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参数资料
| 型号： | L6911A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 2/7页 |
| 文件大小： | 50K |
| 代理商： | L6911A |
(DAC) allows to adjust the output voltage from
1.8V to 2.05V with 0.05V binary steps and from
2.1V to 3.5V with 0.1V binary steps. The high pre-
cision internal reference, digitally trimmed, as-
sures the selected output voltage to within +/-1%.
Thanks to the window comparator system, the de-
vice provides excellent load transient perform-
ance. The high peak current gate drive affords to
have fast switching to the external power mos,
performing an high efficiency. The L6911A as-
sures a fast protection against load overvoltage
and load overcurrent. An external SCR is trig-
gered to crowbar the input supply in case of over-
voltage. In case of output short circuit the soft
start capacitor is discharged and the system
works in hiccup mode.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
VCC to PGND
15
V
VBOOT-VPHASE
Boot Voltage
15
V
Input, Output or I/O Voltage
-0.3 to VCC+0.3
V
THERMAL DATA
Symbol
Parameter
Value
Unit
Rthj-amb
Thermal Resistance Junction to Ambient
110
°C/W
Tmax
Maximum Junction Temperature
150
°C
Tstg
Storage Temperature Range
-65 to 150
°C
RECOMMENDED OPERATING CONDITION
Symbol
Parameter
Value
Unit
VCC
VCC to PGND
5V
±10%/12V ±10%
V
Tamb
Ambient Temperature Range
0 to 70
°C
TJ
Junction Temperature Range
0 to 125
°C
DESCRIPTION (continued)
PGND
PHASE
GND
VFB
LGATE
BOOT
UGATE
VCC
OCSET
VCC 12V
Vin 5V
Vo
1.8V to 3.5V
PGOOD
COMP
VSEN
SS
OVP
RT
VD0
VD1
VD2
VD3
VD4
MONITOR and
PROTECTION
OSC
D/A
E/A
PWM
+
-
+
D98IN957A
BLOCK DIAGRAM
L6911A
2/7
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6911B | 制造商:STMicroelectronics 功能描述: |
| L6911C | 功能描述:DC/DC 开关控制器 5B PROGRAMMABLE STEP DOWN CONTROLLER RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6911CTR | 功能描述:DC/DC 开关控制器 5B PROGRAMMABLE STEP DOWN CONTROLLER RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6911D | 功能描述:DC/DC 开关控制器 5-Bit Prog Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6911DTR | 功能描述:DC/DC 开关控制器 5-Bit Prog Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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