Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

LTC4218IGN Datasheet(PDF) 3 Page - Linear Technology

Part # LTC4218IGN
Description  Hot Swap Controller
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4218IGN Datasheet(HTML) 3 Page - Linear Technology

  LTC4218IGN Datasheet HTML 1Page - Linear Technology LTC4218IGN Datasheet HTML 2Page - Linear Technology LTC4218IGN Datasheet HTML 3Page - Linear Technology LTC4218IGN Datasheet HTML 4Page - Linear Technology LTC4218IGN Datasheet HTML 5Page - Linear Technology LTC4218IGN Datasheet HTML 6Page - Linear Technology LTC4218IGN Datasheet HTML 7Page - Linear Technology LTC4218IGN Datasheet HTML 8Page - Linear Technology LTC4218IGN Datasheet HTML 9Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 16 page
background image
LTC4218
3
4218fb
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Characteristics
VDD
Input Supply Range
●
2.9
26.5
V
IDD
Input Supply Current
FET On
●
1.6
5
mA
VDD(UVL)
Input Supply Undervoltage Lockout
VDD Rising
●
2.65
2.73
2.85
V
VDD(UVTH)
Input Supply Undervoltage Threshold
LTC4218-12 Only VDD Rising
●
9.6
9.88
10.2
V
ΔVDD(UVHYST)
Input Supply Undervoltage Hysteresis
LTC4218-12 Only
●
520
640
760
mV
VDD(OVTH)
Input Supply Overvoltage Threshold
LTC4218-12 Only VDD Rising
●
14.7
15.05
15.4
V
ΔVDD(OVHYST)
Input Supply Overvoltage Hysteresis
LTC4218-12 Only
●
183
244
305
mV
VSOURCE(PGTH)
SOURCE Powergood Threshold
LTC4218-12 Only VSOURCE Rising
●
10.2
10.5
10.8
V
ΔVSOURCE(PGHYST) SOURCE Powergood Hysteresis
LTC4218-12 Only
●
127
170
213
mV
ΔVSNS(TH)
Current Limit Sense Voltage Threshold
(VSENSE+ – VSENSE–)
VFB = 1.23V
VFB = 0V
VFB = 1.23V, RSET = 20kΩ
●
●
●
14.25
2.8
6.7
15
3.75
7.5
15.75
4.7
8.325
mV
mV
mV
ISENSE–(IN)
SENSE– Pin Input Current
VSENSE– = 12V
●
4
±10
μA
ISENSE+(IN)
SENSE+ Pin Input Current
VSENSE+ = 12V
●
5.5
±20
μA
ΔVGATE
External N-Channel Gate Drive
(VGATE – VSOURCE)
VDD = 2.9V to 26.5V (Note 3)
IGATE = 0, –1μA
●
5
6.15
6.5
V
ΔVGATE-HIGH(TH)
Gate High Threshold (VGATE – VSOURCE)
●
3.5
4.2
4.8
V
IGATE(UP)
External N-Channel Gate Pull-Up Current
Gate Drive On, VGATE = VSOURCE = 12V
●
–19
–24
–29
μA
IGATE(FST)
External N-Channel Gate Fast Pull-Down
Current
Fast Turn Off, VGATE = 18V,
VSOURCE =12V
●
100
170
220
mA
IGATE(DN)
External N-Channel Gate Pull-Down Current
Gate Drive Off, VGATE = 18V,
VSOURCE =12V
●
200
250
340
μA
Inputs
I(IN)
OV, UV, FB Pin Input Current
VIN = 1.2V, LTC4218 Only
●
0±1
μA
R(IN)
OV, UV, FB Pin Input Resistance
LTC4218-12 Only
●
13
18
23
k
Ω
V(TH)
OV, UV, FB Pin Threshold Voltage
VIN Rising
●
1.21
1.235
1.26
V
ΔVOV(HYST)
OV Pin Hysteresis
●
10
20
30
mV
ΔVUV(HYST)
UV Pin Hysteresis
●
50
80
110
mV
VUV(RTH)
UV Pin Reset Threshold Voltage
VUV Falling
●
0.55
0.62
0.7
V
ΔVFB(HYST)
FB Pin Power Good Hysteresis
●
10
20
30
mV
RISET
ISET Pin Output Resistor
●
19.5
20
20.5
k
Ω
ISOURCE
SOURCE Pin Input Current
VSOURCE = VGATE = 12V, LTC4218-12 Only
VSOURCE = VGATE = 12V, LTC4218 Only
VSOURCE = VGATE = 0V
●
●
●
50
1
70
2
0
90
4
±1
μA
μA
μA
Outputs
V(OL)
PG, FLT Pin Output Low Voltage
IOUT = 2mA
●
0.4
0.8
V
I(OH)
PG, FLT Pin Input Leakage Current
VOUT = 30V
●
0
±10
μA
VTIMER(H)
TIMER Pin High Threshold
VTIMER Rising
●
1.2
1.235
1.28
V
VTIMER(L)
TIMER Pin Low Threshold
VTIMER Falling
●
0.1
0.21
0.3
V
ITIMER(UP)
TIMER Pin Pull Up Current
VTIMER = 0V
●
–80
–100
–120
μA
ITIMER(DN)
TIMER Pin Pull-Down Current
VTIMER = 1.2V
●
1.4
2
2.6
μA



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
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