参数资料
型号: TPS5103IDBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封装: GREEN, PLASTIC, SSOP-20
文件页数: 40/40页
文件大小: 1225K
代理商: TPS5103IDBG4
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 7 V
(unless otherwise noted) (continued)
softstart
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
I(CTRL)
Softstart current
1.9
2.5
3
A
VIT(high)
3.9
V
VIT(low)
Threshold voltage (SKIP mode)
2.6
V
output voltage monitor
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT
Threshold voltage
1.08
1.18
1.28
V
driver deadtime section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
T(DRVLH)
Low side to high side
90
ns
T(DRVHL)
High side to low side
110
ns
whole device
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICC
Supply current
0.5
1.2
mA
IO(sd)
Shutdown current
STBY = 0 V
0.01
10
A
SOFTSTART
LH
INV
OUT_u
FB
LL
C T
OUT_d
R T
OUTGND
GND
TRIP
REF
COMP
PWM/SKIP
VREF5
STBY
VREG5V_IN
5V
7V
VCC_SENSE
0.1
F
0.1
F
VCC
Figure 2. Test Circuit
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