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參數(shù)資料
| 型號： | LTM8052IV#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PBGA81 |
| 封裝： | 15 X 11.25 MM, 2.82 MM HEIGHT, ROHS COMPLIANT, MO-222, LGA-81 |
| 文件頁數(shù)： | 22/28頁 |
| 文件大小： | 350K |
| 代理商： | LTM8052IV#PBF |
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LTM8052
3
8052f
elecTrical characTerisTics The
l
denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at TA = 25°C. RUN = 3V, unless otherwise noted. (Note 3)
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: This Module regulator includes overtemperature protection that
is intended to protect the device during momentary overload conditions.
Internal temperature will exceed 125°C when overtemperature protection
is active. Continuous operation above the specified maximum internal
operating junction temperature may impair device reliability.
Note 3: The LTM8052E is guaranteed to meet performance specifications
from 0°C to 125°C internal operating temperature. 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 LTM8052I is guaranteed to meet specifications over the full –40°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.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RUN Input Hysteresis
160
mV
CTL_I Control Range
0
1.5
V
CTL_I Pin Current
1.5
A
CTL_I Positive Current Limit
CTL_I = 1.5V
CTL_I = 0.75V
5.1
2.24
5.6
2.8
6.1
3.36
A
CTL_I Negative Current Limit
CTL_I = 1.5V
CTL_I = 0.75V
–8.5
–5.7
–7.7
–5.1
–6.9
–4.5
A
CTL_T Control Range
0
1.5
V
CTL_T Pin Current
1.5
A
CTL_T Positive Current Limit
CTL_T = 1.5V
CTL_T = 0.75V
5.1
2.24
5.6
2.8
6.1
3.36
A
CTL_T Negative Current Limit
CTL_T = 1.5V
CTL_T = 0.75V
–8.5
–5.5
–7.7
–4.9
–6.9
–4.3
A
VREF Voltage
0.5mA Load
1.93
2
2.04
V
SS Pin Current
11
A
SYNC Input Low Threshold
fSYNC = 400kHz
0.6
V
SYNC Input High Threshold
fSYNC = 400kHz
1.2
V
SYNC Bias Current
SYNC = 0V
1
A
Typical perForMance characTerisTics
1.2VOUT Efficiency
1.5VOUT Efficiency
1.8VOUT Efficiency
TA = 25°C, unless otherwise noted.
OUTPUT CURRENT (A)
0
EFFICIENCY
(%)
65
70
75
3
5
8052 G01
60
55
50
1
2
4
80
85
90
6VIN
12VIN
24VIN
36VIN
OUTPUT CURRENT (A)
EFFICIENCY
(%)
65
70
75
3
5
8052 G02
60
55
50
1
0
2
4
80
85
90
6VIN
12VIN
24VIN
36VIN
OUTPUT CURRENT (A)
EFFICIENCY
(%)
65
70
75
3
5
8052 G03
60
55
50
1
0
2
4
80
85
95
90
6VIN
12VIN
24VIN
36VIN
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