收藏本站
参数资料
型号： LM26480QSQX-CF/NOPB
厂商： NATIONAL SEMICONDUCTOR CORP
元件分类： 稳压器
英文描述： 2.4 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, QCC24
封装： 4 X 4 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, LLP-24
文件页数： 26/30页
文件大小： 2455K
代理商： LM26480QSQX-CF/NOPB
Absolute Maximum Ratings (Note 1, Note
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VINLDO12, VIN1, AVDD, VIN2,
VINLDO1, VINLDO2, ENSW1,
FB1, FB2, ENSW2, ENLDO1,
ENLDO2, SYNC, FBL1, FBL2
0.3V to +6V
GND to GND SLUG
±0.3V
Power Dissipation (P
D_MAX)
(T
A=85°C, TMAX=125°C )
(Note 5)
1.17W
Junction Temperature (T
J-MAX)
150°C
Storage Temperature Range
65°C to +150°C
Maximum Lead Temperature (Soldering)
260°C
ESD Ratings
Human Body Model (Note 4)
2 kV
Operating Ratings: Bucks (Note 1, Note
2, Note 7)
V
IN
2.8V to 5.5V
V
EN
0 to (V
IN + 0.3V)
Junction Temperature (T
J) Range
–40°C to +125°C
Ambient Temperature (T
A) Range
(Note 6)
40°C to +85°C
Thermal Properties (Note 3, Note 5, Note 6)
Junction-to-Ambient Thermal
Resistance (
θ
JA) SQA024AG
34.1°C/W
General Electrical Characteristics (Note 1, Note 2, Note 7, Note 13, Note 16)
Unless otherwise noted, V
IN = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25°C. Limits appearing in
boldface type
apply over the entire junction temperature range for operation, 40°C to +125°C.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
Q
VINLDO12 Shutdown Current
V
IN = 3.6V
0.5
A
V
POR
Power-On Reset Threshold
V
DD Falling Edge(Note 16)
1.9
V
T
SD
Thermal Shutdown Threshold
(Note 13)
160
°C
T
SDH
Themal Shutdown Hysteresis
(Note 13)
20
°C
UVLO
Under Voltage Lock Out
Rising
2.9
V
Failing
2.7
V
Low Drop Out Regulators, LDO1 and LDO2
Unless otherwise noted, V
IN = 3.6V, CIN = 1.0 F, COUT = 0.47 F. Typical values and limits appearing in normal type apply for
T
J = 25°C. Limits appearing in boldface type apply over the entire junction temperature range for operation, 40°C to +125°C.
(Note 2, Note 7, Note 8, Note 9)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
IN
Operational Voltage Range
VINLDO1 and VINLDO2 PMOS
pins (Note 15)
1.74
5.5
V
FB
FB Voltage Accuracy
3
%
ΔV
OUT
Line Regulation
V
IN = (VOUT + 0.3V) to 5.0V
(Note 12) Load Current = 1 mA
0.15
%/V
Load Regulation
V
IN = 3.6V,
Load Current = 1 mA to I
MAX
0.011
%/mA
I
SC
Short Circuit Current Limit
LDO1-2, V
OUT = 0V
500
mA
V
IN – VOUT
Dropout Voltage
Load Current = 50 mA
(Note 10)
25
200
mV
PSRR
Power Supply Ripple Rejection
F = 10 kHz, Load Current = I
MAX
45
dB
θn
Supply Output Noise
10 Hz < F < 100 kHz
150
Vrms
I
q
Quiescent Current “On”
I
OUT = 0 mA
40
150
A
Quiescent Current “On”
I
OUT = 300 mA
60
200
A
Quiescent Current “Off”
EN is de-asserted
0.03
1
A
T
ON
Turn On Time
Start up from shut-down
300
sec
5
www.national.com
LM26480
相关PDF资料
PDF描述
LM26480QSQ-CF/NOPB 2.4 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, QCC24
LM26480SQ-BF/NOPB 2.4 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, QCC24
LM26480SQX-BF/NOPB 2.4 A SWITCHING REGULATOR, 2400 kHz SWITCHING FREQ-MAX, QCC24
LM2661M/NOPB SWITCHED CAPACITOR CONVERTER, 80 kHz SWITCHING FREQ-MAX, PDSO8
LM2660MMX/NOPB SWITCHED CAPACITOR CONVERTER, 40 kHz SWITCHING FREQ-MAX, PDSO8
相关代理商/技术参数
参数描述
LM26480SQ-AA 制造商:Texas Instruments 功能描述:DC/ DC STEP DOWN, DUAL LINEAR REG, IC
LM26480SQ-AA/NOPB 功能描述:线性稳压器 - 标准 DUAL HI-CRNT STEP- DOWN DC/DC RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L
LM26480SQ-AA/S7002404 制造商:Texas Instruments 功能描述:
LM26480SQ-AAEV 功能描述:BOARD EVALUATION LM26480SQ-AA RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC，步升 输出及类型:1，非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
LM26480SQ-AAEV/NOPB 功能描述:电源管理IC开发工具 LM26480SQ-AAEV EVAL BOARD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*