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參數(shù)資料
| 型號： | L6730 |
| 廠商： | 意法半導體 |
| 英文描述： | Adjustable step-down controller with synchronous rectification |
| 中文描述： | 可調(diào)式降壓同步整流控制器 |
| 文件頁數(shù)： | 7/52頁 |
| 文件大?。?/td> | 1370K |
| 代理商： | L6730 |
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L6730 - L6730B
Pin connections and functions
7/52
3
Pin connections and functions
Figure 2.
Pins connection (Top view)
1.
In the L6730B the multifunction pin is: CC/OVP/UVLO.
Table 3.
Pins connection
Pin n.
Name
Description
1
PGOOD DELAY
A capacitor connected between this pin and GND introduces a delay between
the internal PGOOD comparator trigger and the external signal rising edge. No
delay can be introduced on the falling edge of the PGOOD signal. The delay
can be calculated with the following formula:
(
C
PGDelay
=
5
2
SYNCH
Two or more devices can be synchronized by connecting the SYNCH pins
together. The device operating with the highest F
SW
will be the Master device.
The Slave devices will operate at 180° phase shift from the Master. The best
way to synchronize devices is to set their F
SW
at the same value. If it is not
used, the SYNCH pin can be left floating.
3
SINK/OVP/UVLO
L6730
CC/OVP/UVLO
L6730B
With this pin it is possible:
– To enable-disable the sink mode current capability after SS (L6730);
– To enable-disable the constant current OCP after SS (L6730B);
– To enable-disable the latch mode for the OVP;
– To set the UVLO threshold for the 5V BUS and 12V BUS.
The device captures the analog value present at this pin at the start-up when
V
CC
meets the UVLO threshold.
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
HTSSOP20
10
17
18
19
20
OSC
SS/INH
EAREF
FB
GND
PGOOD
PHASE
HGATE
BOOT
VCC
VCCDR
LGATE
OCL
OCH
PGND
COMP
SYNCH
PGOOD DELAY
TMASK
SINK/OVP/UVLO
)
pF
[ μ
s]
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| L6730B | Adjustable step-down controller with synchronous rectification |
| L6730BTR | Adjustable step-down controller with synchronous rectification |
| L6730TR | Adjustable step-down controller with synchronous rectification |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6730_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification |
| L6730B | 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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 安裝風格: 封裝 / 箱體:CPAK |
| L6730BTR | 功能描述:DC/DC 開關(guān)控制器 Adjustable Step Down Controller 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 安裝風格: 封裝 / 箱體:CPAK |
| L6730C | 功能描述:IC REG CTRLR BUCK PWM VM 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:100% 電源電壓:8.2 V ~ 30 V 降壓:無 升壓:無 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:0°C ~ 70°C 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 產(chǎn)品目錄頁面:1316 (CN2011-ZH PDF) |
| L6730CQ | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification |
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