参数资料
型号: LTC3615EUF-1#PBF
厂商: Linear Technology
文件页数: 6/32页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A DL 24QFN
标准包装: 91
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.25 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 400kHz ~ 4MHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 24-QFN 裸露焊盘(4x4)
LTC3615/LTC3615-1
TYPICAL PERFORMANCE CHARACTERISTICS
V IN = 3.3V, R T /SYNC = SV IN , unless otherwise noted.
V OUT
20mV/DIV
I L
200mA/DIV
Forced Continuous Mode
Operation (FCM)
V OUT
20mV/DIV
I L
500mA/DIV
Pulse-Skipping Mode Operation
V OUT
20mV/DIV
I L
500mA/DIV
Burst Mode Operation
V OUT = 1.8V
I OUT = 100mA
V MODE = 1.5V
1μs/DIV
3615 G09
V OUT = 1.8V
I OUT = 75mA
V MODE = 3.3V
20μs/DIV
3615 G10
V OUT = 1.8V
I OUT = 75mA
V MODE = 0V
20μs/DIV
3615 G11
V OUT
200mV/DIV
I L
1A/DIV
Load Step Transient in
FCM External Compensation
V OUT
200mV/DIV
I L
1A/DIV
Load Step Transient
in Pulse-Skipping Mode
V OUT
200mV/DIV
I L
1A/DIV
Load Step Transient in
Burst Mode Operation
V OUT = 1.8V 50μs/DIV
I LOAD = 100mA TO 3A
V MODE = 1.5V
COMPENSATION FIGURE 1
3615 G12
V OUT = 1.8V 50μs/DIV
I LOAD = 100mA TO 3A
V MODE = 3.3V
COMPENSATION FIGURE 1
3615 G13
V OUT = 1.8V 50μs/DIV
I LOAD = 100mA TO 3A
V MODE = 0V
COMPENSATION FIGURE 1
3615 G14
Load Step Transient in FCM
with AVP Mode
Load Step Transient in Forced
Continuous Mode Sourcing and
Sinking Current
Internal Start-Up in Forced
Continuous Mode
V OUT
100mV/DIV
I L
1A/DIV
V OUT = 1.8V 50μs/DIV
I LOAD = 100mA TO 3A
V MODE = 1.5V
V ITH = 3.3V
OUTPUT CAPACITOR VALUE FIGURE 1
3615 G15
V OUT
200mV/DIV
I L
2A/DIV 0A
V OUT = 1.8V 50μs/DIV
I LOAD = –1.5A TO 3A
V MODE = 1.5V
COMPENSATION FIGURE 1
3615 G16
RUN
1V/DIV
V OUT
500mV/DIV
I L
1A/DIV
PGOOD
2V/DIV
V OUT = 1.8V
I OUT = 3A
V MODE = 1.5V
500μs/DIV
3615 G17
6
For more information www.linear.com/LTC3615
3615fb
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