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参数资料
| 型号： | LTC3604IUD#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PQCC16 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件页数： | 18/24页 |
| 文件大小： | 277K |
| 代理商： | LTC3604IUD#TRPBF |
LTC3604
3
3604f
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VVIN
Input Supply Range
l
3.6
15
V
IQ
Input DC Supply Current
Forced Continuous Operation
Sleep Current
Shutdown
MODE = 0V
MODE = INTVCC, VFB > 0.6V
RUN = 0V
700
300
14
1000
500
25
μA
VFB
Feedback Reference Voltage
l
0.594
0.600
0.606
V
ΔVLINEREG Reference Voltage Line Regulation
VVIN = 3.6V to 15V
0.01
%/V
ΔVLOADREG Output Voltage Load Regulation
ITH = 0.6V to 1.6V
0.1
%
IFB
Feedback Pin Input Current
VFB = 0.6V
±30
nA
gm(EA)
Error Amplier Transconductance
ITH = 1.2V
2.0
mS
tON(MIN)
Minimum On-Time
VON = 1V, VIN = 4V
20
ns
tOFF(MIN)
Minimum Off-Time
VIN = 6V
40
60
ns
ILIM
Valley Switch Current Limit
2.6
3.4
4.3
A
fOSC
Oscillator Frequency
VRT = INTVCC
RRT = 160k
RRT = 80k
1.4
1.7
3.4
2
4
2.6
2.3
4.6
MHz
RDS(ON)
Top Switch On-Resistance
130
mΩ
Bottom Switch On-Resistance
100
mΩ
VVIN(OV)
VIN Overvoltage Lockout Threshold
VIN Rising
VIN Falling
l
16.8
15.8
17.5
16.5
18
17
V
VINTVCC
INTVCC Voltage
3.6V < VIN < 15V
3.13
3.3
3.45
V
ΔINTVCC
INTVCC Load Regulation (Note 4)
IINTVCC = 0mA to 20mA
0.6
%
VUVLO
INTVCC Undervoltage Lockout
Threshold
INTVCC Rising, VIN = INTVCC
INTVCC Falling, VIN = INTVCC
2.75
2.45
2.9
V
VRUN
RUN Threshold
RUN Rising
RUN Falling
l
1.21
0.97
1.25
1.0
1.29
1.03
V
IRUN(LKG)
RUN Leakage Current
VVIN = 15V
0
±3
μA
VFB_GB
PGOOD Good-to-Bad Threshold
FB Rising
FB Falling
8
–8
10
–10
%
VFB_BG
PGOOD Bad-to-Good Threshold
FB Rising
FB Falling
–3
3
–5
5
%
tPGOOD
Power Good Filter Time
20
40
μs
RPGOOD
PGOOD Pull-Down Resistance
10mA Load
15
Ω
ISW(LKG)
Switch Leakage Current
VRUN = 0V
0.01
1
μA
tSS
Internal Soft-Start Time
VFB from 10% to 90% Full Scale
400
700
μs
VFB_TRACK
TRACK Pin
TRACK = 0.3V
0.28
0.3
0.315
mV
ITRACK
TRACK Pull-Up Current
1.4
μA
VMODE/SYNC MODE Threshold Voltage
MODE VIH
MODE VIL
l
1.0
0.4
V
SYNC Threshold Voltage
SYNC VIH
l
0.95
V
IMODE
MODE Input Current
MODE = 0V
MODE = INTVCC
–1.5
1.5
μA
The
l denotes the specications which apply over the full operating
junction temperature range, otherwise specications are at TJ = 25°C. VVIN = 12V, unless otherwise specied.
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 LTC3604E is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the –40°C to 125°C operating
junction temperature range are assured by design, characterization, and
correlation with statistical process controls. The LTC3604I is guaranteed
over the full –40°C to 125°C operating junction temperature range. The
maximum ambient temperature is determined by specic operating
conditions in conjunction with board layout, the rated package thermal
resistance and other environmental factors.
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