Datasheet

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TPIC74100-Q1
BUCK/BOOST SWITCH-MODE REGULATOR
SLIS125 DECEMBER 2006
Table 1. Terminal Functions
TERMINAL
DESCRIPTION
NAME NO. I/O
SCR1 1 I Programmable slew-rate control
Cboot2 2 I External bootstrap capacitor
Cboot1 3 I External bootstrap capacitor
V
driver
4 I Input voltage source
L1 5 I Inductor input (an external Schottky diode
(1)
to GND must be connected to L1)
PGND 6 I Power ground
L2 7 I Inductor output
V
OUT
8 O 5-V regulated output
5Vg 9 O Switched 5-V supply
A
IN
10 I Programmable alarm setting
CLP 11 I/O Low-power operation mode (digital input)
RESET 12 O Reset function (open drain)
A
OUT
13 O Alarm output (open drain)
REST 14 O Programmable reset timer delay
R
mod
15 I Main switching frequency modulation setting to minimize EMI
GND 16 I Ground
V
logic
17 O Supply decoupling output (may be used as a 5-V supply for logic-level inputs)
ENABLE 18 I Switch-mode regulator enable/disable
5Vg_ENABLE 19 I Switched 5-V voltage regulator output enable/disable
SCR0 20 I Programmable slew-rate control
Exposed thermal pad of the package should be connected to GND or left floating.
(1) Maximum 0.4 V @ 1 A @ 125°C
3
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