參數(shù)資料
型號(hào): MAX782REBX
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Triple-Output Power-Supply Controller for Notebook Computers
中文描述: DUAL SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO36
封裝: PLASTIC, SSOP-36
文件頁(yè)數(shù): 2/32頁(yè)
文件大?。?/td> 497K
代理商: MAX782REBX
M
Triple-Output Power-S upply
Controller for Notebook Computers
2
_______________________________________________________________________________________
V+ to GND.................................................................-0.3V, +36V
PGND to GND........................................................................±2V
VL to GND ...................................................................-0.3V, +7V
BST3, BST5 to GND ..................................................-0.3V, +36V
LX3 to BST3.................................................................-7V, +0.3V
LX5 to BST5.................................................................-7V, +0.3V
Inputs/Outputs to GND
(D1-D3, ON5, REF, SYNC, DA1, DA0, DB1, DB0, ON5,
SS5, CS5, FB5, CS3, FB3, SS3, ON3) ..........-0.3V, (VL + 0.3V)
VDD to GND.................................................................-0.3V, 20V
VPPA, VPPB to GND.....................................-0.3V, (VDD + 0.3V)
VH to GND ...................................................................-0.3V, 20V
Q1-Q3 to GND.................................................-0.3V, (VH + 0.3V)
DL3, DL5 to PGND...........................................-0.3V, (VL + 0.3V)
DH3 to LX3..................................................-0.3V, (BST3 + 0.3V)
DH5 to LX5..................................................-0.3V, (BST5 + 0.3V)
REF, VL, VPP Short to GND........................................Momentary
REF Current.........................................................................20mA
VL Current...........................................................................50mA
VPPA, VPPB Current.........................................................100mA
Continuous Power Dissipation (T
= +70°C)
SSOP (derate 11.76mW/°C above +70°C) ...................941mW
Operating Temperature Ranges:
MAX782CBX/MAX782__CBX...............................0°C to +70°C
MAX782EBX/MAX782__EBX ............................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
ELECTRICAL CHARACTERISTICS
(V+ = 15V, GND = PGND = 0V, I
VL
= I
REF
= 0mA, ON3 = ON5 = 5V, other digital input levels are 0V or +5V, T
A
= T
MIN
to T
MAX
,
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.
ABSOLUTE MAXIMUM RATINGS
V
V
MAX782S
MAX782R
MAX782
FB3 Output Voltage
3.46
3.65
2
3.75
0mV < (CS3-FB3) < 70mV, 6V < V+ < 30V
(includes load and line regulation)
3.32
3.50
3.60
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Current-Limit Voltage
CS5-FB5 (VDD < 13V, flyback mode)
-50
2.5
2
-100
4.0
-160
6.5
mV
CS3-FB3 or CS5-FB5
Line Regulation
Either controller (V+ = 6V to 30V)
0.03
100
%/V
Load Regulation
Either controller (CS_ - FB_ = 0mV to 70mV)
%
SS3/SS5 Source Current
SS3/SS5 Fault Sink Current
15V FLYBACK CONTROLLER
μA
mA
VDD Regulation Setpoint
VDD Shunt Setpoint
VDD Shunt Current
Falling edge, hysteresis = 1%
Rising edge, hysteresis = 1%
VDD = 20V
VDD = 18V, ON3 = ON5 = 5V,
VPPA/B programmed to 12V with no external load
VDD = 18V, ON3 = ON5 = 5V,
VPPA/B programmed to Hi-Z or 0V
V
V
FB5 Output Voltage
4.80
5.08
5.20
V
3.17
3.35
3.46
Input Supply Range
5.5
30
V
2
3
mA
Quiescent VDD Current
140
300
μA
VDD Off Current
15
30
μA
Program to 12V, 13V < VDD < 19V, 0mA < I
L
< 60mA
Program to 5V, 13V < VDD < 19V, 0mA < I
L
< 60mA
Program to 0V, 13V < VDD < 19V, -0.3mA < I
L
< 0.3mA
Program to Hi-Z, VDD = 19V, 0V < VPP < 12V
11.6
4.85
-0.3
12.1
5.05
12.5
5.20
0.3
35
0mV < (CS5-FB5) < 70mV, 6V < V+ < 30V
(includes load and line regulation)
VPPA/VPPB Output Voltage
V
VPPA/VPPB Off Input Current
μA
18
20
13
14
80
120
+3.3V AND 5V STEP-DOWN CONTROLLERS
PCMCIA REGULATORS
(Note 1)
V
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MAX782SCBX-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
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MAX782SEBX-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
MAX783CBX 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