參數(shù)資料
型號: LTC1266CS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Synchronous Regulator Controller for N- or P-Channel MOSFETs
中文描述: SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 0.150 INCH, PLASTIC, SO-16
文件頁數(shù): 3/20頁
文件大?。?/td> 361K
代理商: LTC1266CS
3
LTC1266
LTC1266-3.3/LTC1266-5
SYMBOL
V
SENSE 2
PARAMETER
Current Sense Threshold
(Burst Mode Operation Disabled)
LTC1266
CONDITIONS
V
BINH
= 2.1V
MIN
TYP
MAX
UNITS
V
SENSE–
= 3.3V, V
FB
= V
OUT
/2.64 + 25mV (Forced)
V
SENSE–
= 3.3V, V
FB
= V
OUT
/2.64 – 25mV (Forced)
V
SENSE–
= V
OUT
+ 100mV (Forced)
V
SENSE–
= V
OUT
– 100mV (Forced)
V
SENSE–
= V
OUT
+ 100mV (Forced)
V
SENSE–
= V
OUT
– 100mV (Forced)
–20
155
–20
155
–20
155
0.8
1.2
0.2
1.2
mV
mV
mV
mV
mV
mV
G
135
175
LTC1266-3.3
G
135
175
LTC1266-5
G
135
0.6
175
2
5
1
2
V
SHDN
I
SHDN
I
PINV
V
BINH
Shutdown Pin Threshold
Shutdown Pin Input Current
Phase Invert Pin Input Current
Burst Mode Operation
Inhibit Pin Threshold
Burst Mode Operation
Inhibit Pin Input Current
C
T
Pin Discharge Current
V
0V < V
SHDN
< 8V, V
IN
= 16V
0V < V
PINV
< 18V, V
IN
= 18V
μ
A
μ
A
V
0.8
I
BINH
0V < V
BINH
< 18V, V
IN
= 18V
0.2
1
μ
A
I
CT
V
SENSE+
= V
OUT
– 100mV, V
SENSE–
= V
OUT
– 300mV
V
OUT
= 0V
C
T
= 390pF, I
LOAD
= 700mA
V
OUT
= 0V, V
IN
= 18V
C
L
= 3000pF (Pins 1, 16), V
IN
= 6V
V
BINH
= 2.1V
50
70
2
5
60
100
90
10
6
μ
A
μ
A
μ
s
μ
s
ns
t
OFF
t
MAX
t
r
, t
f
V
CLAMP
Off-Time (Note 3)
Max On-Time
Driver Output Transition Times
Output Voltage Clamp in
Burst Mode Operation Inhibit
LTC1266
LTC1266-3.3
LTC1266-5
Low-Battery Trip Point
4
200
Measured at V
FB
Measured at V
SENSE–
Measured at V
SENSE–
V
IN
= 5V
V
IN
= 12V
V
LBOUT
= 18V, V
LBIN
= 2V
V
LBOUT
= 1V, V
LBIN
= 0V, 2.5V < V
IN
< 18V
V
LBIN
= 18V
1.30
3.43
5.20
1.25
1.30
25
8
0.2
V
V
V
V
V
V
LBTRIP
1.14
1.17
1.35
1.42
200
I
LBLEAK
I
LBSINK
I
LBIN
Max Leakage Current into Pin 14
Max Sink Current into Pin 14
Max Leakage Current into Pin 13
nA
mA
μ
A
1
1
ELECTRICAL C
HARA TERISTICS
T
A
= 25
°
C, V
IN
= 10V, V
SHDN
= V
BINH
= 0V unless otherwise noted.
SYMBOL
V
FB
V
OUT
PARAMETER
Feedback Voltage (LTC1266 only)
Regulated Output Voltage
LTC1266-3.3
LTC1266-5
V
IN
Pin DC Supply Current (Note 2)
Normal Mode
Sleep Mode
Shutdown
PWR V
IN
DC Supply Current (Note 2)
Normal Mode
Sleep Mode
Shutdown
CONDITIONS
V
IN
= 9V, I
LOAD
= 700mA
V
IN
= 9V, I
LOAD
= 700mA
MIN
1.21
TYP
1.25
MAX
1.29
UNITS
V
3.23
4.90
3.33
5.05
3.43
5.20
V
V
I
Q1
3.5V < V
IN
< 18V
3.5V < V
IN
< 18V
V
SHUTDOWN
= 2.1V, 3.5V < V
IN
< 18V
2.1
170
25
3.3
260
60
mA
μ
A
μ
A
I
Q2
3.5V < PWR V
IN
< 18V
3.5V < PWR V
IN
< 18V
V
SHUTDOWN
= 2.1V, 3.5V < PWR V
IN
< 18V
20
1
1
50
7
7
μ
A
μ
A
μ
A
–40
°
C < T
A
< 85
°
C (Note 4), V
IN
= 10V, unless otherwise noted.
相關PDF資料
PDF描述
LTC1266CS-3.3 Synchronous Regulator Controller for N- or P-Channel MOSFETs
LTC1266CS-5 Synchronous Regulator Controller for N- or P-Channel MOSFETs
LTC1267- ADJ 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
LTC1267- ADJ5 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
LTC1267-ADJ5 Circular Connector; No. of Contacts:37; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-35
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