Electronic component search and free download site. Transistors,MosFET ,Diode,Integrated circuits
English
한국어
日本語
русский
简体中文
español
零件编号
产品描述 (功能)
LTC1143 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC1143
Dual High Efficiency SO-16 Step-Down Switching Regulator Controllers
Linear Technology
LTC1143 Datasheet PDF : 20 Pages
1
2
3
4
5
6
7
8
9
10
Next
Last
LTC1143/LTC1143L
LTC1143L-ADJ
TYPICAL PERFORMANCE CHARACTERISTICS
5V Output Efficiency
100
V
IN
= 6V
95
90
V
IN
= 10V
85
80
75
70
1
10
100
LOAD CURRENT (mA)
1000
LTC1143 G01
3.3V Efficiency vs Input Voltage
100
98
V
OUT
= 3.3V
96
94
92
90
I
LOAD
= 1A
88
I
LOAD
= 100mA
86
84
82
80
0
4
8
12
INPUT VOLTAGE (V)
16
LTC1143 G04
DC Supply Current
2.1
NOT INCLUDING
1.8 GATE CHARGE CURRENT
PINS 5, 13
1.5
ACTIVE MODE
1.2
PER REGULATOR BLOCK
0.9
0.6
0.3
SLEEP MODE
0
0 2 4 6 8 10 12 14 16 18
INPUT VOLTAGE (V)
LTC1143 • G07
3.3V Output Efficiency
100
95
V
IN
= 5V
90
85
V
IN
= 10V
80
75
70
1
10
100
LOAD CURRENT (mA)
1000
LTC1143 G02
Line Regulation
40
V
OUT
= 5V
30
I
LOAD
= 1A
20
10
0
–10
–20
–30
–40
0
4
8
12
INPUT VOLTAGE (V)
16
LTC1143 G05
Supply Current in Shutdown
20
18
PER LTC1143/LTC1143L
REGULATOR BLOCK
16
PINS 5, 13
V
SHUTDOWN
= 2V
14
12
10
8
6
4
2
0
02
4 6 8 10 12 14 16 18
INPUT VOLTAGE (V)
LTC1143 G08
5V Efficiency vs Input Voltage
100
98
V
OUT
= 5V
96
94
I
LOAD
= 1A
92
90
88
I
LOAD
= 100mA
86
84
82
80
0
4
8
12
16
INPUT VOLTAGE (V)
1143 G03
Load Regulation
20
0
–20
V
IN
= 6V
R
SENSE
= 0.05
Ω
V
IN
= 12V
–40
–60
–80
–100
0
V
IN
= 6V
V
OUT
= 5V
V
OUT
= 3.3V
V
IN
= 12V
0.5
1.0
1.5
2.0
2.5
LOAD CURRENT (A)
LTC1143 G06
Operating Frequency vs V
IN
– V
OUT
1.6
V
OUT
= 5V
1.4
0°C
1.2
25°C
1.0
70°C
0.8
0.6
0.4
0.2
0
0
2
4
6
8 10 12
(V
IN
– V
OUT
) VOLTAGE (V)
LTC1143 G09
4
Share Link:
datasheetq.com [
Privacy Policy
]
[
Request Datasheet
] [
Contact Us
]