LTC1159 查看數據表（PDF） - Linear Technology
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LTC1159 Datasheet PDF : 20 Pages
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LTC1159
LTC1159-3.3/LTC1159-5
ABSOLUTE AXI U RATI GS (Note 1)
Input Supply Voltage (Pin 2) ..................... – 15V to 60V
VCC Output Current (Pin 3) .................................. 50mA
Continuous Pin Currents (Any Pin) ...................... 50mA
Sense Voltages ......................................... – 0.3V to 13V
Shutdown Voltages ................................................... 7V
EXTVCC Input Voltage ............................................. 15V
Junction Temperature (Note 2) ............................ 125°C
Operating Temperature Range
LTC1159C .............................................. 0°C to 70°C
LTC1159I ........................................... – 40°C to 85°C
Extended Commercial
Temperature Range ............................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
P-GATE 1
VIN 2
VCC 3
P-DRIVE 4
P-DRIVE 5
VCC 6
VCC 7
CT 8
ITH 9
SENSE– 10
20 CAP
19 SHDN2
18 EXTVCC
17 PGND
16 N-GATE
15 PGND
14 SGND
13 SHDN1
12 VFB
11 SENSE+
G PACKAGE
20-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 135°C/ W
ORDER PART
NUMBER
LTC1159CG
LTC1159CG-3.3
LTC1159CG-5
TOP VIEW
P-GATE 1
VIN 2
VCC 3
P-DRIVE 4
VCC 5
CT 6
ITH 7
SENSE– 8
16 CAP
15 SHDN2
14 EXTVCC
13 N-GATE
12 PGND
11 SGND
10 VFB (SHDN1)*
9 SENSE+
N PACKAGE
16-LEAD PDIP
S PACKAGE
16-LEAD PLASTIC SO
*FIXED OUTPUT VERSIONS
TJMAX = 125°C, θJA = 80°C/ W (N)
TJMAX = 125°C, θJA = 110°C/ W (S)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC1159CN
LTC1159CN-3.3
LTC1159CN-5
LTC1159CS
LTC1159CS-3.3
LTC1159CS-5
LTC1159IS
LTC1159IS-3.3
LTC1159IS-5
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, VSHDN1 = 0V (Note 3), unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
VFB
IFB
VOUT
∆VOUT
IIN
IEXTVCC
Feedback Voltage (LTC1159 Only)
Feedback Current (LTC1159 Only)
Regulated Output Voltage
LTC1159-3.3
LTC1159-5
Output Voltage Line Regulation
Output Voltage Load Regulation
LTC1159-3.3
LTC1159-5
Burst Mode Output Ripple
VIN Pin Current (Note 4)
Normal Mode
Shutdown
EXTVCC Pin Current (Note 4)
VIN = 9V
ILOAD = 700mA
ILOAD = 700mA
VIN = 9V to 40V
5mA < ILOAD < 2A
5mA < ILOAD < 2A
ILOAD = 0A
VIN = 12V, EXTVCC = 5V
VIN = 40V, EXTVCC = 5V
VIN = 12V, VSHDN2 = 2V
VIN = 40V, VSHDN2 = 2V
EXTVCC = 5V, Sleep Mode
q 1.21 1.25 1.29
q
0.2
q 3.23 3.33 3.43
q 4.90 5.05 5.20
– 40
0
40
q
40
65
q
60
100
50
200
300
15
25
250
UNITS
V
µA
V
V
mV
mV
mV
mVP-P
µA
µA
µA
µA
µA
2
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