參數(shù)資料
型號： L4985
文件頁數(shù)： 10/23頁
文件大小： 415K
代理商： L4985
L4985
3
2
5,6,15,16
18
C8
20
14
7
13
4
R3
R4
C7
12
11
L2
C5
V
OUT1
= 5.1V/3A
C1
Vin = 8V to 20V
D94IN166
DIS1
DIS2
R11
R10
1
R1
LED
L1
8
17
C3
L3
D2
C13
C14
R8
R9
V
OUT2
= 24V/0.2A
C9
C10
9
MOS
10
C2
D1
R2
19
R7
C12
R6
C11
(*)
APPLICATION INFORMATION
Figure25:
Dual converter evaluationboard circuit (Fig.: 26-27)
Symbol
η
Parameter
Test Condition
Value
92.0
Unit
%
Efficiency
V
in
= 14V; DIS 2 = HIGH;
I
out1
= 1A; I
out2
= 0.2A;
V
in
= 14V; DIS 2 = HIGH;
I
out1
= 3A; I
out2
= 0.2A;
V
in
= 8 to 21V; DIS 2 = HIGH
I
out1
= 0.5A; I
out2
= 20mA;
V
in
= 8 to 21V; DIS 2 = HIGH
I
out1
= 0.5 to 3A ;I
out2
= 0.2A
Vi
n
= 8 to 21V; DIS 2 = HIGH
I
out1
= 0.5A; I
out2
= 20mA;
V
in
= 8 to 21V; DIS 2 = HIGH
I
out1
= 0.5 to 3A ;I
out2
= 0.2A
91.8
%
V
out1
Line Regulation
4
mV
V
out1
Load Regulation
10
mV
V
out2
Line Regulation
50
mV
V
out2
Load Regulation
300
mV
Table 1:
Evaluation boardtest circuit results (using synchronous rectifier).
C1 = 560
μ
F / 25V NCC LXF
C2 = 10
μ
F / 50V
C3 = 330nF film
C5 = 220
μ
F / 10V SANYO OS CON
C7 = 2.2nF film
C8 = 560pF multilayer
C9 = C10 = 2.2
μ
F / 10V
C11 = 3.9nF
C12 = 5.6nF
C13 = 330
μ
F / 35V NCC LXF
C14 = 22nF
R1 = 3.3k
R2 = 4.7
R3 = 8.2k
R4 = 2.7k
R6 = 56k
R7 = 39k
R8 = 47k
R9 = 2.7k
R10 = 10k
R11 = 10k
L1 = 180
μ
H axial
L2 = 50
μ
H (Core Magnetics 58120, 27 turns,
0.8mm )
L3 = 50
μ
H (Core Magnetics 58050, 27 turns,
0.6mm )
D2 = ST BYV 10 - 40
D1 = SB540
PIN 9 = OPEN
(*) OPTIONAL:
D1 = STBYV10-40 AND
MOS = DY9410 SILICONIX
L4985
10/23
相關(guān)PDF資料
PDF描述
L4985D Voltage-Mode SMPS Controller
L4987CXX120 VERY LOW DROP VOLTAGE REGULATOS WITH INHIBIT AND DROPOUT CONTROL FLAG
L4987CXX30 VERY LOW DROP VOLTAGE REGULATOS WITH INHIBIT AND DROPOUT CONTROL FLAG
L4987CXX33 VERY LOW DROP VOLTAGE REGULATOS WITH INHIBIT AND DROPOUT CONTROL FLAG
L4987CXX50 VERY LOW DROP VOLTAGE REGULATOS WITH INHIBIT AND DROPOUT CONTROL FLAG
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L4985D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller
L4987 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT AND DROPOUT CONTROL FLAG
L4987CPT120 功能描述:IC REG LDO 12V .2A P-PAK RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最?。?420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR)
L4987CPT30 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT AND DROPOUT CONTROL FLAG
L4987CPT33 功能描述:IC REG LDO 3.3V .2A P-PAK RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標(biāo)準(zhǔn)）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最小）:420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 供應(yīng)商設(shè)備封裝:TSOT-23-5 包裝:帶卷 (TR)
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報(bào)價(jià)

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*