGURE 8. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
17
FN6288.5
October 7, 2008
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