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参数资料
| 型号： | SI9169BQ-T1-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC CONV BUCK BOOST 20TSSOP |
| 标准包装： | 3,000 |
| 应用： | 转换器，1 芯锂离子便携式通信设备 |
| 输入电压： | 2.7 V ~ 6 V |
| 输出数： | 1 |
| 输出电压： | 可调至 1.3V |
| 工作温度： | -25°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
Si9169
Vishay Siliconix
ABSOLUTE MAXIMUM RATINGS
Product is End of Life 3/2014
Parameter
Voltages Referenced to GND
V DD
MODE PWM/PSM, SYNC, SD, V REF , R OSC , COMP, FB
V O
PGND
Voltages Referenced to PGND
V S , V IN/OUT
COIL
Peak Output Current
Continuous Output Current
Storage Temperature Range
Operating Junction Temperature
Limit
6.5
- 0.3 V to V DD + 0.3 V
- 0.3 V to V S + 0.3 V
± 0.3
6.5
- 0.4 V to V IN/OUT + 0.4 V
3 A for 1 ms
1.4
- 65 to 150
150
Unit
V
V
A
°C
Power Dissipation (Package) a
Thermal Impedance ( Θ JA )
20-Pin TSSOP (Q Suffix) b
20-Pin TSSOP c
1.0
90
W
°C/W
Notes:
a. Device Mounted with all leads soldered or welded to PC board.
b. Derate 11 mW/°C above 60 °C.
c. With Pin 1 connected to GND plane.
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.
RECOMMENDED OPERATING CONDITIONS
Parameter
Voltages Referenced to GND
V DD
MODE, PWM/PSM, SYNC, SD
Voltages Referenced to PGND
V S , V IN/OUT
F OSC
R OSC
V REF Capacitor
SPECIFICATIONS
Limit
2.7 V to 6 V V
0 V to V DD
2.7 V to 6 V
200 kHz to 2 MHz
25 k Ω to 300 k Ω
0.1
Unit
V
V
k Ω
μF
Parameter
Symbol
Test Conditions
Unless Otherwise Specified
2.7 V < V DD < 6 V,
V IN/OUT = 3.3 V, V S = 3.3 V
Min a
Limits e
Typ b
Max a
Unit
Reference
Output Voltage
Load Regulation
V REF
Δ V REF
I REF = 0 A
T A = 25 °C, I REF = 0
V DD = 3.3 V, - 500 μA < I REF < 0
1.265
1.280
1.3
1.3
3
1.330
1.320
V
mV
Power Supply Rejection
P SRR
60
dB
UVLO
Under Voltage Lockout (turn-on)
Hysteresis
V UVLO/LH
V HYS
V UVLOLH - V UVLOHL
2.3
2.4
0.1
2.5
V
Soft-Start Time
SS Time
t SS
6
ms
Mode
Logic High
Logic Low
Input Current
V IH
V IL
I L
0.7 V DD
- 1.0
0.3 V DD
1.0
V
μA
www.vishay.com
2
Document Number: 70945
S-72058-Rev. E, 08-Oct-07
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