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参数资料
| 型号： | A8284SLB |
| 元件分类： | 稳压器 |
| 英文描述： | 0.73 A SWITCHING REGULATOR, 384 kHz SWITCHING FREQ-MAX, PDSO22 |
| 封装： | POWER, SOIC-24 |
| 文件页数： | 3/8页 |
| 文件大小： | 156K |
| 代理商： | A8284SLB |
8284
TWO-OUTPUT LNB SUPPLY AND
CONTROL-VOLTAGE REGULATOR
www.allegromicro.com
3
ELECTRICAL CHARACTERISTICS at T
A = 25°C, OSEL = H for LNBB, OSEL = L for LNBA (each
output tested separately), ENT = L, EN = H, LLC = L, V
IN = 24 V, IO = 50 mA (unless otherwise
noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage
V
IN
I
O = 600 mA, VSEL0 = L, VSEL1 = L, LLC = L
— 3.3 +
V
BUCK
47V
Output Voltage
V
O
I
O = 600 mA, VSEL0 = L, VSEL1 = L, LLC = L
12.5
13
13.5
V
I
O = 600 mA, VSEL0 = L, VSEL1 = L, LLC = H
13.41414
.6
V
I
O = 600 mA, VSEL0 = L, VSEL1 = H, LLC = L
17.3
18
18.7
V
I
O = 600 mA, VSEL0 = L, VSEL1 = H, LLC = H
18.2
19
19.8
V
I
O = 600 mA, VSEL0 = H, VSEL1 = L, LLC = L
11.5
12
12.5
V
I
O = 600 mA, VSEL0 = H, VSEL1 = L, LLC = H
12.5
13
13.5
V
I
O = 600 mA, VSEL0 = H, VSEL1 = H, LLC = L
19.2
20
20.8
V
I
O = 600 mA, VSEL0 = H, VSEL1 = H, LLC = H
20.2
21
21.8
V
Line Regulation
V
O
V
O = 13 V, VI = 16 to 40 V
—
4.0
40
mV
V
O = 18 V, VI = 21 to 40 V
—
4.0
40
mV
Load Regulation
V
O
V
O = 13 or 18 V, IO = 50 to 600 mA
—
80
180
mV
Current-Limiting Threshold
V
OM(th)
125
135
145
mV
Tone Frequency
f
tone
ENT = H
20
22
24kHz
Tone Amplitude
V
tone(PP)
ENT = H
550
680
800
mV
Tone Duty Cycle
dc
tone
ENT = H
40
50
60
%
Tone Rise or Fall Time
t
r, tf
ENT = H
5.0
10
15
s
External Modulation Gain
G
mod
V
O/Vmod, f = 10 Hz to 40 kHz
—
5.0
—
V/V
External Modulation
V
mod(PP)
AC coupling
—
160
mV
Input Voltage
External Modulation
Z
mod
f = 10 Hz to 40 kHz
—
5.0
—
k
Impedance
continued next page ...
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A8285 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:LNB Supply and Control Voltage Regulator |
| A8285SLB | 功能描述:IC REG LNB SUPPLY/CTRL 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| A8285SLB-T | 制造商:Allegro MicroSystems LLC 功能描述: |
| A8285SLBTR | 功能描述:IC REG LNB SUPPLY/CTRL 16-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| A8285SLBTR-T | 功能描述:IC LNB SUPPLY/VOLTAGE REG 16SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:2,000 系列:- 应用:控制器，DSP 输入电压:4.5 V ~ 25 V 输出数:2 输出电压:最低可调至 1.2V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:30-TFSOP（0.173"，4.40mm 宽） 供应商设备封装:30-TSSOP 包装:带卷 (TR) |
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