參數(shù)資料
型號(hào)： MAX1816
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP
中文描述： 雙路、降壓型控制器及線性穩(wěn)壓控制器，用于筆記本電腦
文件頁數(shù)： 27/49頁
文件大?。?/td> 983K
代理商： MAX1816
M
Dual Step-Down Controllers Plus Linear-
Regulator Controller for Notebook Computers
______________________________________________________________________________________
27
For loads above the critical conduction point, where the
dead-time effect is no longer a factor, the actual switch-
ing frequency is:
where V
DROP1
is the sum of the parasitic voltage drops
in the inductor discharge path, including synchronous
rectifier, inductor, and PC board resistances; V
DROP2
is
the sum of the parasitic voltage drops in the inductor
charge path, including high-side switch, inductor, and
PC board resistances; and t
ON
is the on-time calculat-
ed by the MAX1816/MAX1994.
f
V
V
V
t
V
OUT
(
DROP
ON
IN
DROP
=
+
+
1
2
)
Figure 4. BUCK1 PWM Control Diagram
S
R
Q
TOFF
ONE-SHOT
Q
Q
TRIG
ZERO CROSSING
OVP/UVP
DETECTOR
RESET
OUT
TIMER
ON/OFF
CONTROL
TON ONE-SHOT
TRIG
Q
ON-TIME
COMPUTE
GAIN-
STATE
DECODER
R-2R
DAC
DAC
AMPLIFIER
10k
ERROR
AMPLIFIER
V+
OUT1
TON1
REF
CC
PGOOD1
SKP1/SDN
DAC BITS
TO DH1 DRIVER
INPUT
TO DL1 DRIVER
INPUT
ILIM1
FBS
I_OFFSET
CS1+
CS1-
GAIN
REF - 10%
REF + 10%
10k
10k
/A
VPS
10k
/A
VPS
10k
70k
8.6R1
0.4R1
R1
FBS
GDS
GND
I_GDS
S
R
Q
∑
∑
GM
GM
OVPEN
OVPEN
相關(guān)PDF資料
PDF描述
MAX1816ETM Replaced by TMS320VC5506 : Digital Signal Processors 144-LQFP
MAX199AEWI Fixed-Point Digital Signal Processor 532-FCBGA
MAX199AMYI Circular Connector; No. of Contacts:18; Series:MS27505; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle RoHS Compliant: No
MAX199ACAI Multi-Range (【4V, 【2V, +4V, +2V), +5V Supply, 12-Bit DAS with 8+4 Bus Interface
MAX199AENI Multi-Range (【4V, 【2V, +4V, +2V), +5V Supply, 12-Bit DAS with 8+4 Bus Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1816ETM 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1816ETM+ 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1816ETM+T 功能描述:DC/DC 開關(guān)控制器 NULL RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1816ETM-T 功能描述:DC/DC 開關(guān)控制器 NULL RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(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
MAX1816XR31+ 制造商:Maxim Integrated Products 功能描述:
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