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)： 15/38頁(yè)
文件大小： 1427K
代理商： MAX1537A
M
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
______________________________________________________________________________________
15
Pin Description (continued)
PIN
MAX1533A
MAX1537A
NAME
FUNCTION
25
27
CSL5
Negative Current-Sense Input for 5V SMPS. Connect to the negative terminal of the
current-sense element. Figure 9 describes two different current-sensing options.
CSL5 also serves as the bootstrap input for LDO5.
26
28
CSH5
Positive Current-Sense Input for 5V SMPS. Connect to the positive terminal of the
current-sense element. Figure 9 describes two different current-sensing options.
27
29
IN
Input of the Startup Circuitry and the LDO5 Internal 5V Linear Regulator. Bypass to
PGND with 0.22μF close to the IC.
28
30
LX5
Inductor Connection for 5V SMPS. Connect LX5 to the switched side of the inductor.
LX5 serves as the lower supply rail for the DH5 high-side gate driver.
29
31
BST5
Boost Flying-Capacitor Connection for 5V SMPS. Connect to an external capacitor
and diode as shown in Figure 6. An optional resistor in series with BST5 allows the
DH5 pullup current to be adjusted.
30
32
DH5
High-Side Gate-Driver Output for 5V SMPS. DH5 swings from LX5 to BST5.
31
33
SKIP
Pulse-Skipping Control Input. Connect to V
CC
for low-noise forced-PWM mode.
Connect to GND for high-efficiency pulse-skipping mode at light loads.
Shutdown Control Input. The device enters its 5μA supply-current shutdown mode if
V
SHDN
is less than the
SHDN
input falling-edge trip level and does not restart until
V
SHDN
is greater than the
SHDN
input rising-edge trip level. Connect
SHDN
to V
IN
for
automatic startup.
SHDN
can be connected to V
IN
through a resistive voltage-divider
to implement a programmable undervoltage lockout.
Supply Voltage Input for the Auxiliary LDOA Linear Regulator. INA is clamped with an
internal shunt to 26V.
Adjustable (12V Nominal) 150mA Auxiliary Linear-Regulator Output. Input supply
comes from INA. Bypass LDOA to GND with 2.2μF (min) (1μF/20mA). Secondary
feedback threshold is set at INA - LDOA = 0.8V, and triggers the DL5 on the 5V
SMPS only. ONA high enables regulator output and secondary regulation. PGOOD is
not affected by the state of LDOA.
32
34
SHDN
—
35
INA
—
36
LDOA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1537AETX+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1537ETX 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
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
MAX1537EVKIT 制造商:Maxim Integrated Products 功能描述:MAIN POWER SUPPLY CONTROLLER FOR NOTEBOOK - Bulk
MAX1538ETI 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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