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参数资料
| 型号： | LM2651MTCX-2.5/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 2.6 A SWITCHING REGULATOR, 345 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | TSSOP-16 |
| 文件页数： | 6/11页 |
| 文件大小： | 631K |
| 代理商： | LM2651MTCX-2.5/NOPB |
LM2651-ADJ System Parameters
(V
OUT = 2.5V unless otherwise specified)
Symbol
Parameter
Conditions
Typical
Limit
Units
V
FB
Feedback Voltage
I
LOAD = 900 mA
1.238
1.200
1.263
V
V(min)
V(max)
V
OUT
Output Voltage Line
Regulation
V
IN =4Vto14V
I
LOAD = 900 mA
0.2
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 10 mA to 1.5A
V
IN =5V
1.3
%
V
OUT
Output Voltage Load
Regulation
I
LOAD = 200 mA to 1.5A
V
IN =5V
0.3
%
V
HYST
Sleep Mode Output Voltage
Hysteresis
24
mV
All Output Voltage Versions
Specifications in standard type face are for T
J = 25C and those with boldface type apply over full operating junction tem-
perature range. V
IN =10V unless otherwise specified.
Symbol
Parameter
Conditions
Typical
Limit
Units
I
Q
Quiescent Current
1.6
2.0
mA
mA(max)
I
QSD
Quiescent Current in
Shutdown Mode
Shutdown Pin Pulled Low
7
12/20
A
A(max)
R
SW(ON)
High-Side or Low-Side Switch
On Resistance (MOSFET On
Resistance + Bonding Wire
Resistance)
I
SWITCH = 1A
110
m
R
DS(ON)
MOSFET On Resistance
(High-Side or Low-Side)
I
SWITCH =1A
75
130
m
m
(max)
I
L
Switch Leakage Current - High
Side
130
nA
Switch Leakage Current - Low
Side
130
nA
V
BOOT
Bootstrap Regulator Voltage
I
BOOT = 1 mA
6.75
6.45/6.40
6.95/7.00
V
V(min)
V(max)
G
M
Error Amplifier
Transconductance
1250
mho
V
INUV
V
IN Undervoltage Lockout
Threshold Voltage
Rising Edge
3.8
3.95
V
V(max)
V
UV-HYST
Hysteresis for the
Undervoltage Lockout
210
mV
I
CL
Switch Current Limit
V
IN =5V
2
1.55
2.60
A
A(min)
A(max)
I
SM
Sleep Mode Threshold Current V
IN = 5V
100
mA
A
V
Error Amplifier Voltage Gain
100
V/V
I
EA_SOURCE
Error Amplifier Source Current
40
25/15
A
A(min)
I
EA_SINK
Error Amplifier Sink Current
65
30
A
A(min)
V
EAH
Error Amplifier Output Swing
Upper Limit
2.70
2.50/2.40
V
V(min)
LM2651
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| LM2651MTC-2.5/NOPB | 2.6 A SWITCHING REGULATOR, 345 kHz SWITCHING FREQ-MAX, PDSO16 |
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相关代理商/技术参数 |
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| LM2651MTCX-3.3 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2651MTCX-3.3/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2651MTCX-ADJ | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LM2651MTCX-ADJ/J7001115 | 制造商:Texas Instruments 功能描述: |
| LM2651MTCX-ADJ/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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