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参数资料
| 型号： | L4962E/A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 3.3 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PZFM7 |
| 封装： | HEPTAWATT-7 |
| 文件页数： | 9/16页 |
| 文件大小： | 461K |
| 代理商： | L4962E/A |
PIN CONNECTION (Top view)
2/16
Symbol
Parameter
Heptawatt
Powerdip
Rth j-case
Thermal resistance junction-case
max
4
°C/W
-
Rth j-pins
Thermal resistance junction-pins
max
-
14
°C/W
Rth j-amb
Thermal resistance junction-ambient
max
50
°C/W
80
°C/W*
* Obtained with the GND pins soldered to printed circuit with minimized copper area.
THERMAL DATA
HEPTAWATT
POWERDIP
NAME
FUNCTION
1
7
SUPPLY VOLTAGE
Unregulated voltage input. An internal regulator powers
the internal logic.
2
10
FEEDBACK INPUT
The feedback terminal of the regulation loop. The output
is connected directly to this terminal for 5.1V operation;
it is connected via a divider for higher voltages.
3
11
FREQUENCY
COMPENSATION
A series RC network connected between this terminal
and ground determines the regulation loop gain
characteristics.
PIN FUNCTIONS
Symbol
Parameter
Value
Unit
V7
Input voltage
50
V
V7 - V2
Input to output voltage difference
50
V
V2
Negative output DC voltage
-1
V
Output peak voltage at t = 0.1
s; f = 100KHz
-5
V
V11, V15
Voltage at pin 11, 15
5.5
V
V10
Voltage at pin 10
7
V
I11
Pin 11 sink current
1
mA
I14
Pin 14 source current
20
mA
Ptot
Power dissipation at Tpins
≤ 90°C (Powerdip)
Tcase
≤ 90°C (Heptawatt)
4.3
15
W
Tj, Tstg
Junction and storage temperature
-40 to 150
°C
ABSOLUTE MAXIMUM RATINGS
L4962
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L4962EH | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.5A POWER SWITCHING REGULATOR |
| L4962EH/A | 功能描述:直流/直流开关调节器 5.0 to 40V Step-Down RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L4963 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:1.5A SWITCHING REGULATOR |
| L4963D | 功能描述:直流/直流开关调节器 5.1 to 36V 1.5 Amp RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| L4963D013TR | 功能描述:直流/直流开关调节器 5.1 to 36V 1.5 Amp RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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