BH15PB1WHFV
1ch 150mA CMOS LDO Regulators
ROHM的攜帶式裝置專用低壓差穩壓器採用獨創的CMOS製程，能達到低耗電與高精度的目標。自動省電的CMOS LDO穩壓器系列可根據輸出電流的變化，自動將穩壓器特性切換至最佳狀態。當裝置處於待機狀態下，穩壓器本身的耗電電流會降低至約2μA，以降低耗電量。在一般電流的狀態下，本產品會自動切換至高速動作模式。使用緩啟動功能後，即可在啟動時降低進入輸出電容器之突波電流。本產品採用散熱性極佳的HVSOF5封裝，對於裝置的省空間設計有所貢獻。
Product Detail
規格:
Grade
Standard
Breakdown Voltage(Max.)[V]
6.5
ch
1
Vin(Min.)[V]
1.7
Vin(Max.)[V]
5.5
Vout (Typ.) [V]
1.5
Vout Precision
±25mV(High speed), -3.3% to +4.3%(Low Icc)
Iout(Max.)[A]
0.15
Circuit Current[mA]
0.02
Output Short Current[mA]
50
Shutdown Function
Yes
Thermal Shut-down
Yes
Over Current Protection
Yes
Over Voltage Protection
No
Discharge Function
Yes
Soft Start
No
Ripple Rejection [dB]
60.0
Load Regulation[mV]
10(Io=10 to 100mA)
Input Capacitor[µF]
0.47
Output Capacitor[µF]
0.47
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size
1.6x1.6 (t=0.6)
功能:
・低耗電模式・高速模式自動切換・內建防止突波電流電路
・低電壓1.7V動作
Design Resources
Documents
Data Sheet
Technical Articles
Schematic Design & Verification
- Basics of Linear Regulators
- Linear Regulator Specifications
- Reverse Voltage Protection
- Power Source ON/OFF Characteristics for Linear Regulator
- Simple Test Method for Estimating the Stability of Linear Regulators
- Connecting LDOs in Parallel
- Problem Situations: Power Supply Does Not Start
- Power Supply Sequence Circuit with General Purpose Power Supply IC
- Table of resistance for output voltage setting on linear regulator Ics
- Suppression Method of Switching Noise Using Linear Regulator and Low Pass Filter
- Measurement Method for Phase Margin with Frequency Response Analyzer (FRA)
- Usage of SPICE Macromodel (for LDO)
- BAxxCC0 Series Circuit Using a Ceramic Output Capacitor
- Importance of Probe Calibration When Measuring Power: Deskew
- Impedance Characteristics of Bypass Capacitor
Tools
2D/3D/CAD
- HVSOF5 Footprint / Symbol