參數(shù)資料
型號: MAX1965TEEP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
中文描述: 0.05 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 0.150 INCH, 0.025 INCH PITCH, QSOP-20
文件頁數(shù): 11/30頁
文件大?。?/td> 475K
代理商: MAX1965TEEP
M
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
______________________________________________________________________________________
11
Detailed Description
The MAX1964/MAX1965 power-supply controllers pro-
vide system power for cable and xDSL modems. The
main step-down DC-DC controller operates in a cur-
rent-mode pulse-width-modulation (PWM) control
scheme to ease compensation requirements and pro-
vide excellent load and line transient response.
The MAX1964 includes two analog gain blocks to regu-
late two additional positive auxiliary output voltages,
and the MAX1965 includes four analog gain blocks to
regulate three additional positive and one negative aux-
iliary output voltages. The positive regulator gain blocks
can be used to generate low voltage rails directly from
the main step-down converter or higher voltages using
coupled windings from the step-down converter. The
Figure 1. MAX1964 Standard Application Circuit
BST
C1
1
μ
F
D1
CENTRAL CMPSH-3
C2
1
μ
F
N
H
N
L
C
BST
0.1
μ
F
R
POK
100k
C
COMP1
C
COMP2
C
OUT
1000
μ
F
C
IN
470
μ
F
DH
LX
V
OUT1
5V AT 1A
INPUT
9V TO 18V
DL
OUT
GND
TO LOGIC
IN
VL
ILIM
POK
COMP
MAX1964
FB
R
COMP
5M
R
GATE(NH)
10
L1
33
μ
H
R
GATE(NL)
R
BE2
220
R3
4.64k
C3
1
μ
F
Q1
TIP30
R1
30k
R2
10k
V
1.8V AT 300mA
C4
10
μ
F
R4
10k
B2
FB2
B3
FB3
C
2200pF
INTERNATIONAL
RECTIFIER
IRF7101
R
BE3
220
R5
4.99k
C5
1
μ
F
Q2
TIP32
POWER GROUND
ANALOG GROUND
C
OUT
: 1000
μ
F, 10V SANYO (CZ SERIES)
V
3.3V AT 750mA
C6
10
μ
F
R4
3.0k
C
1000pF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1965TEEP-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
MAX1966ESA 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1966ESA+ 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1966ESA+T 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Step-Down RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX1966ESA-T 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel