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參數(shù)資料
| 型號： | MAX1762EUB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Replaced by TMS320C2802 : 16-bit, 5V fixed point DSP 132-BQFP -40 to 125 |
| 中文描述： | SWITCHING CONTROLLER, 328 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MICRO MAX PACKAGE-10 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 391K |
| 代理商： | MAX1762EUB |
M
High-Efficiency, 10-Pin μMAX, Step-Down
Controllers for Notebooks
______________________________________________________________________________________
11
VP Input and VL Logic Supply
An internal linear regulator supplied by VP produces
the +4.65V supply (VL) that powers the PWM controller,
logic, reference, and other blocks within the
MAX1762/MAX1791. This +4.65V low-dropout linear
regulator can supply up to 25mA for external loads.
Bypass VL to GND with at least a 1μF ceramic capaci-
tor. V
VP
can range between 5V and 20V. VL is turned
off when the device is in shutdown and drops by
approximately 500mV during a fault condition, such as
when the output is short circuited to ground, and recov-
ers when
SHDN
is cycled or power is reset. If VL is not
driven externally, then V
VP
should be at least 5V to
ensure operation. If V
VP
is running from a 5V (±10%)
supply, V
VP
should be externally connected to VL.
Table 2. Component Manufacturers
MANUFACTURER
USA PHONE
WEBSITE INFO
Coiltronics
561-241-7876
www.coiltronics.com
Fairchild Semiconductor
408-822-2181
www.fairchildsemi.com
Sanyo
619-661-6835
www.secc.co.jp
USA
847-956-0666
Sumida
Japan
81-3-3607-5111
www.sumida.com
Taiyo Yuden
408-573-4150
www.t-yuden.com
Figure 5. Functional Block Diagram
Q1
Q2
OUT
GND
DH
DH
DRIVER
C
OUT
VP
DL
DL
DRIVER
TON
1-SHOT
VP
TRIG
Q
ON-TIME
COMPUTE
ON/OFF
CONTROL
2V
V
REF
TIMER
C
VL
C
IN
VOS
CS
ILIM
LINEAR
REG
FEEDBACK
MUX
(FIGURE 9)
1-SHOT
T
ON
T
OFF
TRIG
VL
C
REF
REF
REF
OUT
FB
-REF
FB
VL
OUT
V
IN
VP
OUT
VP
UVP
LATCH
S
R
Q
Q
Q
S
R
Q
MAX1762
MAX1791
SHDN
10
1
μ
F
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1791EUB | High-Efficiency, 10-Pin レMAX, Step-Down Controllers for Notebooks |
| MAX1792 | 500mA Low-Dropout Linear Regulator in レMAX |
| MAX1792EUA15 | 500mA Low-Dropout Linear Regulator in レMAX |
| MAX1792EUA18 | 500mA Low-Dropout Linear Regulator in レMAX |
| MAX1792EUA25 | 500mA Low-Dropout Linear Regulator in レMAX |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1762EUB+ | 功能描述:DC/DC 開關(guān)控制器 Step-Down Controller for Notebooks 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 |
| MAX1762EUB+T | 功能描述:DC/DC 開關(guān)控制器 Step-Down Controller for Notebooks 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 |
| MAX1762EUB-T | 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 |
| MAX1763EEE | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX1763EEE+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1.5A Low-Noise 1MHz Step-Up RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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