參數(shù)資料
型號(hào): TPIC74100QPWPRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2.5 A SWITCHING REGULATOR, 440 kHz SWITCHING FREQ-MAX, PDSO20
封裝: GREEN, PLASTIC, HTSSOP-20
文件頁數(shù): 30/30頁
文件大?。?/td> 781K
代理商: TPIC74100QPWPRQ1
www.ti.com
S0174-01
5Vg_ENABLE
Switch
Control
PeakCurrentLimit
Gate
Driver
5
Vg
Q1
Q2
Q3
Q4
V
driver
L1
L2
33H
V
OUT
V
OUT
47F
100F
5
Vg
SlewRateControl
RESET
ChargePump
RESET Deglitch
RESET
typ~V
– 100mV
OUT
V
OUT
typ4.65V
Buck/Boost
GateDriver
Slew-Rate Control Terminals (SCR0, SCR1)
BUCK/BOOST SWITCH-MODE REGULATOR
SLIS125 – DECEMBER 2006
Figure 1. Current-Limit Switched Output 5Vg
The slew rate of the switching transistor Q1 is set using the SCR0 and SCR1 terminals.
The following table shows the values of the slew rate (SR):
SCR1
SCR0
SRQ1
0
Slow
0
1
Medium-slow
1
0
Medium-fast
1
Fast
9
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