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参数资料
| 型号： | SP7600EN2-L |
| 厂商： | Exar Corporation |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR PWM STP-DWN 8HNSOIC |
| 标准包装： | 98 |
| 恒定电流： | 是 |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 通用 |
| 类型 - 次要： | 白色 LED |
| 频率： | 960kHz ~ 1.44MHz |
| 电源电压： | 4.5 V ~ 29 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 供应商设备封装： | 8-SOIC-EP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
| 配用： | 1016-1233-ND - EVAL BOARD FOR SP7600 |
| 其它名称： | SP7600EN2-L-ND |
S P 7 6 0 0
2 A 2 9 V N o n - S y n c . B u c k H i g h P o w e r L E D D r i v e 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
OPERATING RATINGS
Input Voltage Range V IN ................................4.5V to 29V
Junction Temperature Range ....................-40°C to 125°C
Thermal Resistance θ JA ...................................... 59°C/W
rating conditions for extended periods of time may affect
reliability.
Input Voltage ............................................. -0.3V to 30V
Lx................................................................-2V to 30V
FB .....................................................-0.3V to V IN +0.3V
Storage Temperature .............................. -65°C to 150°C
Power Dissipation (Note 1) ................... Internally Limited
Lead Temperature (Soldering, 10 sec) ................... 300°C
ESD Rating (Lx, ISET) ....................................1KV - HBM
ESD Rating (All other pins) .............................2KV - HBM
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, V IN = 4.5V to 29V, C IN = 1μF, T J = –40°C to 125°C.
Parameter
UVLO Turn-On Threshold
UVLO Turn-Off Threshold
Min.
4.0
3.8
Typ.
4.2
4.0
Max.
4.5
4.3
Units
V
V
Conditions
0°C ≤ T J ≤ 125°C
0°C ≤ T J ≤ 125°C
UVLO Hysteresis
0.2
V
Operating Input Voltage Range
Operating Input Voltage Range
Operating VCC Current
Standby VCC Current
Reference Voltage
4.5
7
2
0.6
200
29
29
3
1
V
V
mA
mA
mV
?
0°C ≤ T J ≤ 125°C
V FB =0.1V, not switching
V FB =1.2V, not switching
Reference Voltage
Switching Frequency
Minimum On-Pulse Duration
186
960
200
1200
40
214
1440
100
mV
kHz
ns
?
?
Minimum Duty Cycle
Maximum Duty Cycle
100
0
%
%
VDR Voltage
4.5
5.5
V
?
Measure V IN -V DR
V IN > 7V
Over-Current Threshold
300
350
400
mV
Measure V IN -Lx
ISET Pin Input Current
25
33
40
μA
?
V IN =V Lx
OFF Interval During Hiccup
100
ms
SHDN Threshold
0.8
1.0
1.2
V
?
Apply voltage to FB
SHDN Threshold Hysteresis
Switch On Resistance
100
95
mV
m ?
Switch Leakage
3
5
μA
Note 1: All parameters tested at T A =25°C. Specifications over temperature are guaranteed by design.
? 2009 Exar Corporation
2/13
Rev. 2.0.0
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