参数资料
型号: LT3695EMSE-3.3#PBF
厂商: Linear Technology
文件页数: 3/30页
文件大小: 0K
描述: IC REG BUCK 3.3V 1A 16MSOP
标准包装: 37
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 3.6 V ~ 36 V
PWM 型: 电流模式,混合
频率 - 开关: 250kHz ~ 2.2MHz
电流 - 输出: 1A
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: 16-TFSOP(0.118",3.00mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 16-MSOP,裸露焊盘
LT3695 Series
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 10V, V RUN/SS = 10V, unless otherwise noted. (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Operating Voltage (Note 6)
LT3695
V BD = 3.3V
V BD < 3V
l
l
3.4
3.4
3.6
4.3
V
V
LT3695-3.3 V OUT1,2 = 3.3V
l
3.4
3.6
V
LT3695-5
V OUT1,2 = 5V
l
3.4
3.6
V
V IN Overvoltage Lockout
l
36
38
39.9
V
Quiescent Current from V IN
LT3695
V RUN/SS = 0.2V V BD = 3.3V
V RUN/SS = 10V, V BD = 3.3V, Not Switching
V RUN/SS = 10V, V BD = 0V, Not Switching
l
0.01
35
90
0.5
60
160
μA
μA
μA
LT3695-3.3 V RUN/SS = 10V, V OUT1,2 = 3.3V, Not Switching
l
35
60
μA
LT3695-5
V RUN/SS = 10V, V OUT1,2 = 5V, Not Switching
l
35
60
μA
Quiescent Current from BD Pin
LT3695
V RUN/SS = 0.2V, V BD = 3.3V
V RUN/SS = 10V, V BD = 3.3V, Not Switching
V RUN/SS = 10V, V BD = 0V, Not Switching
l
35
0.01
55
0
0.5
100
–5
μA
μA
μA
Quiescent Current from OUT1,2 Pins
LT3695-3.3 V RUN/SS = 0.2V
V RUN/SS = 10V, V OUT1,2 = 3.3V, Not Switching
l
5
43
10
65
15
112
μA
μA
LT3695-5
V RUN/SS = 0.2V
V RUN/SS = 10V, V OUT1,2 = 5V, Not Switching
l
5
43
10
65
15
112
μA
μA
Minimum BD Pin Voltage: LT3695
2.8
3
V
Feedback Voltage: LT3695
l
792
785
800
800
808
815
mV
mV
FB Pin Bias Current: LT3695
Reference Voltage Line Regulation
FB Pin Voltage = 800mV
3.6V < V IN < 36V
l
–5
0.001
–40
0.005
nA
%/V
Output Voltage
LT3695-3.3
LT3695-5
Error Amp g m
Error Amp Voltage Gain
V C Source Current
V C Sink Current
V C Pin to Switch Current Gain
V C Switching Threshold
V C Clamp Voltage
I VC = ±1.5μA
l
l
3.27
3.25
4.95
4.925
0.4
3.3
3.3
5
5
430
1300
50
50
1.25
0.6
2
3.33
3.35
5.05
5.075
0.8
V
V
V
V
μS
V/V
μA
μA
A/V
V
V
Switching Frequency
Minimum Switch Off-Time
Switch Current Limit (Note 7)
R RT = 8.06k
R RT = 29.4k
R RT = 158k
E- and I-Grades
H-Grade
SYNC = 0V
SYNC = 3.3V or Clocked
l
l
1.98
0.9
225
1.45
1.18
2.2
1.0
250
130
130
1.7
1.4
2.42
1.1
275
210
250
2
1.66
MHz
MHz
kHz
ns
ns
A
A
3695fa
3
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