參數(shù)資料
型號(hào)： MAX1537A
廠商： Maxim Integrated Products, Inc.
英文描述： High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
中文描述： 高效率、5路輸出、主電源控制器，用于筆記本電腦
文件頁(yè)數(shù)： 2/38頁(yè)
文件大?。?/td> 1427K
代理商： MAX1537A
M
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
, INA, LDOA to GND...............................-0.3V to +30V
GND to PGND .......................................................-0.3V to +0.3V
LDO5, LDO3, V
CC
to GND.......................................-0.3V to +6V
ILIM3, ILIM5, PGDLY to GND...................................-0.3V to +6V
CSL3, CSH3, CSL5, CSH5 to GND..........................-0.3V to +6V
ON3, ON5, FB3, FB5 to GND ..................................-0.3V to +6V
SKIP
,
OVP
,
UVP
to GND...........................................-0.3V to +6V
PGOOD, FSEL, ADJA, ONA to GND........................-0.3V to +6V
REF to GND................................................-0.3V to (V
CC
+ 0.3V)
DL3, DL5 to PGND..................................-0.3V to (V
LDO5
+ 0.3V)
BST3, BST5 to PGND.............................................-0.3V to +36V
LX3 to BST3..............................................................-6V to +0.3V
DH3 to LX3 ..............................................-0.3V to (V
BST3
+ 0.3V)
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
IN
= 12V, both SMPS enabled, V
CC
= 5V, FSEL = REF,
SKIP
= GND, V
ILIM_
= V
LDO5
, V
INA
= 15V, V
LDOA
= 12V,
I
LDO5
= I
LDO3
= I
LDOA
= no load,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
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.
LX5 to BST5..............................................................-6V to +0.3V
DH5 to LX5 ..............................................-0.3V to (V
BST5
+ 0.3V)
LDO3, LDO5 Short Circuit to GND.............................Momentary
REF Short Circuit to GND...........................................Momentary
INA Shunt Current.............................................................+15mA
Continuous Power Dissipation (T
A
= +70°C)
32-Pin TQFN (derate 21.3mW/°C above +70°C) .......1702mW
36-Pin TQFN (derate 26.3mW/°C above +70°C) .......2105mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
(Note 1)
LDO5 in regulation
IN = LDO5, V
OUT5
< 4.43V
LDO5 switched over to CSL5
6
26
5.5
35
V
IN
Input Voltage Range
V
IN
4.5
V
V
IN
Operating Supply Current
I
IN
15
μA
V
IN
Standby Supply Current
I
IN(STBY)
V
IN
= 6V to 26V, both SMPS off,
includes I
SHDN
V
IN
= 6V to 26V,
SHDN
= GND
100
170
μA
V
IN
Shutdown Supply Current
I
IN(SHDN)
5
17
μA
Quiescent Power Consumption
P
Q
Both SMPS on, FB3 = FB5 =
SKIP
= GND,
V
CSL3
= 3.5V, V
CSL5
= 5.3V, V
INA
= 15V,
I
LDOA
= 0, P
IN
+ P
CSL3
+ P
CSL5
+ P
INA
3.5
4.5
mW
V
CC
Quiescent Supply Current
I
CC
Both SMPS on, FB3 = FB5 = GND,
V
CSL3
= 3.5V, V
CSL5
= 5.3V
1.1
2.1
mA
MAIN SMPS CONTROLLERS
3.3V Output Voltage in Fixed
Mode
V
OUT3
V
IN
= 6V to 26V,
SKIP
= V
CC
(Note 2)
3.280
3.33
3.380
V
5V Output Voltage in Fixed Mode
V
OUT5
V
IN
= 6V to 26V,
SKIP
= V
CC
(Note 2)
V
IN
= 6V to 26V, FB3 or FB5,
duty factor = 20% to 80% (Note 2)
4.975
5.05
5.125
V
Feedback Voltage in Adjustable
Mode
V
FB_
0.990
1.005
1.020
V
Output-Voltage Adjust Range
FB3, FB5 Dual-Mode Threshold
Feedback Input Leakage Current
Either SMPS
1.0
0.1
-0.1
5.5
0.2
+0.1
V
V
V
FB3
= V
FB5
= 1.1V
Either SMPS,
SKIP
= V
CC
,
I
LOAD
= 0 to full load
μA
DC Load Regulation
-0.1
%
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MAX1537ETX-T 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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