參數(shù)資料
型號: LT3684IMSE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 4 A SWITCHING REGULATOR, 3300 kHz SWITCHING FREQ-MAX, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 18/24頁
文件大?。?/td> 326K
代理商: LT3684IMSE
LT3684
3
3684f
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Minimum Bias Voltage
2.7
3
V
Feedback Voltage
1.25
1.24
1.265
1.28
1.29
V
FB Pin Bias Current (Note 3)
30
100
nA
FB Voltage Line Regulation
4V < VIN < 34V
0.002
0.02
%/V
Error Amp gm
330
Mho
Error Amp Gain
1000
VC Source Current
75
A
VC Sink Current
100
A
VC Pin to Switch Current Gain
3.5
A/V
VC Clamp Voltage
2V
Switching Frequency
RT = 8.66k
RT = 29.4k
RT = 187k
2.7
1.25
250
3.0
1.4
300
3.3
1.55
350
MHz
kHz
Minimum Switch Off-Time
100
150
nS
Switch Current Limit
Duty Cycle = 5%
3.1
3.6
4.0
A
Switch VCESAT
ISW = 2A
360
mV
Boost Schottky Reverse Leakage
VSW = 10V, VBIAS = 0V
0.02
2
A
Minimum Boost Voltage (Note 4)
1.6
2.1
V
BOOST Pin Current
ISW = 1A
18
30
mA
RUN/SS Pin Current
VRUN/SS = 2.5V
5
10
A
RUN/SS Input Voltage High
2.5
V
RUN/SS Input Voltage Low
0.2
V
PG Threshold Offset from Feedback Voltage
VFB Rising
100
mV
PG Hysteresis
10
mV
PG Leakage
VPG = 5V
0.1
1
A
PG Sink Current
VPG = 0.4V
100
300
A
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 LT3684E is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls. The LT3684I specications are
guaranteed over the –40°C to 125°C temperature range.
Note 3: Bias current measured in regulation. Bias current ows into the FB
pin.
Note 4: This is the minimum voltage across the boost capacitor needed to
guarantee full saturation of the switch.
The
denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 10V, VRUNS/SS = 10V VBOOST = 15V, VBIAS = 3.3V unless otherwise
noted. (Note 2)
ELECTRICAL CHARACTERISTICS
相關(guān)PDF資料
PDF描述
LT3684EDD#TR 4 A SWITCHING REGULATOR, 3300 kHz SWITCHING FREQ-MAX, PDSO10
LT3694-1EUFD#PBF 2.6 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PQCC28
LT3694-1EUFD#TRPBF 2.6 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PQCC28
LT3694IUFD#TRPBF 2.6 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PQCC28
LT3694IFE#PBF 2.6 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO20
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