参数资料
型号: LTC3615EUF-1#PBF
厂商: Linear Technology
文件页数: 8/32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.
4.0
3.5
3.0
2.5
2.0
1.5
1.0
Switch Leakage vs Temperature
SYNCHRONOUS SWITCH
No Load Supply Current
vs Input Voltage
180
MODE = 0V
160 RUNx = ITHx = SV IN
140
120
100
80
60
40
180
160
140
120
100
80
60
40
No Load Supply Current
vs Temperature
RUNx = ITHx = SV IN
0.5
0
–60
–25
MAIN SWITCH
10 45 80
TEMPERATURE (°C)
115
150
3615 G25
20
0
2.25
2.75
3.25
3.75 4.25
V IN (V)
4.75
5.25
3615 G26
20 MODE = 0V
0
–60 –25 10 45 80
TEMPERATURE (°C)
115
150
3615 G27
Slew Rate of Falling Edge at
SW1/2 vs SRLIM Resistor
Slew Rate of Rising Edge at
SW1/2 vs SRLIM Resistor
Sinking Current
V IN = 3.3V
V OUT = 1.8V
I OUT = 1A
100k
SRLIM =
SGND OR SV IN
40.2k
V IN = 3.3V
V OUT = 1.8V
I OUT = 1A
40.2k
SRLIM =
SGND OR SV IN
V OUT
20mV/DIV
SW
2V/DIV
1V/DIV
OPEN
1V/DIV
OPEN
100k
I L
500mA/DIV
V OUT = 1.2V
I OUT = –1A
V MODE = 1.5V
1μs/DIV
3615 G30
2ns/DIV
3615 G28
2ns/DIV
3615 G29
V OUT1
1V/DIV
V TRACK/SS
500mV/DIV
PGOOD
2V/DIV
Tracking Up/Down in
Forced Continuous Mode,
SRLIM Pin Tied to 0V
V OUT1
500mV/DIV
V TRACK/SS
200mV/DIV
PGOOD
2V/DIV
Tracking Up/Down in
Forced Continuous Mode,
SRLIM Pin Tied to SV IN
2ms/DIV
V OUT = 0V TO 1.8V
I OUT = 3A
V TRACK/SS = 0V TO 0.7V
V MODE = 1.5V
V SRLIM = 0V
3615 G31
2ms/DIV
V OUT = 0V TO 1.2V
I OUT = 3A
V TRACK/SS = 0V TO 0.4V
V MODE = 1.5V
V SRLIM = 3.3V
3615 G32
8
For more information www.linear.com/LTC3615
3615fb
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