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| 型号： | SP7656EN2-L |
| 厂商： | Exar Corporation |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 3A 8HNSOIC |
| 标准包装： | 98 |
| 系列： | Power Blox™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 28 V |
| 输入电压： | 4.5 V ~ 29 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 包装： | 管件 |
| 供应商设备封装： | 8-HSOICN |
| 其它名称： | 1016-1443 SP7656EN2-L-ND |
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the
operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
PVIN ….................................. ............................ -0.3V to 30V
SVIN…………………………………………..….. -0.3V to 30V
Lx………………………… . ……………………….… -2V to 30V
ISET…………………………… . …………………… -2V to 30V
FB…………….............................. ....................-0.3V to 5.5V
Storage Temperature..…… . ……………..… -65 ? C to 150 ? C
Junction Temperature..................................-40 ? C to 125 ? C
Lead Temperature (Soldering, 10 sec)...... …………..300 ? C
ELECTRICAL SPECIFICATIONS
Specifications are for T AMB =T J =25 ? C, and those denoted by ? apply over the full operating range, -40 ? C< T j <85 ? C.
Unless otherwise specified: V IN =4.5V to 29V, C IN = 4.7 ? F.
PARAMETER
UVLO Turn-On Threshold
UVLO Turn-Off Threshold
MIN
4.2
4.0
TYP
4.35
4.15
MAX
4.5
4.3
UNITS
V
V
?
CONDITIONS
0 ? C< T j <85 ? C
0 ? C< T j <85 ? C
UVLO Hysteresis
0.2
V
Operating Input Voltage
Range
Operating Input Voltage
Range
Operating VCC Current
4.5
7
0.3
29
29
3
V
V
mA
?
0 ? C< T j <85 ? C
VFB=1.2V
Reference Voltage Accuracy
0.5
%
Reference Voltage Accuracy
Reference Voltage
0.5
0.6
2
%
V
?
Reference Voltage
Switching Frequency
Minimum ON-Pulse Duration
0.588
510
0.6
600
40
0.612
690
100
V
kHz
ns
?
?
Minimum Duty Cycle
0
%
Maximum Duty Cycle
100
%
*See Duty Cycle restriction- applications section
SVIN - VDR voltage difference
4.5
5.5
V
?
Measure SVIN – VDR, SVIN>7V
Overcurrent Threshold
ISET pin Input Current
270
25
300
30
330
35
mV
μA
Measure SVIN - ISET
V ISET = SVIN
OFF interval during hiccup
100
ms
Soft start time
SHDN Threshold
3
0.8
5
1.0
9
1.2
ms
V
?
VFB=0.58V, measure between VIN=4.5V
and first GATE pulse
Apply voltage to FB
SHDN Threshold Hysteresis
P-Channel FET ON
Resistance
P-Channel FET Source
leakage
11/07/08 SP7656 PowerBlox
100
60
3
5
mV
m ?
μA
? Copyright 2008 EXAR Corporation
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP7656EN2-L/TR | 功能描述:开关变换器、稳压器与控制器 600KHZ HIGH INPUT NON-SYNC STEP DWN RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SP7661 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7661_07 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Wide Input Voltage Range 3A, 600kHz, Buck Regulator |
| SP7661_1 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7661EB | 功能描述:电源管理IC开发工具 Eval Board for SP7661 Series RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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