参数资料
型号: ISL6333CCRZ-T
厂商: Intersil
文件页数: 4/40页
文件大小: 0K
描述: IC CTRLR PWM 3PHASE BUCK 48-QFN
标准包装: 4,000
应用: 控制器,Intel VR11
输入电压: 5 V ~ 12 V
输出数: 1
输出电压: 0.5 V ~ 1.6 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘
供应商设备封装: 48-QFN(7x7)
包装: 带卷 (TR)
ISL6333, ISL6333A, ISL6333B, ISL6333C
Pinouts (Continued)
ISL6333C (48 LD QFN)
TOP VIEW
48
47
46
45
44
43
42
41
40
39
38
37
RSET
OFS
FS
SS
VCC
1
2
3
4
5
36 VR_RDY
35 EN
34 PUVCC
33 PHASE2
32 UGATE2
REF
APA
COMP
DVC
6
7
8
9
GND (PIN 49)
31 BOOT2
30 LGATE2
29 PVCC3
28 LGATE3
FB 10
CPURST_N 11
VDIFF 12
27 BOOT3
26 UGATE3
25 PHASE3
13
14
15
16
17
18
19
20
21
22
23
24
Controller Descriptions and Comments
DIODE
EMULATION
GATE VOLTAGE OPTIMIZATION
TECHNOLOGY
CONTROLLER
ISL6333
ISL6333A
ISL6333B
ISL6333C
MODE (DEM)
YES
NO
YES
NO
(GVOT)
YES
NO
YES
NO
DROOP PIN
YES
YES
NO
NO
ENABLE/DISABLE DROOP
Enable/Disable
Enable/Disable
Always Enabled
Always Enabled
CPURST_N PIN
NO
NO
YES
YES
CONTROLLER
ISL6333
ISL6333A
ISL6333B
ISL6333C
COMMENTS
When PSI# is set high, the controller operates normally in continuous conduction mode (CCM) with all active channels firing.
When the PSI# pin is set low, the controller transitions to single phase operation and changes to diode emulation mode (DEM).
The controller also utilizes it’s new Gate Voltage Optimization Technology (GVOT) to reduce Channel 1’s lower MOSFET gate
drive voltage. This controller yields the highest low load efficiency.
When PSI# is set high, the controller operates normally in continuous conduction mode (CCM) with all active channels firing.
When the PSI# pin is set low, the controller transitions to single phase operation only.
Same feature set as the ISL6333 controller with two additional changes. The CPURST_N pin is added to eliminate extensive
external circuitry required for proper PSI# operation of Intel’s Eaglelake Chipset Platform. The droop pin has been removed
and the droop current now flows out of the FB pin. The droop feature is always active. This controller yields the highest low
load efficiency.
Same feature set as the ISL6333A controller with two additional changes. The CPURST_N pin is added to eliminate extensive
external circuitry required for proper PSI# operation of Intel’s Eaglelake Chipset Platform. The droop pin has been removed
and the droop current now flows out of the FB pin. The droop feature is always active.
4
FN6520.3
October 8, 2010
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