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LM27761DSGR 数据手册 - TI(德州仪器)
制造商:
TI(德州仪器)
分类:
稳压芯片
封装:
WSON-8
描述:
LM27761DSGR 编带
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3Hot
典型应用电路图在P1P5P6P7P8P11
原理图在P9
封装尺寸在P20P22P23
标记信息在P20
封装信息在P19P20P21P22P23
技术参数、封装参数在P4
应用领域在P1
电气规格在P5
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LM27761DSGR数据手册
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5
LM27761
www.ti.com
SNVSA85C –OCTOBER 2015–REVISED JANUARY 2017
Product Folder Links: LM27761
Submit Documentation FeedbackCopyright © 2015–2017, Texas Instruments Incorporated
6.5 Electrical Characteristics
Typical limits apply for T
A
= 25°C, and minimum and maximum limits apply over the full temperature range. Unless otherwise
specified, V
IN
= 5 V and values for C1 to C4 are as shown in the Typical Application.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
q
Supply current Open circuit, no load 370 600 µA
I
SD
Shutdown supply current 7 12 µA
ƒ
SW
Switching frequency V
IN
= 3.6 V 1.7 2 2.3 MHz
R
NEG
Output resistance to C
POUT
V
IN
= 5.5 V 2 Ω
V
DO
LDO dropout voltage I
LOAD
= 100 mA, V
OUT
= −5 V 30 mV
PSRR Power supply rejection ratio I
LOAD
= 80 mA, V
CPOUT
= −5 V 35 dB
V
N
Output noise voltage I
LOAD
= 80 mA, 10 Hz to 100 kHz 20 µV
RMS
V
FB
Feedback pin reference voltage 1.202 1.22 1.238 V
V
OUT
Adjustable output voltage 5.5 V ≥ V
IN
≥ 2.7 V –5 –1.5 V
Load regulation 0 to 250 mA, V
OUT
= −1.8 V 4.6 µV/mA
Line regulation 5.5 V ≥ V
IN
≥ 2.7 V, I
LOAD
= 50 mA 1.5 mV/V
V
IH
Enable pin input voltage high 5.5 V ≥ V
IN
≥ 2.7 V 1.2 V
V
IL
Enable pin input voltage low 5.5 V ≥ V
IN
≥ 2.7 V 0.4 V
UVLO Undervoltage lockout
V
IN
falling 2.6
V
V
IN
rising 2.4
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