參數(shù)資料
型號: LT3958IUHE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC36
封裝: 5 X 6 MM, LEAD FREE, PLASTIC, QFN-36
文件頁數(shù): 27/28頁
文件大?。?/td> 320K
代理商: LT3958IUHE#PBF
LT3958
8
3958f
BLOCK DIAGRAM
Figure 1. LT3958 Block Diagram Working as a SEPIC Converter
L1
R3
R4
L2
1.22V
2.5V
D1
CDC
CIN
VOUT
COUT
CVCC
INTVCC
SENSE1
GND
SENSE2
INTVCC
VIN
RSENSE
M1
VISENSE
VIN
IS1
2μA
27
SW
28
12, 13, 14,
15, 16, 17
25
EN/UVLO
INTERNAL
REGULATOR
AND UVLO
TLO
165C
A10
Q3
VC
12.8V
3.75V
A8
UVLO
IS2
10μA
IS3
DRIVER
SLOPE
SENSE
48mV
SR1
+
+
CURRENT
LIMIT
RAMP
GENERATOR
7.2V LDO
+
+
RO
S
2.5V
RT
RT
SS
CSS
SYNC
1.28V
1.2V
1.6V
–0.8V
+
+
+
32
VC
30
FBX
31
34
33
SGND
4, 23,
24, 37
+
+
6
3
RAMP
PWM
COMPARATOR
FREQUENCY
FOLDBACK
FREQUENCY
FOLDBACK
100kHz-1MHz
OSCILLATOR
FREQ
PROG
CC2
CC1
3958 F01
+
Q1
A1
A2
1.72V
–0.88V
+
+
A11
A12
A3
A4
A5
A6
G2
G5
G6
A7
A9
Q2
G4
G3
8, 9, 20,
21, 38
R1
R2
VOUT
RC
G1
相關(guān)PDF資料
PDF描述
LT3958EUHE#PBF SWITCHING REGULATOR, PQCC36
LT3958EUHE#TRPBF SWITCHING REGULATOR, PQCC36
LT4180MPGN#PBF POWER SUPPLY SUPPORT CKT, PDSO24
LT4180IGN#PBF POWER SUPPLY SUPPORT CKT, PDSO24
LT4180EGN#TRPBF POWER SUPPLY SUPPORT CKT, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3958IUHETRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Input Voltage, Boost, Flyback, SEPIC and Inverting Converter
LT3959 制造商:LINER 制造商全稱:Linear Technology 功能描述:Wide Input Voltage Range Boost/SEPIC/Inverting Converter with 6A, 40V Switch
LT3959EFE#PBF 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ 38TSSOP
LT3959EFE#PBF 制造商:Linear Technology 功能描述:DC-DC CONV BOOST/INVERTING TSSOP-38 制造商:Linear Technology 功能描述:DC-DC CONV, BOOST/INVERTING, TSSOP-38
LT3959EFE#TRPBF 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ 38TSSOP