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参数资料
| 型号： | SP7663ER-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 26DFN |
| 标准包装： | 3,000 |
| 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： | 可调至 0.8V |
| 输入电压： | 5 V ~ 22 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 600kHz |
| 电流 - 输出： | 6A |
| 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： | 带卷 (TR) |
| 供应商设备封装： | 26-DFN（7x4） |
S P 7 6 6 3
P o w e r b l o x T M
6 A 6 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
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.
OPERATING RATINGS
Input Voltage Range V CC .............................. 4.5V to 5.5V
Input Voltage Range V IN .................................. 3V to 22V
Junction Temperature Range ....................-40°C to 125°C
Thermal Resistance θ JC ........................................ 5°C/W
Thermal Resistance θ JA ...................................... 36°C/W
V CC ...................................................................... 7.0V
V IN ........................................................................ 25V
BST ...................................................................... 30V
LX-BST..................................................... -0.3V to 7.0V
LX ............................................................... -1V to 30V
All other pins ................................... -0.3V to (V CC +0.3)V
Storage Temperature .............................. -65°C to 150°C
Power Dissipation .....................Internally Limited via OTP
Lead Temperature (Soldering, 10 sec).................... 300°C
ESD Rating (HBM - Human Body Model) ..........................
LX, VINP, PGND................................................... 400V
All other pins ....................................................... 2kV
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T J = 25°C only; limits applying over the full
Operating Junction Temperature range are denoted by a “?”. Minimum and Maximum limits are guaranteed through test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T J = 25°C, and are provided for
reference purposes only. Unless otherwise indicated, 4.5V < V CC < 5.5V, 3V < V IN < 22V, UVIN = 3V, C VCC = 1μF, C COMP =
0.1μF, C SS = 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
20
0.4
6
mA
mA
mA
mA
?
?
V FB = 0.9V
V FB = 0.9V
Protection: UVLO
V CC UVLO Start Threshold
V CC UVLO Hysteresis
UV IN Start Threshold
UV IN Hysteresis
UV IN Input Current
4.00
100
2.30
200
4.25
200
2.50
300
4.5
300
2.65
400
150
V
mV
V
mV
μA
?
?
?
?
?
UV IN =3.0V
Error Amplifier Reference
Error Amplifier Reference
Error Amplifier Reference Over
Line
0.792
0.784
0.800
0.800
0.808
0.816
V
V
?
2X Gain Config., Measure V FB ; V CC =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
μA
μA
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
? 2012 Exar Corporation
-2.0
2/18
mV/°C
Rev. 2.2.0
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