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参数资料
| 型号： | SP7662EB |
| 厂商： | Exar Corporation |
| 文件页数： | 3/19页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR SP7662 |
| 标准包装： | 1 |
| 系列： | * |
S P 7 6 6 2
P o w e r b l o x T M
1 2 A 3 0 0 K H z S y n c h r o n o u s S t e p D o w n R e g u l a t o r
Parameter
Min.
Typ.
Max.
Units
Conditions
VCC Linear Regulator
VCC output Voltage
Dropout Voltage
4.7
4.51
250
5.0
4.73
500
5.3
750
V
mV
?
?
?
V IN =6 to 22V, I LOAD =0mA to 30mA
V IN =5V, I LOAD =20mA
V IN -V OUT =Dropout voltage when V CC
regulated drops by 2%, IV CC =30mA
Control Loop
Ramp Amplitude
RAMP Offset
0.80
1.7
1.00
2.0
1.20
2.3
V
V
?
?
Ramp offset Temperature
Coefficient
-2
mV/°C
GH Minimum Pulse Width
50
180
?
Maximum Controllable Duty
Ratio
92
97
%
?
Maximum Duty Ratio
100
%
?
Valid for 20 cycles
Oscillator Frequency
255
300
345
KHz
?
Soft-start, Short Circuit, Current Limit and Thermal Protection
SS Charge Current
-16
-10
-4
μA
?
SS Discharge Current
Short Circuit Threshold Voltage
Hiccup Timeout
Overcurrent Threshold Voltage
1.0
0.2
170
54
2.0
0.25
220
60
3.0
0.3
270
66
mA
V
ms
mV
?
?
?
Fault Present, SS=0.2V
V FB =0.5V
Measured ISP - ISN
ISP, ISN Common Mode Range
0
3.6
V
Thermal Shutdown Temperature
Thermal Hysteresis
135
145
10
155
°C
°C
Guaranteed by design
Thermal recovery on decreasing
temperature
Output Power Stage
High Side Switch RDSON
Synchronous Low Side Switch
R DSON
Maximum Output Current
? 2012 Exar Corporation
12
21
9
25
15
3/19
m ?
m ?
A
?
V GS =4.5V, I DRAIN =5A, T A =25°C
V GS =4.5V, I DRAIN =5A, T A =25°C
Rev. 2.1.0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP7662ER | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7662ER/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Wide Input Voltage Range 12A, 300kHz, Buck Regulator |
| SP7662ER-L | 功能描述:开关变换器、稳压器与控制器 Buck Regulator 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 |
| SP7662ERL/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Wide Input Voltage Range 12A, 300kHz, Buck Regulator |
| SP7662ER-L/TR | 功能描述:开关变换器、稳压器与控制器 WIDE INPUT VOLTAGE Range12A300KHz 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 |
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