- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄44987 > LT3782IFE#TR (LINEAR TECHNOLOGY CORP) 4 A SWITCHING CONTROLLER, 533 kHz SWITCHING FREQ-MAX, PDSO28 PDF資料下載
參數(shù)資料
| 型號： | LT3782IFE#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 4 A SWITCHING CONTROLLER, 533 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | 4.40 MM, PLASTIC, TSSOP-28 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 223K |
| 代理商： | LT3782IFE#TR |
LT3782
3
3782fg
The ● denotes the specications which apply over the full operating junction
temperature range, otherwise specications are at TA = 25°C. VCC = 13V, RSET = 80k, no load on any outputs, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Overall
Supply Voltage (VCC)
l
640
V
Supply Current (IVCC)VC ≤ 0.5V (Switching Off), VCC ≤ 40V
11
16
mA
Shutdown
RUN Threshold
l
2.3
2.45
2.6
V
RUN Threshold Hysteresis
80
mV
Supply Current in Shutdown
1V ≤ RUN ≤ VREF, VCC ≤ 30V
RUN ≤ 0.3V, VCC ≤ 30V
0.4
40
0.65
90
mA
μA
RUN Pin Input Current
VRUN = 2.3V
l
–0.5
–2
μA
Voltage Amplier gm
Reference Voltage (VREF)
l
2.42
2.4
2.44
2.464
2.488
V
Transconductance
VVC = 1V, ΔIVC = ±2μA
l
200
260
370
μmho
Input Current IFB
VFB = VREF
l
0.2
0.6
μA
VC High
IVC = 0
1.5
V
VC Low
IVC = 0
0.35
0.4
V
Source Current IVC
VVC = 0.7V – 1V, VFB = VREF – 100mV
8
11
14
μA
Sink Current IVC
VVC = 0.7V – 1V, VFB = VREF + 100mV
13
20
28
μA
VC Threshold for Switching Off (BGATE1, BGATE2 Low)
l
0.3
V
Soft-Start Current ISS
VSS = 0.1V – 2.8V
6
10
15
μA
Current Amplier CA1, CA2
Voltage Gain ΔVC /ΔVSENSE
4
Current Limit (VSENSE1+ – VSENSE1–) (VSENSE2+ – VSENSE2–)
506280
mV
Input Current (ISENSE1+, ISENSE1–, ISENSE2+, ISENSE2–)ΔVSENSE = 0V
60
μA
Oscillator
Switching Frequency
RSET = 130k
RSET = 80k
RSET = 40k
l
130
212
386
154
250
465
177
288
533
kHz
Synchronization Pulse Threshold on SYNC Pin
Rising Edge VSYNC
0.8
1.2
2
V
Synchronization Frequency Range
(Note: Operation Switching Frequency Equals
Half of the Synchronization Frequency)
RSET = 130k
RSET = 80k
RSET = 40k
180
290
550
240
392
715
kHz
VRSET
RSET = 80k
2.3
V
Maximum Duty Cycle
VFB = VREF – 25mV, RSET > 80k
RSET = 40k
l
90
83
94
90
%
Duty Cycle Limit
RSET = 80k, VDCL ≤ 0.3V
VDCL = 1.2V
VDCL = VRSET
50
75
Max Duty Cycle
%
DCL Pin Input Current
VDCL ≤ 0.3V
l
–0.1
–0.3
μA
ELECTRICAL CHARACTERISTICS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT3782IFE | 4 A SWITCHING CONTROLLER, 533 kHz SWITCHING FREQ-MAX, PDSO28 |
| LT3837IFE#PBF | SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3837IFE#TRPBF | SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3845AMPFE#TRPBF | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| LT3845AIFE#TRPBF | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3782IFE-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:2-Phase Step-UP DC/DC Controller |
| LT3791 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:60V 4-Switch Synchronous |
| LT3791-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:40VIN LED Converter with Internal PWM Generator Wide VIN Range: 4.5V to 40V |
| LT3791EFE#PBF | 功能描述:IC LED DRVR CONTROL 38TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:True Color PWM™ 標準包裝:60 系列:- 恒定電流:- 恒定電壓:- 拓撲:線性（LDO），PWM，升壓（升壓） 輸出數(shù):8 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:RGB，白色 LED 頻率:500kHz ~ 1.5MHz 電源電壓:4.75 V ~ 26 V 輸出電壓:45V 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:* 工作溫度:-40°C ~ 85°C |
| LT3791EFE#TRPBF | 功能描述:IC LED DRVR CONTROL 38TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:True Color PWM™ 標準包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓撲: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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。