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参数资料
| 型号： | SP7661EB |
| 厂商： | Exar Corporation |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR SP7661 |
| 标准包装： | 1 |
| 系列： | * |
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
CONTROL LOOP: PWM COMPARATOR, RAMP & LOOP DELAY PATH
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
150
180
ns
?
Maximum Controllable
Duty Ratio
92
97
%
?
Maximum Duty Ratio
00
%
?
Valid for 20 cycles
Internal Oscillator Ratio
510
600
690
kH Z
?
TIMERS: SOFTSTART
SS Charge Current:
- 6
- 0
-4.0
μ A
?
SS Discharge Current:
1.0
2.0
3.0
mA
?
Fault Present,
SS=0.2V
PROTECTION: SHORT CIRCUIT, OVERCURRENT & THERMAL
Short Circuit Threshold
Voltage
0.2
0.25
0.3
V
?
Hiccup Timeout
Overcurrent Threshold
Voltage
90
54
0
60
30
66
ms
mV
?
V FB =0.5V
Measured ISP - ISN
ISP, ISN Common Mode
Range
0
3.6
V
Thermal Shutdown
Temperature
135
145
155
°C
Guaranteed by design
Thermal Recovery
Temperature
Thermal Hysteresis
OUTPUT: POWER STAGE
135
0
°C
°C
High Side Switch R DSON
Synchronous Low Side
Switch R DSON
Maximum Output
Current
3
35
35
75
75
m?
m?
A
?
V GS =4.5V;
I DRAIN =4.1A;
T AMB =25°C
V GS =4.5V;
I DRAIN =4.1A;
T AMB =25°C
Mar -07 Rev N
SP766 Wide Input Voltage Range 3A, 600kHz Buck Regulator
3
? 2007 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SP7661ER | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP7661ER/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 | 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 |
| 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 |
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