參數(shù)資料
型號(hào): LTC1757-2CMS8
英文描述: Industrial Control IC
中文描述: 工業(yè)控制IC
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 178K
代理商: LTC1757-2CMS8
11
LTC1701/LTC1701B
TYPICAL APPLICATIO S
U
All Ceramic Capacitor 2.5V Converter
2mm Nominal Height 1.5V Converter
5V to 3.3V Converter with Push-Button On/Off
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
LOAD CURRENT (mA)
1
EFFICIENCY
(%)
90
85
80
75
70
65
60
55
50
10
100
1000
1701TA01b
VIN = 2.5V
VIN = 3.3V
VOUT = 1.5V
LTC1701
LTC1701B
VIN
ITH/RUN
SW
VFB
GND
C4
1
F
+
R3
5.1k
R4
1M
R1
100k
D1
C3
330pF
C1
15
F
C5
4.7
F
+
C2
22
F
R2
20k
L1
4.7
H
VIN
2.5V TO
5.5V
VOUT
(1.5V/0.5A)
LTC1701
C1: AVX TAJA156M010R
C2: AVX TAJA226M006R
1701 TA01a
D1: MBRM120L
L1: MURATA LQH3C4R7M24
C4: TAIYO YUDEN LMK212BJ105MG
C5: TAIYO YUDEN JMK212BJ475MG
LOAD CURRENT (mA)
1
EFFICIENCY
(%)
100
95
90
85
80
75
70
10
100
1000
1701 TA02b
VIN = 5.0V
VIN = 3.3V
VOUT = 2.5V
LTC1701
LTC1701B
Efficiency Curve
LTC1701B Low Current Pulse Skip
VIN
ITH/RUN
SW
VFB
GND
C4
1
F
R3
5.1k
R4
1M
R1
121k
D1
C3
180pF
C6
33pF
C1
10
F
C2
10
F
R2
121k
L1
4.7
H
VIN
2.5V TO
5.5V
LTC1701
C1, C2: TAIYO YUDEN JMK316BJ106ML
C4, C5: TAIYO YUDEN LMK212BJ105MG
C5
1
F
VOUT
(2.5V/0.5A)
1701 TA02
L1: MURATA LQH3C4R7M24
D1: MBRM120L
VIN
ITH/RUN
SW
VFB
GND
C4
1
F
+
R3
5.1k
R5
5.1M
R1
20.5k
D1
C3
330pF
C1
15
F
C5
1
F
+
C2
22
F
R2
34k
R4
1M
L1
4.7
H
VIN
3.3V TO
5.5V
VOUT
(3.3V/
0.5A)
LTC1701
C1: AVX TAJA156M010R
C2: AVX TAJA226M006R
C4, C5: TAIYO YUDEN LMK212BJ105MG
1701 TA03a
ON
OFF
D1: MBRM120L
L1: MURATA LQH3C4R7M24
VOUT
20mV/DIV
IL
50mA/DIV
5
s/DIV
1701 TA03b
VIN = 5V
VOUT = 2.5V
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