參數(shù)資料
型號(hào)： LTC3672BEDC-2#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 1.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 2 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-8
文件頁(yè)數(shù)： 5/12頁(yè)
文件大?。?/td> 165K
代理商： LTC3672BEDC-2#PBF
LTC3672B-2
2
3672b2fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN ............................................................... –0.3V to 6V
VIN1, BUCKOUT, ENALL, SW,
LDO2 ..........–0.3V to the Lesser of (VIN + 0.3V) or 6V
LDO1 ............ –0.3V to the Lesser of (VIN1 + 0.3V) or 6V
Junction Temperature ........................................... 125°C
Operating Temperature Range (Note 2)........ –40 to 85°C
Storage Temperature Range....................... –65 to 125°C
(Notes 1, 3)
TOP VIEW
SW
GND
ENALL
BUCKOUT
VIN
LDO2
LDO1
VIN1
DC PACKAGE
8-LEAD (2mm
2mm) PLASTIC DFN
9
4
1
2
3
6
5
7
8
TJMAX = 125°C, θJA = 102°C/W, θJC = 20°C/W
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = VIN1 = 3.6V, unless otherwise noted.
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3672BEDC-2#PBF
LTC3672BEDC-2#TRPBF
LDBH
8-Lead (2mm
× 2mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Voltage Range
l
2.9
5.5
V
VUVLO
VIN Undervoltage Lockout Threshold
VIN Rising
1.7
2
V
Undervoltage Lockout Hysteresis
12
100
mV
IQ,VIN
VIN Quiescent Current
All Outputs Enabled, No Load
Shutdown
(Note 4)
VBUCKOUT = 1.3V
VENALL = 0V
260
400
1
μA
IQ,VIN1
VIN1 Quiescent Current
All Outputs Enabled, No Load
Shutdown
VENALL = 0V
2.3
5
1
μA
VIL
ENALL Pin Logic Low Voltage
l
0.4
V
VIH
ENALL Pin Logic High Voltage
l
1.2
V
RENALL
ENALL Pin Pulldown Resistance
5.5
M
Ω
Synchronous Buck Regulator
fOSC
Oscillator Frequency
1.8
2.25
2.7
MHz
VBUCKOUT
Regulated Output Voltage
l
1.17
1.2
1.23
V
IMAXP
PMOS Switch Maximum Peak Current (Note 5)
550
800
1100
mA
IOUT,BUCK
Available Output Current
400
mA
RP,BUCK
PMOS Switch On-Resistance
0.6
Ω
RN,BUCK
NMOS Switch On-Resistance
0.7
Ω
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