參數(shù)資料
型號: LTC3766MPUFD#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 316 kHz SWITCHING FREQ-MAX, PQCC28
封裝: 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28
文件頁數(shù): 34/60頁
文件大小: 607K
代理商: LTC3766MPUFD#TRPBF
LTC3766
4
3766f
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C. (Note 2) VIN = 15V, GND = PGND = 0V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Drivers and Control
FG, SG RUP
FG, SG Driver Pull-Up On-Resistance
1.5
Ω
FG, SG RDOWN FG, SG Driver Pull-Down On-Resistance
1.0
Ω
PT+, PTRUP
PT+, PTDriver Pull-Up Resistance
1.5
Ω
PT+,PTRDOWN PT+, PTDriver Pull-Down Resistance
1.5
Ω
tFGD
FGD Delay
RFGD = 10kΩ
RFGD = 100kΩ
50
436
65
545
80
654
ns
tSGD
SGD Delay
RSGD = 15kΩ
RSGD = 50kΩ
60
195
75
230
90
265
ns
VSW(REV)
SG Reverse Overcurrent SW Threshold
LV MODE
HV MODE
66
140
73
148
79
156
mV
ISW(REV)
SG Reverse Overcurrent Adjust Current
LV MODE
HV MODE
–86
–34.5
–103
–42
–120
–49
A
VCC Supply
VCCOP
VCC Operating Voltage Range
5
10
V
ICC
Supply Current
Normal Mode
Shutdown
VFS/SYNC = VCC = 7V (Note 5)
VRUN = GND
5
210
mA
A
VUVLOR
UV Lockout Rising
VCC Rising, LV MODE
VCC Rising, HV MODE
l
4.6
7.7
4.7
7.9
4.8
8.1
V
VUVLOF
UV Lockout Falling
VCC Falling, LV MODE
VCC Falling, HV MODE
l
3.8
6.7
3.9
6.9
4.0
7.1
V
VREGSD
REGSD Threshold Voltage
VREGSD Rising
1.21
V
IREGSD(C)
REGSD Charge Current
VREGSD = 0.7V
13
μA
IREGSD(D)
REGSD Discharge Current
VREGSD = 0.7V
3
μA
VAUX Supply
VAUXOP
VAUX Operating Voltage Range
5
15
V
VCCVAUX
Regulated VCC Output Voltage
VAUX = 15V, LV MODE
VAUX = 15V, HV MODE
6.7
8.1
7.0
8.5
7.3
8.9
V
VAUXLR
VCC Load Regulation
ICC = 0mA to 120mA, VAUX = 8V, LV MODE
0.8
2
%
VAUXSWP
VAUX Switchover Voltage Rising
VAUX Ramping Positive, LV MODE
VAUX Ramping Positive, HV MODE
4.50
7.65
4.70
8.00
4.88
8.35
V
VAUXSWN
VAUX Switchover Voltage Falling
VAUX Ramping Negative, LV MODE
VAUX Ramping Negative, HV MODE
4.30
7.35
4.50
7.70
4.70
8.05
V
RAUX
VAUX Dropout Resistance
ICC = 120mA, VAUX = 4.9V
1.7
2.5
Ω
RPSL
VAUX Pre-Switchover Load
VAUX = 4V
920
Ω
VIN Supply
VINOP
VIN Operating Voltage Range
5
32
V
VINCL
VIN Clamp Voltage
IVIN = 2mA, VRUN = GND
28
30
32
V
ICLMAX
VIN Clamp Current Limit
VIN = 33V, VRUN = GND
3.8
5.5
7.2
mA
VCCVIN
Regulated VCC Output Voltage
LV MODE (Note 6)
HV MODE (Note 6)
6.7
8.1
7.2
8.5
7.3
8.9
V
IIN
Supply Current
Operating
Shutdown
VFS/SYNC = VCC
VRUN = GND
900
450
1200
A
VINUVLO
VIN Undervoltage Lockout
VIN Rising
2.6
3.2
3.8
V
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