参数资料
型号: LTC3416EFE#PBF
厂商: Linear Technology
文件页数: 4/16页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 4A 20TSSOP
标准包装: 74
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.8 V ~ 5 V
输入电压: 2.25 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 4A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 20-TSSOP-EP
产品目录页面: 1334 (CN2011-ZH PDF)
LTC3416
TYPICAL PERFOR A CE CHARACTERISTICS
DC Supply Current
Efficiency vs Load Current,
1090
Frequency vs Temperature
400
vs Input Voltage
100
Forced Continuous
1070
1050
1030
V IN = 3.3V
R OSC = 294k
350
300
250
90
80
70
60
V IN = 2.5V
V IN = 3.3V
1010
990
970
950
200
150
100
50
40
30
20
930
910
–40 –20
0
20 40
60
80
100 120
50
0
2.25
2.75
3.25
3.75
4.25
4.75
5.25
10
0
0.01
0.10 1
V OUT = 1.8V
f = 2MHz
10
TEMPERATURE ( ° C)
3416 G07
Efficiency vs Input Voltage
INPUT VOLTAGE (V)
3416 G08
Load Regulation
LOAD CURRENT (A)
3416 G09
98
96
94
I OUT = 1A
V OUT = 2.5V
T A = 25 ° C
0
–0.20
V IN = 3.3V
V OUT = 1.8V
92
90
88
86
84
82
80
78
I OUT = 4A
–0.40
–0.60
–0.80
–1.00
–1.20
–1.40
2.5
3.0
3.5
4.0 4.5
5.0
5.5
0
0.5
1.0
1.5 2.0
2.5
3.0
3.5
4.0
V OUT
INDUCTOR
CURRENT
2A/DIV
INPUT VOLTAGE (V)
Load Step Transient
3416 G10
LOAD CURRENT (A)
3416 G11
Tracking: Start-Up and Shutdown
20 μ s/DIV
V IN = 3.3V, V OUT = 1.8V
f = 2MHz
3416 G12
5ms/DIV
V IN = 3.3V, V OUT = 1.8V
TRACKING 2.5V
3416 G13
LOAD STEP = 0A TO 4A
3416fa
4
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