參數(shù)資料
型號(hào)： MAX797HESE
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 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)： 4/32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
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, GND = PGND = 0V, IVL= IREF= 0A, T
A
= -40°C to +85°C for MAX79_E, unless otherwise noted.) (Note 3)
Note 3:
All -40°C to +85°C specifications above are guaranteed by design.
External resistor divider
0mV < (CSH - CSL) < 80mV, FB = VL, 4.5V < V+ < 30V,
includes line and load regulation
0mV < (CSH - CSL) < 80mV, FB = VL, 6V < V+ < 30V,
includes line and load regulation
CONDITIONS
V
REF
6.0
Nominal Adjustable Output
Voltage Range
V
3.10
3.35
3.56
3.3V Output Voltage (CSL)
V
5.0
30
Input Supply Range
V
4.70
5.10
5.40
5V Output Voltage (CSL)
UNITS
MIN
TYP
MAX
PARAMETER
CSH - CSL, negative
(CSH-CSL) = 0V
6V < V+ < 30V
CSH - CSL, positive
-40
-100
-160
Current-Limit Voltage
V
2.40
2.60
0.06
130
Feedback Voltage
Line Regulation
%/V
0.04
mV
70
FB = CSH = CSL = 6V, VL switched over to CSL
SHDN
= 0V, V+ = 30V, CSL = 0V or 6V
Rising edge, hysteresis = 25mV
No external load (Note 1)
0μA < I
REF
< 100μA
μA
mW
1
10
8.4
V+ Off-State Leakage Current
Quiescent Power Consumption
OSCILLATOR AND INPUTS/OUTPUTS
μA
1
10
V+ Shutdown Current
V
V
Rising edge, hysteresis = 15mV
SHDN
= 2V, 0mA < I
VL
< 25mA, 5.5V < V+ < 30V
4.2
2.43
4.7
2.57
50
VL/CSL Switchover Voltage
Reference Output Voltage
Reference Load Regulation
2.505
Falling edge, hysteresis = 15mV (MAX796)
Falling edge, hysteresis = 20mV (MAX799)
mV
V
3.75
4.05
VL Fault Lockout Voltage
V
4.7
5.3
VL Output Voltage
2.40
-0.08
2.60
0.08
V
SECFB Regulation Setpoint
SYNC = REF
SYNC = 0V or 5V
SYNC = 0V or 5V
89
93
91
96
kHz
210
320
Oscillator Sync Range
kHz
SYNC = REF
120
250
250
150
180
Oscillator Frequency
ns
ns
SYNC High Pulse Width
SYNC Low Pulse Width
250
300
350
4.8
High or low, BST - LX = 4.5V
High or low
7
DH On-Resistance
7
DL On-Resistance
%
Maximum Duty Cycle
+3.3V and +5V STEP-DOWN CONTROLLERS
FLYBACK/PWM CONTROLLER
INTERNAL REGULATOR AND REFERENCE
相關(guān)PDF資料
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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
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