參數(shù)資料
型號: LTC3625EDE-1#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO12
封裝: 3 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, MO-229WGED, DFN-12
文件頁數(shù): 9/16頁
文件大?。?/td> 262K
代理商: LTC3625EDE-1#TRPBF
LTC3625/LTC3625-1
3625f
pin conFiguraTion
absoluTe MaxiMuM raTings
VIN, VOUT (Transient) t < 1ms,
Duty Cycle < 1% .......................................... –0.3V to 7V
VIN, VOUT, VMID, PGOOD,
CTL, PROG, PFI, PFO ................................... –0.3V to 6V
EN, VSEL........................................... –0.3V to VIN + 0.3V
VOUT Short-Circuit Duration............................. Indefinite
IPGOOD, IPFO............................................................50mA
IPROG........................................................................1mA
IVIN, ISW1, ISW2, IVOUT (Note 2) ...................................3A
Operating Junction Temperature Range
(Notes 3, 4)............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
(Note 1)
12
11
10
9
8
7
1
2
3
4
5
6
SW2
VOUT
VMID
PGOOD
PFO
PFI
SW1
VIN
CTL
VSEL
EN
PROG
TOP VIEW
13
GND
DE PACKAGE
12-LEAD (4mm 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3625EDE#PBF
LTC3625EDE#TRPBF
3625
12-Lead (4mm
× 3mm) Plastic DFN
–40°C to 125°C
LTC3625EDE-1#PBF
LTC3625EDE-1#TRPBF
36251
12-Lead (4mm
× 3mm) Plastic DFN
–40°C to 125°C
LTC3625IDE#PBF
LTC3625IDE#TRPBF
3625
12-Lead (4mm
× 3mm) Plastic DFN
–40°C to 125°C
LTC3625IDE-1#PBF
LTC3625IDE-1#TRPBF
36251
12-Lead (4mm
× 3mm) Plastic DFN
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, RPROG = 143k, unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Voltage Range
l
VIN(UVLO)
5.5
V
VIN(UVLO)
Input Undervoltage Lockout
(VIN Rising)
VSEL = VIN (LTC3625)
VSEL = 0V (LTC3625)
VSEL = 0V or VIN (LTC3625-1)
l
2.8
2.53
2.9
2.63
3.0
2.73
V
Input UVLO Hysteresis
100
mV
VOUT(SLEEP)
Charger Termination Voltage
VSEL = VIN (LTC3625)
VSEL = 0V (LTC3625)
VSEL = VIN (LTC3625-1)
VSEL = 0V (LTC3625-1)
l
5.2
4.7
4.4
3.9
5.3
4.8
4.5
4.0
5.4
4.9
4.6
4.1
V
Recharge Hysteresis
Below VOUT(SLEEP)
135
mV
VTOP, VBOT
Maximum Voltage Across Either of
the Supercapacitors After Charging
VSEL = VIN, VOUT = 5.3V (LTC3625)
VSEL = 0V, VOUT = 4.8V (LTC3625)
VSEL = VIN, VOUT = 4.5V (LTC3625-1)
VSEL = 0V, VOUT = 4V (LTC3625-1)
l
2.7
2.45
2.3
2.05
2.75
2.5
2.35
2.1
V
Maximum Supercapacitor Offset
After Charging
CTL = 0V
CTL = VIN
100
50
180
120
mV
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