10BQ DIODE SCHOTTKY 15V 1A SMB Vishay IR datasheet pdf data sheet FREE from Datasheet (data sheet) search for integrated circuits. 10BQ Specifications: Diode Type: Schottky ; Voltage – DC Reverse (Vr) (Max): 15V ; Current – Average Details, datasheet, quote on part number: 10BQ °C The 10BQ surface mount Schottky rectifier has been designed for applications requiring low Details, datasheet, quote on part number: 10BQ .
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Open the PDF directly: Regulat or datadheet 1. The SC is a 1. Its high switching frequency allo ws the use of tiny sur. The internal switch is rated at 34V. Ef f datasheeg ency v s Load Cur rent. T ypical Application Circuit. Absolut e Maximum Ratings. Electrical Characteristics section is not recommended. Parameter Symbol Maximum Units. Supply V oltage V IN Maximum Junction T emperature T J Under-V oltage Lockout Threshold 2.
V Maximum Operating V oltage Feedback V oltage 1. Feedback Line V oltage Regulation 2. Minimum Duty Cycle 0. Maximum Duty Cycle 86 Switch Current Limit 1. Shutdown Input High V oltage 2. Shutdown Input Low V oltage 0. Thermal Shutdown T emperature Thermal Shutdown Hysteresis A reel contains 3, devices. Device is WEEE and. Pin Pin Name Pin Functions.
Collector of the internal power transistor. Connect to the boost inductor and the freewheeling. The maximum switching voltage spike at this pin should be limited to 34V. T ie to ground plane. T ie to an external resistive divider to set the output volt. Shutdown and Soft-start Pin.
Pulling this pin below 0. An external resistor and an external capacitor con. T ie this pin through an optional resistor to IN or. See Applications Information for. Bypassed with capacitor close to the pin. Device 1,2 T op Mark Package. Connect to the boost inductor and the free. The maximum switching voltage spike at this pin should be limited to. An external resistor and an external. The SC will try. T ie this pin. See Applications Information for more details.
T ie to an external resistive divider to set the. Switching Fre que ncy. Unde r -v oltage Lock out. Switch Cur re nt Lim it. Switch Saturation V olt age. Switch Curr e nt Lim it.
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Shutdow n Pi n Volta ge V. Shut dow n P in. Shut dow n P in Cur re nt. Shutdown P in Curr e nt. T ypical Characteristics Cont. Ref erring to the block diagram, Figure. Q 3 is switched on at the trailing. Switch current is sensed with an integrat ed sense resistor.
The sensed current is summed with the slope-compensat. The latch is set and Q 3 conduction is. If the switch current ex ceeds 1. Due t o separate pulse. The current-mode switching regulator is a dual-loop f eed. In datasheef inner current loop the EA output. In the outer loop, the. V IN ex ceeds its under-v oltage lockout threshold typically.
Assume that an ext ernal resistor is placed between. Bef ore V IN reaches 2. Q 2 turns on and the Zener diode Z 1 loosely regulat es the. The optional ext ernal resistor limits the current drawn.
When V IN ex ceeds 2.
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If an ext ernal capacitor is connected. The input induct or current, which is in turn controlled. Sof t-star ting the SC in this manner eliminat es high. When the fault condition disappears, the.
Setting the Output V olt age. An ext ernal resistive divider R 1 and R 2 with its cent er tap. This error is much less than the ratio t olerance resulting. Applications Inf ormation Cont. The duty cycle D of a boost con ver ter in continuous-conduc. In a boost datasueet regulator the induct or is connected. The inductor DC current is the in put current. When the pow er switch is turned on, the inductor current.
When the pow datashset switch is of f, the. The output current is the a verage diode current. The diode current wa vef orm is trapezoidal with pulse width. The output current a vailable fr om. The po wer switch current in the SC is.
This is also the maximum. Current W avef orms in a Boost Conv er ter Figure 4. Current W avef orms in a Boost Conv er ter. Equation 4 theref ore ov er-estimates the. The pow er transistor in the SC is turned of f e very. This minimum of f time limits the. A boost converter with. If the required duty cy cle is higher than the attain.
Dropout is a condition in which the regulat or cannot attain. A regulator in dr opout may appear as. 10b015 cycle-b y -cycle current limit of.