Motore di ricerca datesheet componenti elettronici
  Italian  ▼
ALLDATASHEETIT.COM

X  

Preview PDF HTML

UCD7230 Scheda tecnica(PDF) 6 Page - Texas Instruments

Click here to check the latest version.
Il numero della parte UCD7230
Spiegazioni elettronici  Digital Control Compatible Synchronous Buck Gate Drivers with Current Sense Conditioning Amplifier
PDF  33 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

UCD7230 Scheda tecnica(HTML) 6 Page - Texas Instruments

Back Button UCD7230 Datasheet HTML 2Page - Texas Instruments UCD7230 Datasheet HTML 3Page - Texas Instruments UCD7230 Datasheet HTML 4Page - Texas Instruments UCD7230 Datasheet HTML 5Page - Texas Instruments UCD7230 Datasheet HTML 6Page - Texas Instruments UCD7230 Datasheet HTML 7Page - Texas Instruments UCD7230 Datasheet HTML 8Page - Texas Instruments UCD7230 Datasheet HTML 9Page - Texas Instruments UCD7230 Datasheet HTML 10Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 6 / 33 page
background image
www.ti.com
ELECTRICAL CHARACTERISTICS
UCD7230
SLUS741C – NOVEMBER 2006 – REVISED MARCH 2007
V
DD = PVDD = 12 V, 4.7-µF from VDD to AGND, 1 µF from PVDD to PGND, 0.1 µF from CSBIAS to AGND, 0.22 µF from BST to
SW, T
A = TJ = -40°C to +125°C, RCS+ = 5 kΩ, RDLY = 50 kΩ over operating free-air temperature range (unless otherwise
noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
Supply current, off
VDD = 4.2 V
500
700
µA
Supply current
Outputs not switching IN = LOW
5
8
mA
LOW-VOLTAGE UNDER-VOLTAGE LOCKOUT
VDD UVLO ON
VDD rising
4.25
4.50
4.75
V
VDD UVLO OFF
VDD falling
4.00
4.25
4.50
VDD UVLO hysteresis
100
250
400
mV
REFERENCE / EXTERNAL BIAS SUPPLY
3V3 initial set point
TA = 25°C
3.267
3.3
3.333
V
3V3 over temperature
3.234
3.3
3.366
3V3 load regulation
ILOAD = 1 mA to 10 mA, VDD = 5V
1
7
mV
VDD = 4.75 V to 12 V, ILOAD = 10
3V3 line regulation
3
10
mA
Short circuit current
VDD = 4.75 V to 12 V
11
20
mA
3V3 OK threshold, ON
3.3 V rising
2.8
3
3.2
V
3V3 OK threshold, OFF
3.3 V falling
2.6
2.8
3.0
INPUT SIGNAL (IN)
Positive-going input threshold
INHigh
1.6
1.9
2.2
voltage
Negative-going input threshold
INLow
1.0
1.3
1.6
V
voltage
INHigh –
Input voltage hysteresis
0.4
0.6
0.8
INLow
Input resistance to AGND
50
100
150
k
Ω
Frequency ceiling
2
MHz
CURRENT LIMIT (ILIM)
ILIM internal voltage setpoint
ILIM=OPEN
0.47
0.50
0.53
V
ILIM input impedance
20
42
65
k
Ω
CLF output high level
ILOAD = 4 mA
2.7
V
CLF output low level
ILOAD = 4 mA
0.6
Propagation delay from IN to reset
2nd IN rising to CLF falling after a
15
35
ns
CLF
current limit event
CURRENT SENSE COMPARATOR (OUTPUT SENSE)
ILIM = open
40
50
60
ILIM = 3.3 V
80
100
120
CS threshold (POS - NEG)
mV
ILIM = 0.75 V
60
75
90
ILIM = 0.25 V
15
25
35
Propagation delay from POS to
ILIM = open, CS = threshold + 60 mV
90
OUT1 falling(1)
ns
Propagation delay from POS to
ILIM = open, CS = threshold + 60 mV
100
CLF(1)
(1)
As designed and characterized. Not 100% tested in production.
6



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33


Scheda tecnica Scarica

Go To PDF Page


Link URL



Lei ha avuto il aiuto da alldatasheet?  [ DONATE ] 

Di alldatasheet   |   Richest di pubblicita   |   contatti   |   Privacy Policy   |   Collegamento alla scheda tecnica    |   scambio Link   |   Ricerca produttore
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com