參數(shù)資料
型號： LT3751IUFD#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封裝： 4 X 5 MM, PLASTIC, QFN-20
文件頁數(shù)： 18/34頁
文件大?。?/td> 403K
代理商： LT3751IUFD#TR
LT3751
25
3751fb
TYPICAL APPLICATIONS
42A Capacitor Charger
CHARGE
CLAMP
VCC
DONE
FAULT
UVLO1
OVLO1
UVLO2
OVLO2
RDCM
RVOUT
HVGATE
LVGATE
CSP
CSN
FB
RVTRANS
T1**
1:10
D1
VOUT
500V
VTRANS
12V TO 24V
VCC
3751 TA02
LT3751
GND RBG
R6
40.2k
OFF ON
C3
1000μF
C2
10μF
3
VCC
12V TO 24V
C1
10μF
R7, 18.2k
R8, 40.2k
M1, M2*
R5
2.5mΩ
D2***
+
C4
1200μF
R9
787Ω
VTRANS
VCC
R10, 100k
R11, 100k
R1, 191k
R2, 475k
R3, 191k
R4, 475k
C1: 25V X5R OR X7R CERAMIC CAPACITOR
C2: 25V X5R OR X7R CERAMIC CAPACITOR
C3: 25V ELECTROLYTIC
C4: HITACHI FX22L122Y 1200μF, 550V ELECTROLYTIC
OR: CORNELL DUBILIER DCMC192T550CE2B 1900μF, 550V ELECTROLYTIC
D1, D2: VISHAY GURB5H60 600V, 5A ULTRAFAST RECTIFIER
M1, M2: 2 PARALLEL VISHAY SUP33N20-60P 200V, 33A NMOS
R1 THRU R4, R6 THRU R11: USE 1% 0805 RESISTORS
R5: USE 2 PARALLEL 5mΩ IRC LR SERIES 2512 RESISTORS
T1: COILCRAFT GA3460-BL 50A SURACE MOUNT TRANSFORMER
DANGER HIGH VOLTAGE! OPERATION BY HIGH VOLTAGE TRAINED PERSONNEL ONLY
FOR ANY VOUT VOLTAGE BETWEEN
50V AND 500V SELECT R9 ACCORDING TO:
4.7nF
Y-RATED
* M1, M2 REQUIRES PROPER
HEATSINK/THERMAL DISSIPATION
TO MEET MANUFACTURER’S SPECIFICATIONS
** THERMAL DISSIPATION OF T1 WILL LIMIT
THE CHARGE/DISCHARGE DUTY CYCLE OF C4
*** D2 MAY BE OMITTED FOR OUTPUT
VOLTAGE OPERATION BELOW 300V
Efciency
Output Capacitor Charge Times
Charging Waveform
OUTPUT VOLTAGE (V)
50
EFFICIENCY
(%)
85
80
75
70
65
450
3751 TA02b
250
350
150
VTRANS = 12V
VTRANS = 24V
OUTPUT CAPACITANCE (μF)
200
CHARGE
TIME
(ms)
1200
800
400
0
1000
3751 TA02c
1200
800
600
400
VOUT = 500V, VTRANS = 24V
VOUT = 500V, VTRANS = 12V
VOUT = 300V, VTRANS = 24V
VOUT = 300V, VTRANS = 12V
VOUT = 100V,
VTRANS = 24V
VOUT = 100V,
VTRANS = 12V
100ms/DIV
3751 TA02d
VOUT = 500V
VTRANS = 24V
C4 = 1200μF
AVERAGE
INPUT
CURRENT
5A/DIV
VOUT
100V/DIV
RN
k
VV
OUT
DIODE
90 98
40 2
=
+
.
.
Ω
相關(guān)PDF資料
PDF描述
LT3751IUFD#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
LT3751EFE 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
LT3751EUFD#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
LT3751EUFD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
LT3751IFE#TRPBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT3751IUFD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Capacitor Charger Controller with Regulation
LT3754 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Channel 50mA LED
LT3754EUH#PBF 功能描述:IC LED DRIVER AUTOMOTIVE 32QFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
LT3754EUH#TRPBF 功能描述:IC LED DVR 16CH 50MA 32QFN RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
LT3754EUHPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Channel × 50mA LED Driver
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