参数资料
型号: LTC3727AIG-1#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO28
封装: 5.30 MM, LEAD FREE, PLASTIC, SSOP-28
文件页数: 12/32页
文件大小: 328K
代理商: LTC3727AIG-1#TRPBF
LTC3727A-1
2
3727a1fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Input Supply Voltage (VIN)......................... 36V to –0.3V
Top Side Driver Voltages
BOOST1, BOOST2.................................. 42V to –0.3V
Switch Voltage (SW1, SW2) ......................... 36V to –5V
INTVCC, EXTVCC, (BOOST1-SW1),
(BOOST2-SW2)......................................... 8.5V to –0.3V
RUN/SS1, RUN/SS2, PGOOD...................... 7V to –0.3V
SENSE1+, SENSE2+, SENSE1,
SENSE2Voltages ..................................... 14V to –0.3V
PLLIN, PLLFLTR, FCB Voltages ............ INTVCC to –0.3V
ITH1, ITH2, VOSENSE1, VOSENSE2 Voltages ... 2.7V to –0.3V
Peak Output Current <10μs (TG1, TG2, BG1, BG2).....3A
INTVCC Peak Output Current ................................. 50mA
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RUN/SS1
SENSE1+
SENSE1
VOSENSE1
PLLFLTR
PLLIN
FCB
ITH1
SGND
3.3VOUT
ITH2
VOSENSE2
SENSE2
SENSE2+
PGOOD
TG1
SW1
BOOST1
VIN
BG1
EXTVCC
INTVCC
PGND
BG2
BOOST2
SW2
TG2
RUN/SS2
TJMAX = 125°C, θJA = 95°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3727AEG-1#PBF
LTC3727AEG-1#TRPBF
LTC3727AEG-1
28-Lead Plastic SSOP
–40°C to 85°C
LTC3727AIG-1#PBF
LTC3727AIG-1#TRPBF
LTC3727AIG-1
28-Lead Plastic SSOP
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3727AEG-1
LTC3727AEG-1#TR
LTC3727AEG-1
28-Lead Plastic SSOP
–40°C to 85°C
LTC3727AIG-1
LTC3727AIG-1#TR
LTC3727AIG-1
28-Lead Plastic SSOP
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges.
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/
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Main Control Loops
VOSENSE1, 2
Regulated Feedback Voltage
(Note 4); ITH1, 2 Voltage = 1.2V
l
0.792
0.800
0.808
V
IVOSENSE1, 2
Feedback Current
(Note 4)
–5
–50
nA
VREFLNREG
Reference Voltage Line Regulation
VIN = 3.6V to 30V (Note 4)
0.002
0.02
%/V
VLOADREG
Output Voltage Load Regulation
(Note 4)
Measured in Servo Loop;
ΔITH Voltage = 1.2V to 0.7V
Measured in Servo Loop;
ΔITH Voltage = 1.2V to 2.0V
l
0.1
–0.1
0.5
–0.5
%
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 15V, VRUN/SS1, 2 = 5V unless otherwise noted.
相关PDF资料
PDF描述
LTC3727AIG-1#PBF 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO28
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