參數(shù)資料
型號(hào)： MAX797HESE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power
中文描述： SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16
封裝： SO-16
文件頁(yè)數(shù)： 2/32頁(yè)
文件大?。?/td> 319K
代理商： MAX797HESE
M
S tep-Down Controllers with
S ync hronous Rec tifier for CPU Power
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to GND.................................................................-0.3V, +36V
GND to PGND........................................................................±2V
VL to GND ...................................................................-0.3V, +7V
BST to GND...............................................................-0.3V, +36V
DH to LX...........................................................-0.3V, BST + 0.3V
LX to BST.....................................................................-7V, +0.3V
SHDN to GND............................................................-0.3V, +36V
SYNC, SS, REF, FB, SECFB, SKIP, DL to GND..-0.3V, VL + 0.3V
CSH, CSL to GND .......................................................-0.3V, +7V
VL Short Circuit to GND..............................................Momentary
REF Short Circuit to GND...........................................Continuous
ELECTRICAL CHARACTERISTICS
(V+ = 15V, GND = PGND = 0V, IVL = IREF = 0A, T
A
= 0°C to +70°C for MAX79_C, T
A
= 0°C to +85°C for MAX79_E,
T
A
= -55°C to +125°C for MAX79_M, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VL Output Current...............................................................50mA
Continuous Power Dissipation (T
A
= +70°C)
SO (derate 8.70mW/°C above +70°C)........................696mW
Plastic DIP (derate 10.53mW/°C above +70°C) .........842mW
CERDIP (derate 10.00mW/°C above +70°C)..............800mW
Operating Temperature Ranges
MAX79_C_ _ ......................................................0°C to +70°C
MAX79_E_ _....................................................-40°C to +85°C
MAX79_MJ E .................................................-55°C to +125°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Rising edge, hysteresis = 25mV
Rising edge, hysteresis = 15mV
SHDN = 2V, 0mA < I
VL
< 25mA, 5.5V < V+ < 30V
Falling edge, hysteresis = 20mV (MAX799)
CSH-CSL, negative
CSH-CSL, positive
Falling edge, hysteresis = 15mV (MAX796)
6V < V+ < 30V
25mV < (CSH-CSL) < 80mV
0mV < (CSH-CSL) < 80mV, FB = VL, 6V < V+ < 30V,
includes line and load regulation
External resistor divider
(CSH-CSL) = 0V
0mV < (CSH-CSL) < 80mV
CONDITIONS
V
4.2
4.7
VL/CSL Switchover Voltage
V
3.8
4.1
VL Fault Lockout Voltage
V
4.7
5.3
VL Output Voltage
-0.05
0
0.05
V
2.45
2.505
2.55
SECFB Regulation Setpoint
mA
2.0
SS Fault Sink Current
FLYBACK/PWM CONTROLLER
μA
2.5
4.0
6.5
SS Source Current
5.0
30
V
4.5
30
Input Supply Range
-50
-100
-160
mV
80
100
120
Current-Limit Voltage
%/V
0.04
0.06
Line Regulation
1.5
V
4.85
5.10
5.25
5V Output Voltage (CSL)
V
REF
6
Nominal Adjustable Output
Voltage Range
V
2.43
2.505
2.5
2.57
Feedback Voltage
%
Load Regulation
UNITS
MIN
TYP
MAX
PARAMETER
MAX79_C
MAX79_E/M
0mV < (CSH-CSL) < 80mV, FB = 0V, 4.5V < V+ < 30V,
includes line and load regulation
V
3.20
3.35
3.46
3.3V Output Voltage (CSL)
+3.3V AND +5V STEP-DOWN CONTROLLERS
INTERNAL REGULATOR AND REFERENCE
相關(guān)PDF資料
PDF描述
MAX799MJE Step-Down Controllers with Synchronous Rectifier for CPU Power
MAX802 3.0V/3.3V Microprocessor Supervisory Circuits(具有看門(mén)狗和支持備用電池,高精度復(fù)位器)
MAX805 3.0V/3.3V Microprocessor Supervisory Circuits(具有看門(mén)狗和支持備用電池的復(fù)位器(高電壓復(fù)位))
MAX704 3.0V/3.3V Microprocessor Supervisory Circuits(支持備用電池復(fù)位器,復(fù)位門(mén)限4.40V)
MAX804 3.0V/3.3V Microprocessor Supervisory Circuits(具有看門(mén)狗和支持備用電池,3V高精度復(fù)位器(高電壓復(fù)位))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX797HESE+ 功能描述:DC/DC 開(kāi)關(guān)控制器 Step-Down Controller for CPU Power RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX797HESE+T 功能描述:DC/DC 開(kāi)關(guān)控制器 Step-Down Controller for CPU Power RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX797HESE-T 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX797MJE 功能描述:DC/DC 開(kāi)關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX797MSA/PR 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*