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参数资料
| 型号： | L6716 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, QCC48 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFP-48 |
| 文件页数： | 37/57页 |
| 文件大小： | 829K |
| 代理商： | L6716 |
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Output voltage monitor and protections
L6716
42/57
Doc ID 14521 Rev 3
Note:
In order to avoid the OCP intervention during the DVID, the device automatically increases
the OCP threshold to 150% of the selected OCP threshold during every VID transition
(adding an extra 15 s of delay).
Since the device reads the current information across inductor DCR, the process spread
and temperature variations of these sensing elements has to be considered. Also the
programmable threshold spread (IOCTH current spread as a consequence of VOCSET
spread, See “Electrical characteristics” Section) has to be considered for the ROCSET
design:
The OCSET pin is also used to select the number of phases when PSI mode is asserted.
To select the desired OCP threshold and number of phase during PSI mode, refer to the
following table.
R
OCSET
V
OCSET MIN
()
DCR MAX
()
Rg
--------------------------------
I
OUT OCP
()
N
-------------------------------
ΔIL
2
---------
+
------------------------------------------------------------------------------------------
=
Table 10.
# phases when PSI is asserted
# phase
normal mode
(N)
# phase
PSI mode
(N_PSI)
Phases
enabled
ROCSET
4
1
PHASE1
2
PHASE1
PHASE3
3
1
PHASE1
2
PHASE1
PHASE3
2
1
PHASE1
2N. A.
Do not use this condition (Not applicable)
R
OCSET
V
OCSET MIN
()
DCR MAX
)
()
Rg
-----------------------------------
I
OUT OCP
()
N
-------------------------------
ΔIL
2
---------
+
77
μA
+
------------------------------------------------------------------------------------------------------------------------
=
R
OCSET
V
OCSET MIN
()
DCR MAX
()
Rg
--------------------------------
I
OUT OCP
()
N
-------------------------------
ΔIL
2
---------
+
------------------------------------------------------------------------------------------
=
R
OCSET
V
OCSET MIN
()
DCR MAX
()
Rg
--------------------------------
I
OUT OCP
()
N
-------------------------------
ΔIL
2
---------
+
------------------------------------------------------------------------------------------
=
R
OCSET
V
OCSET MIN
()
DCR MAX
)
()
Rg
-----------------------------------
I
OUT OCP
()
N
-------------------------------
ΔIL
2
---------
+
77
μA
+
------------------------------------------------------------------------------------------------------------------------
=
R
OCSET
V
OCSET MIN
()
DCR MAX
()
Rg
--------------------------------
I
OUT OCP
()
N
-------------------------------
ΔIL
2
---------
+
------------------------------------------------------------------------------------------
=
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| L6717A | 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller Tray 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Trays 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver |
| L6717ATR | 制造商:STMicroelectronics 功能描述:CPU Power Supply Controller T/R 制造商:STMicroelectronics 功能描述:HANDHELD & COMPUTER PM - Tape and Reel 制造商:STMicroelectronics 功能描述:High EFF Hybrid CTRL I2C Embedded Driver |
| L6717TR | 功能描述:开关变换器、稳压器与控制器 High-Efficienc AM2r2 Hybrid Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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