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参数资料
| 型号： | L6902N |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 287 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封装： | MINI, DIP-8 |
| 文件页数： | 3/7页 |
| 文件大小： | 50K |
| 代理商： | L6902N |
3/7
L6902
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V8
Input Voltage
40
V
V1
Output DC voltageOutput peak voltage at t = 0.1
s-1 to 40
-5 to 40
V
I1
Maximum output current
Internally limited
V4,V5
Analog pins
4
V
V2,V3
Analog pins
-0.3V to VCC
V
Ptot
Power dissipation at Tamb ≤ 60 °C Minidip SO8
1
0.75
W
Tj
Operating junction temperature range
-40 to 150
°C
Tstg
Storage temperature range
-55 to 150
°C
ELECTRICAL CHARACTERISTCS
(Tj =25°C, VCC = 12V, unless otherwise specified.) () Specification Referred to Tj from 0 to 125°C.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VCC
Operating input voltage range
VO = 1.235V; IO =1A
836
V
Vd
Dropout voltage
VCC = 8V; IO = 1A
0.25
0.5
V
IO
Operating charging current
with Rsense = 0.1
0.95
0.92
11
1.05
1.08
A
Il
Maximum limiting current
VCC = 8V to 36V
2.3
A
Vbatt(max) Maximum Vbatt with switch ON
VCC-2
V
fs
Switching frequency
212
225
250
287
275
kHz
d
Duty cycle
0
100
%
DYNAMIC CHARACTERISTICS
V5
Voltage feedback
8V , VCC , 36V,
20mA < IO <1A
1.21
1.198
1.235
1.259
1.272
V
η
Efficiency
VO =5V, VCC = 12V
90
%
DC CHARACTERISTICS
Iqop
Total operating quiescent
current
35
mA
Iq
Quiescent current
Duty cycle = 0; VFB = 1.5V
2.7
mA
Iqst-by
Total stand-by quiescent current
Vinh > 2.2V
VCC = 36V; Vinh > 2.2V
50
80
100
150
A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6910 | 功能描述:DC/DC 开关控制器 5.0 to 12V 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 |
| L6910_05 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ADJUSTABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION |
| L6910A | 功能描述:DC/DC 开关控制器 5.0 to 12V 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 |
| L6910ATR | 功能描述:DC/DC 开关控制器 5.0 to 12V 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 |
| L6910G | 功能描述:电压模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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