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LM25118 データシート(PDF) 9 Page - Texas Instruments

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部品番号 LM25118
部品情報  LM25118, LM25118-Q1 Wide Voltage Range Buck-Boost Controller
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

LM25118 データシート(HTML) 9 Page - Texas Instruments

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LM25118, LM25118-Q1
www.ti.com
SNVS726D – JULY 2011 – REVISED AUGUST 2014
Electrical Characteristics
(1) (continued)
Unless otherwise specified, the following conditions apply: VIN = 24 V, VCCX = 0 V, EN = 5 V, RT = 29.11 k
Ω, no load on LO
and HO.
(1)
–40°C to +125°C
TJ = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
HIGH SIDE (HO) GATE DRIVER
VOLH
HO Low-state Output Voltage
IHO = 100 mA
0.1
0.21
0.135
V
IHO = –100 mA,
VOHH
HO High-state Output Voltage
0.25
V
VOHH = VHB-VOH
HO Rise Time
C-load = 1 nF, VCC = 8 V
14
ns
HO Fall Time
C-load = 1 nF, VCC = 8 V
12
ns
IOHH
Peak HO Source Current
VHO = 0 V, VCC = 8 V
2.2
A
IOLH
Peak HO Sink Current
VHO = VCC = 8 V
3.5
A
HB-HS Under Voltage Lock-out
3
V
BUCK-BOOST CHARACTERISTICS(2)
Buck-Boost Mode
Buck Duty Cycle
69
80
75
%
THERMAL
Thermal Shutdown Junction
TSD
165
°C
Temperature
ΔTSD
Thermal Shutdown Hysterisis
25
°C
(2)
When the duty cycle exceeds 75%, the LM25118 controller gradually phases into the Buck-Boost mode.
Copyright © 2011–2014, Texas Instruments Incorporated
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Product Folder Links: LM25118 LM25118-Q1


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