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参数资料
| 型号： | DC1623A |
| 厂商： | Linear Technology |
| 文件页数： | 3/26页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL LTM8003 |
| 软件下载： | LTM8033 Spice Model |
| 设计资源： | DC1623A Design Files |
| 标准包装： | 1 |
| 系列： | µModule® |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 3A |
| 输入电压： | 5.5 ~ 36 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 425kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTM8033 |
LTM8033
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 12V, RUN/SS = 12V unless otherwise noted (Note 2).
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Input Voltage
Output DC Voltage
0 < I OUT < 3A, R ADJ Open, V IN = 24V
0 < I OUT < 3A, R ADJ = 16.5k, V IN = 32V
l
0.8
24
3.6
V
V
V
Output DC Current
Quiescent Current into V IN
Quiescent Current into BIAS
Line Regulation
Load Regulation
Output RMS Voltage Ripple
Switching Frequency
V IN = 24V
RUN/SS = 0V
Not Switching
BIAS = 0V, Not Switching
RUN/SS = 0V
Not Switching
BIAS = 0V, Not Switching
5.5V < V IN < 36V
0A < I OUT < 3A, V IN = 24V
V IN = 24V, 0A < I OUT < 3A
R T = 45.3k
0
0.01
30
100
0.01
75
0
0.3
0.4
5
780
3
1
60
150
0.5
120
5
A
μA
μA
μA
μA
μA
μA
%
%
mV
kHz
Voltage at ADJ Pin
Current Out of ADJ Pin
Minimum BIAS Voltage for Proper Operation
RUN/SS Pin Current
ADJ = 1V, V OUT = 0V
RUN/SS = 2.5V
l
775
790
2
2
5
805
2.8
10
mV
μA
V
μA
RUN/SS Input High Voltage
RUN/SS Input Low Voltage
2.5
0.2
V
V
PGOOD Threshold (at ADJ)
V OUT Rising
730
mV
PGOOD Leakage Current
PGOOD = 30V, RUN/SS = 0V
0.1
1
μA
PGOOD Sink Current
PGOOD = 0.4V
200
735
μA
SYNC Input Low Threshold
SYNC Input High Threshold
SYNC Bias Current
500kHz Narrowband Conducted Emissions
1MHz Narrowband Conducted Emissions
3MHz Narrowband Conducted Emissions
f SYNC = 550kHz
f SYNC = 550kHz
SYNC = 0V
24V IN , 3.3V OUT , I OUT = 3A, 5μH LISN
0.5
0.1
89
69
51
0.7
V
V
μA
dBμV
dBμV
dBμV
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTM8033E is guaranteed to meet performance specifications
from 0°C to 125°C internal. Specifications over the full –40°C to
125°C internal operating temperature range are assured by design,
characterization and correlation with statistical process controls. The
LTM8033I is guaranteed to meet specifications over the full –40°C
to 125°C internal operating temperature range. The LTM8033MP is
guaranteed to meet specifications over the full –55°C to 125°C internal
operating temperature range. Note that the maximum internal temperature
is determined by specific operating conditions in conjunction with board
layout, the rated package thermal resistance and other environmental
factors.
8033fa
For more information www.linear.com/LTM8033
3
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