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参数资料
| 型号： | LTC1266IS-5 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | 0.150 INCH, PLASTIC, SO-16 |
| 文件页数： | 12/20页 |
| 文件大小： | 240K |
| 代理商： | LTC1266IS-5 |
2
LTC1266
LTC1266-3.3/LTC1266-5
(Note 1)
Input Supply Voltage (Pins 2, 5) ............... 20V to – 0.3V
Continuous Output Current (Pins 1, 16) .............. 50mA
Sense Voltages (Pins 8, 9) ....................... 13V to – 0.3V
SHDN Voltage (Pin 11) ............................. 12V to – 0.3V
PINV, BINH, LBIN (Pins 3, 4, 13)................20V to – 0.3V
LBOUT Output Current ........................................... 12mA
Operating Ambient Temperature Range ...... 0
°C to 70°C
Industrial Temperature Range ................ – 40
°C to 85°C
Extended Commercial
Temperature Range ........................... – 40
°C to 85°C
Junction Temperature (Note 2) ............................ 125
°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
ORDER PART
NUMBER
LTC1266CS
LTC1266CS-3.3
LTC1266CS-5
LTC1266ACS
LTC1266IS
LTC1266IS-3.3
LTC1266IS-5
LTC1266AIS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VFB
Feedback Voltage
VIN = 9V, ILOAD = 700mA, VPINV = VPWR = 14V,
Topside Switch = N-Ch
LTC1266ACS
q
1.252
1.265
1.278
V
LTC1266CS
q
1.210
1.265
1.290
V
IFB
Feedback Current (LTC1266 Only)
q
0.2
1
A
VOUT
Regulated Output Voltage
VIN = 9V, ILOAD = 700mA, VPINV = VPWR = 14V,
Topside Switch = N-Ch
LTC1266CS-3.3
q
3.23
3.33
3.43
V
LTC1266CS-5
q
4.90
5.05
5.20
V
Output Ripple (Burst Mode Operation)
ILOAD = 150mA
50
mVP-P
VOUT
Output Voltage Line Regulation
ILOAD = 50mA
VPINV = 0V, Topside Switch = P-Ch, VIN = 7V to 12V
– 40
0
40
mV
VPINV = VPWR, Topside Switch = N-Ch, VIN = 7V to 12V
– 40
0
40
mV
Output Voltage Load Regulation
5mA < ILOAD < 2A, RSENSE = 0.05
LTC1266-3.3
Burst Mode Operation Enabled, VBINH = 0V
q
40
65
mV
LTC1266-3.3
Burst Mode Operation Inhibited, VBINH = 2V
q
15
25
mV
LTC1266-5
Burst Mode Operation Enabled, VBINH = 0V
q
60
100
mV
LTC1266-5
Burst Mode Operation Inhibited, VBINH = 2V
q
25
40
mV
IQ1
VIN Pin DC Supply Current (Note 3)
Normal Mode
3.5V < VIN < 18V
2.1
3.0
mA
Sleep Mode
3.5V < VIN < 18V
170
250
A
Shutdown
VSHDN = 2.1V, 3.5V < VIN < 18V
25
50
A
IQ2
PWR VIN DC Supply Current (Note 3)
Normal Mode
3.5V < PWR VIN < 18V
20
40
A
Sleep Mode
3.5V < PWR VIN < 18V
1
5
A
Shutdown
VSHDN = 2.1V, 3.5V < PWR VIN < 18V
1
5
A
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 10V, VSHDN = VBINH = 0V unless otherwise noted.
TJMAX = 125°C, θJA = 110°C/ W
Consult factory for Industrial and Military grade parts.
TOP VIEW
*FIXED OUTPUT VERSIONS
S PACKAGE
16-LEAD PLASTIC SO
TDRIVE
PWR VIN
PINV
BINH
VIN
CT
ITH
SENSE–
BDRIVE
PGND
LBOUT
LBIN
SGND
SHDN
VFB (NC*)
SENSE+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
ELECTRICAL CHARACTERISTICS
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