参数资料
型号: TPS2816MDBVREP
厂商: TEXAS INSTRUMENTS INC
元件分类: MOSFETs
英文描述: 2 A BUF OR INV BASED MOSFET DRIVER, PDSO5
封装: PLASTIC, SOT-23, 5 PIN
文件页数: 10/25页
文件大小: 674K
代理商: TPS2816MDBVREP
www.ti.com
2 V/div
12.5 ns/div
Q1 Gate
Q1 Drain
2 V/div
12.5 ns/div
Q1 Drain
Q1 Gate
SGDS039 – FEBRUARY 2008
Table 1. Bill of Materials
REF DES
PART NO.
DESCRIPTION
MFR
U1
TPS2817DBV
IC, MOSFET driver, single noninverting
TI
U2
TL5001CD
IC, PWM controller
TI
Q1
TPS1110D
MOSFET, p-channel, 6 A, 7 V, 75 m
TI
C1, C2, C5, C8
Capacitor, ceramic, 0.1
F, 50 V, X7R, 1206
C3
Capacitor, ceramic, 0.033
F, 50 V, X7R, 1206
C4
Capacitor, ceramic, 2200 pF, 50 V, X7R, 0805
C6
ECS-T1CY105R
Capacitor, tantalum, 1.0
F, 16 V, A case
Panasonic
C7
10SC47M
Capacitor, OS-Con, 47
F, 10 V
Sanyo
C9
Capacitor, ceramic, 1000 pF, 50 V, X7R, 0805
C10, C12
10SA220M
Capacitor, OS-Con, 220
F, 10 V
Sanyo
C11
Capacitor, ceramic, 0.022
F, 50 V, X7R, 0805
C13
Capacitor, ceramic, 47
F, 50 V, X7R
CR1
50WQ03F
Diode, Schottky, D-pak, 5 A 30 V
IR
L1
SML3723
Inductor, 27
H, ±20%, 3 A
Nova Magnetics
R1
Resistor, CF, 47 k
, 1/10 W, 5%, 0805
R2
Resistor, CF, 1.5 k
, 1/10 W, 5%, 0805
R3
Resistor, MF, 30.1 k
, 1/10 W, 1%, 0805
R4
Resistor, MF, 1.00 k
, 1/10 W, 1%, 0805
R5
Resistor, CF, 47
, 1/10 W, 5%, 0805
R6 (3.3-V)
Resistor, MF, 2.32 k
, 1/10 W, 1%, 0805
R6 (2.5-V)
Resistor, MF, 1.50 k
, 1/10 W, 1%, 0805
R7
Resistor, CF, 100
, 1/10 W, 5%, 0805
As shown in Figure 24 and Figure 25, the TPS2817 turns on the TPS1110 power switch in less than 20 ns and
off in 25 ns.
Figure 24. Q1 Turn-On Waveform
Figure 25. Q1 Turn-Off Waveform
18
Copyright 2008, Texas Instruments Incorporated
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