參數(shù)資料
型號(hào)： L6611N
廠商： STMICROELECTRONICS
元件分類： 電源管理
英文描述： 5-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP20
封裝： DIP-20
文件頁(yè)數(shù)： 18/28頁(yè)
文件大小： 662K
代理商： L6611N
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
25/28
L6611
7
APPLICATION IDEAS
In fig. 23 a circuit is suggested to obtain the regulated +3.3V output with a linear configuration instead of the
Magamp circuitry.
In this case the output of the E/A modulates the gate-source voltage of a power MOS in series with the power
stage.
In fig. 24 a simple and cheap latch circuit is showed to manage an OV fault on the Auxiliary output in the same
way of an OC (UV) fault, without having recourse to a (expensive) power crowbar. By tuning the value of RSET
it is possible to set the voltage value that triggers the latch circuit; CDEL defines the turn-on delay. A diode con-
nected between the collector of Q1 and Cout pulls down the output of the auxiliary E/A: this has the same effect
of the OCP_bounce internal signal that guarantees the reduction of duty cycle.
Figure 23. Controlling a Linear Regulator with the Error Amplifier B
Figure 24. Auxiliary OVP without Crowbar
+3.3V
Bout
Binv
+1.25V
R
L
R
H
_
+
L6611
+5V
R
B
L
C
1
C
2
+12V
Z
C
+3.3V
Bout
Binv
+1.25V
R
L
R
H
_
+
L6611
+5V
R
B
L
C
1
C
2
+12V
Z
C
L6611
V
AUX
DMON
100
5K6
Q2
BC558
Q1
BC548
R
SET
C
DEL
Cout
D1
BAT42
L6611
V
AUX
DMON
100
5K6
Q2
BC558
Q1
BC548
R
SET
C
DEL
Cout
D1
BAT42
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6615 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH/LOW SIDE LOAD SHARE CONTROLLER
L6615D 功能描述:DC/DC 開(kāi)關(guān)控制器 H/L Load Share Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6615D013TR 功能描述:DC/DC 開(kāi)關(guān)控制器 H/L Load Share Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6615DTR 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HIGH/LOW SIDE LOAD SHARE CONTROLLER
L6615N 功能描述:DC/DC 開(kāi)關(guān)控制器 H/L Load Share Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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