LT3028 查看數據表（PDF） - Linear Technology
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LT3028
Linear Technology
LT3028 Datasheet PDF : 16 Pages
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LT3028
ABSOLUTE AXI U RATI GS (Note 1)
IN1, IN2 Pin Voltage .............................................. ±20V
OUT1, OUT2 Pin Voltage ....................................... ±20V
Input-to-Output Differential Voltage ....................... ±20V
ADJ1, ADJ2 Pin Voltage ......................................... ±7V
BYP1, BYP2 Pin Voltage ....................................... ±0.6V
SHDN1, SHDN2 Pin Voltage ................................. ±20V
Output Short-Circut Duration .......................... Indefinite
Operating Junction Temperature Range
(Note 2) ............................................ – 40°C to 125°C
Storage Temperature Range
FE Package ....................................... – 65°C to 150°C
DHC Package .................................... – 65°C to 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
GND 1
BYP1 2
OUT1 3
OUT1 4
GND 5
OUT2 6
BYP2 7
GND 8
TOP VIEW
16 GND
15 ADJ1
14 SHDN1
13 IN1
17
12 IN2
11 SHDN2
10 ADJ2
9 GND
FE PACKAGE
16-LEAD PLASTIC TSSOP
TJMAX = 150°C, θJA = 38°C/ W, θJC = 8°C/ W
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
LT3028EFE
LT3028IFE
FE PART
MARKING
3028EFE
3028IFE
Consult factory for parts specified with wider operating temperature ranges.
TOP VIEW
BYP1 1
NC 2
OUT1 3
OUT1 4
GND 5
OUT2 6
OUT2 7
BYP2 8
16 ADJ1
15 SHDN1
14 IN1
13 IN1
17
12 IN2
11 IN2
10 SHDN2
9 ADJ2
DHC PACKAGE
16-LEAD (5mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 40°C/ W, θJC = 10°C/ W
EXPOSED PAD (PIN 17) IS GND
MUST BE SOLDERED TO PCB
ORDER PART
NUMBER
LT3028EDHC
LT3028IDHC
DHC PART
MARKING
3028
3028I
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Note 2)
PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
Minimum Input Voltage
(Notes 3, 10)
ADJ1, ADJ2 Pin Voltage
(Notes 3, 4)
Line Regulation (Note 3)
Load Regulation (Note 3)
Output 2, ILOAD = 100mA
Output 1, ILOAD = 500mA
VIN = 2V, ILOAD = 1mA
Output 2, 2.3V < VIN2 < 20V, 1mA < ILOAD < 100mA
Output 1, 2.3V < VIN1 < 20V, 1mA < ILOAD < 500mA
∆VIN = 2V to 20V, ILOAD = 1mA
Output 2, VIN2 = 2.3V, ∆ILOAD = 1mA to 100mA
VIN2 = 2.3V, ∆ILOAD = 1mA to 100mA
Output 1, VIN1 = 2.3V, ∆ILOAD = 1mA to 500mA
VIN1 = 2.3V, ∆ILOAD = 1mA to 500mA
●
1.8
2.3
V
●
1.8
2.3
V
1.205 1.220 1.235
V
● 1.190 1.220 1.250
V
● 1.190 1.220 1.250
V
●
1
10
mV
1
12
mV
●
25
mV
1
12
mV
●
25
mV
3028f
2
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