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參數(shù)資料
| 型號： | LTC4215IUFD-2#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| 封裝： | 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-24 |
| 文件頁數(shù)： | 22/28頁 |
| 文件大小： | 261K |
| 代理商： | LTC4215IUFD-2#TRPBF |
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LTC4215/LTC4215-2
3
4215fe
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
Supplies
VDD
Input Supply Range
l
2.9
15
V
VOV(VDD)
Input Supply Overvoltage Threshold
l
15
15.6
16.5
V
IDD
Input Supply Current
l
35
mA
VDD(UVL)
Input Supply Undervoltage Lockout
VDD Rising
l
2.75
2.84
2.89
V
VDD(HYST)
Input Supply Undervoltage Lockout Hysteresis
l
75
100
125
mV
INTVCC
Internal Regulator Voltage
VDD ≥ 3.3V
l
2.9
3.1
3.4
V
INTVCC(UVL)
INTVCC Undervoltage Lockout
INTVCC Rising
l
2.55
2.64
2.79
V
INTVCC(HYST)
INTVCC Undervoltage Lockout Hysteresis
l
20
55
75
mV
Current Limit and Circuit Breaker
ΔVSENSE(TH)
Circuit Breaker Threshold (VDD – VSENSE)
l
22.5
25
27.5
mV
ΔVSENSE
Current Limit Voltage (VDD – VSENSE)VFB = 1.3V
VFB = 0V
Start-Up Timer Expired
l
22
6.5
65
25
10
75
29
13
90
mV
tD(OC)
OC Fault Filter
ΔVSENSE = 50mV, LTC4215
ΔVSENSE = 50mV, LTC4215-2
l
15
300
20
420
30
600
μs
ISENSE(IN)
SENSE
+/– Input Current
VSENSE = 12V
l
10
20
35
μA
Gate Drive
ΔVGATE
External N-Channel Gate Drive (VGATE – VSOURCE)
(Note 3)
VDD = 2.9V to 15V
l
4.7
5.9
6.5
V
IGATE(UP)
External N-Channel Gate Pull-Up Current
Gate On, VGATE = 0V
l
–15
–20
–30
μA
IGATE(DN)SLOW
External N-Channel Gate Pulldown Current
Gate Off, VGATE = 15V
l
0.8
1
1.6
mA
IGATE(DN)FAST
Pulldown Current From GATE to SOURCE
During OC/UVLO
VDD – SENSE = 100mV, VGS = 4V
l
300
450
700
mA
tPHL(SENSE)
(VDD – SENSE) High to GATE Low
VDD – SENSE = 100mV, CGS = 10nF
l
0.5
1
μs
VGS(POWERBAD)
Gate-Source Voltage for Power Bad Fault
VSOURCE = 2.9V – 15V
l
3.8
4.3
4.7
V
ORDER INFORMATION
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4215CGN
LTC4215CGN#TR
4215
16-Lead Plastic TSSOP
0°C to 70°C
LTC4215IGN
LTC4215IGN#TR
4215I
16-Lead Plastic TSSOP
–40°C to 85°C
LTC4215CUFD
LTC4215CUFD#TR
4215
24-Lead (4mm
× 5mm) Plastic QFN
0°C to 70°C
LTC4215IUFD
LTC4215IUFD#TR
4215
24-Lead (4mm
× 5mm) Plastic QFN
–40°C to 85°C
LTC4215CUFD-2
LTC4215CUFD-2#TR
42152
24-Lead (4mm
× 5mm) Plastic QFN
0°C to 70°C
LTC4215IUFD-2
LTC4215IUFD-2#TR
42152
24-Lead (4mm
× 5mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
相關PDF資料 |
PDF描述 |
|---|---|
| LTC4215CUFD-2#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| LTC4215IUFD-2 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| LTC4215IUFD-3#TR | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| LTC4215CUFD-3#TRPBF | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
| LTC4215CUFD-3 | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24 |
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