- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄367413 > L4985D Voltage-Mode SMPS Controller PDF資料下載
參數(shù)資料
| 型號(hào)： | L4985D |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Voltage-Mode SMPS Controller |
| 中文描述： | 電壓模式開關(guān)電源控制器 |
| 文件頁數(shù)： | 5/23頁 |
| 文件大?。?/td> | 415K |
| 代理商： | L4985D |
ELECTRICALCHARACTERISTICS
(V
17
= 12V; T
j
= 25
°
C; C
osc
= 560pF;unlessotherwisespecified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
AUXILIARY OUTPUT SECTION
V
11
- V
10
Dropout Voltage
I
O2
= 0.5A
I
O2
= 0.5A; 0
≤
T
j
≤
125
°
C
0.5
0.8
1.7
1.28
0.8
1.3
2.2
1.316
V
V
A
V
I
11
V
12
Maximum LimitingCurrent
Internal Reference Voltage
1.2
1.244
V
O2
= 24V; I
O2
= 50mA
RESET FUNCTION
V
1
I
20
V
dH
V
dL
V
tr
Output Saturation Voltage
Delay Source Current
Delay High Level Threshold Vol.
Delay Low Level Threshold Vol.
Rising Threshold Voltage
I
1
= 10mA
0.4
12
V
μ
A
V
V
V
6
9
2.5
0.4
V
REF
-70mV
V
REF
-210mV
V
tf
Falling Threshold Voltage
V
I
1
Leakage Current
50
μ
A
SOFT START
I
14
V
14
Soft Start Source Current
Output Saturation Voltage
45
55
0.5
65
μ
A
V
I
SINK
= 3mA
DISABLE (1&2) FUNCTION
V
HL
High Level Voltage
V
LL
Low Level Voltage
I
SINK H
I
SINK
High Level
I
SINK L
I
SINK
Low Level
3
V
V
μ
A
μ
A
0.9
90
10
1
DC CHARACTERISTICS
I
17
Total Quiescent Current
V
19
= 1.5V V
17
= 20V
DIS1 = DIS2 = HIGH
V
17
= 20V;
DIS 1 = LOW; DIS2
V
11
= 40V;
DIS 2 = LOW
V
17
= 20V; V
19
= 1.5V
DIS 2 = LOW DIS1 = HIGH
DIS 1 = LOW DIS2
3.5
7
mA
I
4
Output Leakage Current
10
80
μ
A
I
11
Auxiliary Output Leakage
Current
Quiescent Current
20
100
μ
A
I
17
3
70
5
150
mA
μ
A
ERRORAMPLIFIER
V
OH
V
OL
G
v
I
b
G
DC
High Level Output Voltage
Low Level Output Voltage
Unit Gain Bandwith
Input Bias Current
DC Open Loop Gain
I
13
= 0.5mA; V
19
= 1.2V
I
13
= 1mA; V
19
= 1.35V
2.4
2.8
0.15
1.5
0.5
80
V
V
0.3
MHz
μ
A
dB
2
OSCILLATOR SECTION
V
18
V
18
I
sink
I
SOURCE
Ramp Valley
Ramp Peak
Sink Current
Source Current
0.5
1.9
0.63
2
3.2
60
0.76
2.1
V
V
mA
μ
A
L4985
5/23
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| L4987CXX87 | 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 |
|---|---|
| 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?。?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) |
| L4987CPT33TR | 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)。