参数资料
| 型号： | SP2996BEN-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC REG BUS TERM 2A DDR 8NSOIC |
| 产品变化通告： | SP2996B Obsolescence 28/Sept/2011 |
| 标准包装： | 1 |
| 应用： | 转换器，DDR，DDR2 |
| 输入电压： | 1.6 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 可调 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 标准包装 |
| 其它名称： | 1016-1582-6 |
S P 2 9 9 6 B
2 A m p D D R B u s T e r m i n a t i o 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
OPERATING RATINGS
Operating Temperature Range ................. -40°C to +85°C
Thermal Resistance θ JA .....................................160°C/W
Thermal Resistance θ JC ...................................... 40°C/W
rating conditions for extended periods of time may affect
reliability.
Supply Voltage .......................................... -0.3V to 7.0V
Junction Temperature Range.................. -40°C to +125°C
Storage Temperature .............................. -65°C to 150°C
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Ambient Temperature of T A = 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 A = 25°C, and are provided
for reference purposes only. Unless otherwise indicated, V IN = 2.5V, V CNTL = 3.3V, V REF = 0.5xV IN , C OUT = 10μF (ceramic),
T A = 25°C.
Parameter
Input Voltage Range (DDR 1/2)
V IN
Input Voltage Range (DDR 1/2)
V CNTL
Output Voltage V OUT
Min.
1.6
3.0
Typ.
2.5/1.8
3.3
V REF
Max.
3.6
Units
V
V
V
Conditions
(note 4)
Keep V CNTL ≥ V IN on operation power on
and power off sequences
(note 4)
I OUT = 0mA
I OUT = 0mA
Output Offset Voltage V OS
Load Regulation (DDR 1/2) ? V LOR
Quiescent Current I Q
Operating Current of V CNTL , I CNTL
Bias Current of V REF
-20
10
10
8
3
+20
25
25
30
10
1
mV
mV
mV
μA
mA
μA
No load
I OUT = 0.1mA to +2A
I OUT = 0.1mA to -2A
V REF < 0.2V, V OUT = OFF
No load
V REF = 1.25V
Current Limit I IL
2.2
3
4.5
A
(note 3)
Thermal Protection
Thermal Shutdown Temperature
T SD
Thermal Shutdown Hysteresis
125
150
30
°C
°C
(note 4)
3.3V ≤ V CNTL ≤ 5V, guaranteed by design
Guaranteed by design
Shutdown Specifications
Shutdown Threshold V TRIGGER
0.8
0.2
V
Output ON
V REF = 0V
Output OFF
V REF = 1.25V
1.25V
0V
Note
Note
Note
Note
1:
2:
3:
4:
V OS offset is the voltage measurement defined as V OUT subtracted from V REF .
Load regulation is measured at constant junction temperature, using pulse testing with a low ON time.
Current limit is measured by pulsing a short time.
In order to safely operate your system, V CNTL must be > V IN .
? 2010 Exar Corporation
2/9
Rev. 2.0.0
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