参数资料
型号: SI9150DY-E3
厂商: Vishay Siliconix
文件页数: 2/8页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 14-SOIC
标准包装: 550
PWM 型: 电压模式
输出数: 1
频率 - 最大: 345kHz
占空比: 100%
电源电压: 5.7 V ~ 18 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
包装: 散装
Si9150
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Product is End of Life 3/2014
Parameter
Voltages Referenced to GND
V DD
I SENSE Input
All Other Inputs
P-Gate, N-Gate Continuous Source/Sink Current
Storage Temperature
Operating Junction Temperature (T J )
Limit
18
- 2 V to V DD + 2 V
- 0.3 V to V DD + 0.3 V
50
- 65 to 125
150
Unit
V
mA
°C
Power Dissipation (Package) a
Thermal Impedance ( Θ JA )
14-Pin SOIC (Y Suffix) b
14-Pin SOIC
900
140
mW
°C/W
Notes:
a. Device Mounted with all leads soldered or welded to PC board.
b. Derate 7.2 mW/°C.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
SPECIFICATIONS a
Test Conditions
Limits
Limits
Parameter
Symbol
Unless Otherwise Specified
6.0 ≤ V DD ≤ 16.5 V
C Suffix 0 to 70 °C
Min b Typ c Max b
D Suffix - 40 to 85 °C
Min b Typ c Max b
Unit
Reference
Output Voltage
V REF
T A = 25 °C
Measured at Feedback e Pin 5
d
T MIN to T MAX
2.45
2.425
2.50
2.500
2.55
2.575
2.45
2.40
2.50
2.500
2.55
2.60
V
Oscillator
Maximum Frequency
Initial Accuracy
Oscillator Ramp Amplitude
Temperature Stability d
f MAX
f OSC
V OSC
f TEMP
C OSC = 94.3 pF, R OSC = 28.7 k Ω
T A = 25 °C f
C OSC = 212 pF, R OSC = 41.2 k Ω
T A = 25 °C f
T A = 25 °C, 100 kHz
V DD = 10 V, T MIN to T MAX
255
85
2.05
-5
300
100
2.65
±3
345
115
2.85
+5
255
85
2.05
-6
300
100
2.65
±4
345
115
2.85
+6
kHz
V
%
Error Amplifier
Input BIAS Current
I B
V FB = V REF
25
500
25
750
nA
Open Loop Voltage Gain
Offset Voltage
Unity Gain Bandwidth d
d
A VOL
V OS
BW
60
1
72
10
1.5
25
58
1
72
10
1.5
30
dB
mV
MHz
Output Current
Power Supply Rejection
I OUT
PSRR
Source, V COMP = 2.50 V
Sink, V COMP = 1.0 V
1
50
- 0.30 - 0.20
2.5
70
0.9
48
- 0.30 - 0.15
2.5
70
mA
dB
Protection
Current Limit Threshold Voltage
Current Limit Delay to Output d
Undervoltage Lockout Voltage
Undervoltage Hysteresis
V CL
t d
V UVLO
V HYS
T A = 25 °C, V DD = 10 V
T A = 25 °C
Upper Threshold
0.43
5.4
0.10
0.49
500
5.7
0.17
0.55
1000
6.0
0.25
0.43
5.38
0.10
0.49
500
5.7
0.17
0.55
1000
6.01
0.26
V
ns
V
Softstart Pull-Up Current
I SS
20
20
μA
www.vishay.com
2
Document Number: 70020
S-40752-Rev. F, 19-Apr-04
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