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参数资料
| 型号： | SP7661ER-L |
| 厂商： | Exar Corporation |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 3A 26DFN |
| 产品变化通告： | SP76(55,61)ER-L/(TR) Obsolescence 29/Jul/2011 |
| 标准包装： | 500 |
| 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： | 0.8 V ~ 20.2 V |
| 输入电压： | 4.75 V ~ 22 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 3A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 26-VFDFN 裸露焊盘 |
| 包装： | 散装 |
| 供应商设备封装： | 26-DFN（7x4） |
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.
V CC ...................................................................................................7V
V IN .................................................................................................25V
BST ................................................................................................ 30V
LX-BST ...............................................................................-0.3V to 7V
LX ........................................................................................ - V to 30V
All other pins .......................................................... -0.3V to V CC + 0.3V
Storage Temperature ................................................... -65°C to 150°C
Power Dissipation ........................................Internally Limited via OTP
Lead Temperature (Soldering, 10 sec) .......................................300°C
ESD Rating ........................................................................... 2kV HBM
Thermal Resistance θ JC ........................................................... 5°C/W
ELECTRICAL SPECIFICATIONS
Specifications are for T AMB = T J = 25°C, and those denoted by ? apply over the full operating range, -40°C< Tj< 125°C. Unless
otherwise specified: 4.5V < Vcc < 5.5V, 3V < V IN < 22V, BST = LX + 5V, UVIN = 3V, CVCC = 1 μ F, C COMP = 0.1 μ F, Css = 50nF.
PARAMETER
MIN
TYP
MAX UNITS ?
CONDITIONS
QUIESCENT CURRENT
V IN Supply Current
(No switching)
V IN Supply Current
(switching)
BST Supply Current
(No switching)
BST Supply Current
(switching)
1.5
8
0.2
3
3.0
14
0.4
6
mA
mA
mA
mA
?
?
V FB = 0.9V
V FB = 0.9V
PROTECTION: UVLO
Vcc UVLO Start Threshold 4.00
4.25
4.50
V
?
Vcc UVLO Hysteresis
UVIN Start Threshold
UVIN Hysteresis
UVIN Input Current
00
2.30
200
200
2.50
300
300
2.65
400
1.0
mV
V
mV
μ A
?
?
?
?
UVIN=3.0V
ERROR AMPLIFIER REFERENCE
Error Amplifier Reference
Error Amplifier
Reference Over Line
0.792 0.800 0.808
0.784 0.800 0.816
V
V
?
2X Gain Config., Measure
V FB ; Vcc=5V
COMP Sink Current
COMP Source Current
V FB Input Bias Current
COMP Clamp
70
-230
3.2
150
-150
50
3.5
230
-70
200
3.8
μ A
μ A
nA
V
?
?
?
V FB =0.9V, COMP=0.9V
V FB =0.9V, COMP=0.9V
V FB =0.8V
V FB =0.7V, T A =25 °C
COMP Clamp Temp.
Coefficient
VCC LINEAR REGULATOR
-2.0
mV/ °C
?
VCC Output Voltage
Dropout Voltage
4.7
4.51
250
5.0
4.73
500
5.3
750
V
mV
V IN = 6 to 23V,
I LOAD = 0mA to 30mA
? V IN = 5V, 20mA
Vin-Vout = Dropout voltage when
? Vcc regulated drops by 2%.
IVCC = 30 mA.
Mar -07 Rev N
SP766 Wide Input Voltage Range 3A, 600kHz Buck Regulator
2
? 2007 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP7661ERL/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Wide Input Voltage Range 3A, 600kHz, Buck Regulator |
| SP7661ER-L/TR | 功能描述:开关变换器、稳压器与控制器 WIDE INPUT VOLTAGE Range A600KHz 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 |
| SP7662 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7662_07 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Wide Input Voltage Range 12A, 300kHz, Buck Regulator |
| SP7662_1 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
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