Datasheet
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S0174-01
5Vg_ENABLE
Switch
Control
PeakCurrentLimit
Gate
Driver
5
Vg
Q1
Q2
Q3
Q4
V
driver
L1 L2
33µH
V
OUT
V
OUT
47µF
100µF
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)
TPIC74100-Q1
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 SR
Q1
0 0 Slow
0 1 Medium-slow
1 0 Medium-fast
1 1 Fast
9
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