参数资料
型号: LTC3880IUJ-1#TRPBF
厂商: Linear Technology
文件页数: 11/112页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 40-QFN
软件下载: LTpowerPlay™
标准包装: 2,000
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 1MHz
电源电压: 4.5 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 40-WFQFN 裸露焊盘
包装: 带卷 (TR)
LTC3880/LTC3880-1
TYPICAL PERFORMANCE CHARACTERISTICS
2.0
1.5
1.0
0.5
0
–0.5
V OUT Command INL
0.3
0.2
0.1
0
–0.1
–0.2
V OUT Command DNL
5.25
5.00
4.75
4.50
4.25
4.00
3.75
INTV CC Line Regulation
–1.0
0.5 1 1.5
2 2.5 3
3.5
4 4.5
5
5.5
–0.3
0.5 1 1.5
2 2.5 3
3.5
4 4.5
5
5.5
3.50
5
10
15
20
25
1.010
V OUT (V)
V OUT OV Threshold
vs Temperature (1V Target)
3880 G19
2.03
V OUT (V)
V OUT OV Threshold
vs Temperature (2V Target)
3880 G20
4.04
V IN (V)
V OUT OV Threshold
vs Temperature (4V Target)
3880 G21
1.005
2.02
2.01
4.03
4.02
4.01
1.000
2.00
4.00
0.995
1.99
1.98
3.99
3.98
3.97
0.990
–50 –30 –10 10 30 50 70
TEMPERATURE (°C)
90
110
1.97
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3.96
–50 –25
0
25 50 75 100 125 150
TEMPERATURE (°C)
3880 G22
3880 G23
3880 G24
1.0
Temperature Error
vs Temperature
8
I OUT Error vs I OUT Room
Temperature
2
I IN Measurement Error vs I IN
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
6
4
2
0
–2
–4
–6
0
–2
–4
–6
–8
–10
–1.0
–45 –25 –5
15
35
55
75
95 115
–8
0
5
10
15
20
–12
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
ACTUAL TEMPERATURE (°C)
3880 G25
OUTPUT CURRENT (A)
3880 G26
For more information www.linear.com/LTC3880
I IN (A)
3880 G27
3880fb
11
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