參數(shù)資料
型號(hào): LTC4219IDHC-12#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: 5 X 3 MM, LEAD FREE, PLASTIC, MO-229WJED-1, DFN-16
文件頁(yè)數(shù): 12/18頁(yè)
文件大?。?/td> 195K
代理商: LTC4219IDHC-12#TRPBF
LTC4219
3
4219fb
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VDD = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Characteristics
VDD
Input Supply Range
l
2.9
15
V
IDD
Input Supply Current
MOSFET On, No Load
l
1.6
3
mA
VDD(UVL)
Input Supply Undervoltage Lockout
VDD Rising
l
2.65
2.73
2.85
V
VOUT(PGTH)
Output Power Good Threshold
LTC4219-12, VOUT Rising
l
10.2
10.5
10.8
V
LTC4219-5, VOUT Rising
l
4.2
4.35
4.5
V
DVOUT(PGHYST)
Output Power Good Hysteresis
LTC4219-12
l
127
170
213
mV
LTC4219-5
l
53
71
89
mV
IOUT
OUT Pin Leakage Current
VOUT = VGATE = 0V, VDD = 15V
l
0±150
μA
VOUT = VGATE = 12V, LTC4219-12
l
50
70
90
μA
VOUT = VGATE = 5V, LTC4219-5
l
26
36
46.5
μA
DVGATE/Dt
GATE Pin Turn-On Ramp Rate
l
0.15
0.3
0.55
V/ms
RON
MOSFET + Sense Resistor On Resistance
l
15
33
50
m
W
ILIM(TH)
Current Limit Threshold
VFB = 1.23V
l
5.0
5.6
6.1
A
VFB = 0V
l
1.2
1.5
1.8
A
VFB = 1.23V, RSET = 20kΩ
l
2.6
2.9
3.3
A
Inputs
IIN
EN1, EN2 Pin Input Current
VIN = 1.2V
l
0±1
μA
RFB
FB Pin Input Resistance
LTC4219-12
LTC4219-5
l
13
20
18
29
23
37
VTH
EN1, EN2, FB Pin Threshold Voltage
VIN Rising
l
1.21
1.235
1.26
V
DVEN(HYST)
EN1, EN2 Pin Hysteresis
l
50
80
110
mV
DVFB(HYST)
FB Pin Power Good Hysteresis
l
10
20
30
mV
RISET
ISET Pin Output Resistor
l
19
20
21
k
W
相關(guān)PDF資料
PDF描述
LTC4219IDHC-5#PBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
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