参数资料
型号: ISL62882BHRTZ-T
厂商: Intersil
文件页数: 4/42页
文件大小: 0K
描述: IC REG PWM 2PHASE BUCK 48TQFN
标准包装: 4,000
应用: 控制器,Intel IMVP-6.5?
输入电压: 5 V ~ 25 V
输出数: 1
输出电压: 0.013 V ~ 1.5 V
工作温度: -10°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(6x6)
包装: 带卷 (TR)
ISL62882, ISL62882B
Functional Pin Descriptions (Continued)
ISL62882
25
ISL62882B
30
SYMBOL
VCCP
DESCRIPTION
Input voltage bias for the internal gate drivers. Connect +5V to the VCCP pin. Decouple with at
least 1μF of an MLCC capacitor to VSSP1 and VSSP2 pins respectively.
26
32
LGATE2
Output of the Phase-2 low-side MOSFET gate driver. Connect the LGATE2 pin to the gate of the
Phase-2 low-side MOSFET.
27
33
VSSP2
Current return path for the Phase-2 converter low-side MOSFET gate driver. Connect the VSSP2
pin to the source of the Phase-2 low-side MOSFET through a low impedance path, preferably in
parallel with the trace connecting the LGATE2 pin to the gate of the Phase-2 low-side MOSFET.
28
34
PHASE2
Current return path for the Phase-2 high-side MOSFET gate driver. Connect the PHASE2 pin to the
node consisting of the high-side MOSFET source, the low-side MOSFET drain, and the output
inductor of Phase-2.
29
35
UGATE2
Output of the Phase-2 high-side MOSFET gate driver. Connect the UGATE2 pin to the gate of the
Phase-2 high-side MOSFET.
30
36
BOOT2
Connect an MLCC capacitor across the BOOT2 and the PHASE2 pins. The boot capacitor is
charged through an internal boot diode connected from the VCCP pin to the BOOT2 pin, each
time the PHASE2 pin drops below VCCP minus the voltage dropped across the internal boot
diode.
31 thru 37
38
39
38 thru 44
45
46
VID0 thru VID6
VR_ON
DPRSLPVR
VID input with VID0 = LSB and VID6 = MSB.
Voltage regulator enable input. A high level logic signal on this pin enables the regulator.
Deeper sleep enable signal. A high level logic signal on this pin indicates that the microprocessor
is in deeper sleep mode.
40
47
CLK_EN#
Open drain output to enable system PLL clock. It goes low 13 switching cycles after Vcore is
within 10% of Vboot.
-
pad
48
pad
4
NC
BOTTOM
No connect.
The bottom pad of ISL62882B is electrically connected to the GND pin inside the IC.
FN6890.4
June 21, 2011
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