參數(shù)資料
型號: LTC1266-3.3
廠商: Linear Technology Corporation
英文描述: Synchronous Switching Regulator Controller for N- or P-Channel MOSFETs(3.3V,同步穩(wěn)壓控制器(用于N或P溝道MOS場效應(yīng)管))
中文描述: 同步開關(guān)穩(wěn)壓控制器或P溝道MOSFET(3.3伏,同步穩(wěn)壓控制器(用于?馬鞍山或P溝道場效應(yīng)管)的N)
文件頁數(shù): 2/20頁
文件大?。?/td> 245K
代理商: LTC1266-3.3
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, LB
IN
(Pins 3, 4, 13)................20V to –0.3V
LB
OUT
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
V
FB
PARAMETER
Feedback Voltage
CONDITIONS
V
IN
= 9V, I
LOAD
= 700mA, V
PINV
= V
PWR
= 14V,
Topside Switch = N-Ch
MIN
TYP
MAX
UNITS
LTC1266ACS
LTC1266CS
Feedback Current (LTC1266 Only)
Regulated Output Voltage
G
G
1.252
1.210
1.265
1.265
0.2
1.278
1.290
1
V
V
I
FB
V
OUT
G
μ
A
V
IN
= 9V, I
LOAD
= 700mA, V
PINV
= V
PWR
= 14V,
Topside Switch = N-Ch
LTC1266CS-3.3
LTC1266CS-5
Output Ripple (Burst Mode Operation)
Output Voltage Line Regulation
G
G
3.23
4.90
3.33
5.05
50
3.43
5.20
V
V
I
LOAD
= 150mA
I
LOAD
= 50mA
V
PINV
= 0V, Topside Switch = P-Ch, V
IN
= 7V to 12V
V
PINV
= V
PWR
, Topside Switch = N-Ch, V
IN
= 7V to 12V
5mA < I
LOAD
< 2A, R
SENSE
= 0.05
Burst Mode Operation Enabled, V
BINH
= 0V
Burst Mode Operation Inhibited, V
BINH
= 2V
Burst Mode Operation Enabled, V
BINH
= 0V
Burst Mode Operation Inhibited, V
BINH
= 2V
mV
P-P
V
OUT
–40
–40
0
0
40
40
mV
mV
Output Voltage Load Regulation
LTC1266-3.3
LTC1266-3.3
LTC1266-5
LTC1266-5
V
IN
Pin DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
PWR V
IN
DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
G
G
G
G
40
15
60
25
65
25
100
40
mV
mV
mV
mV
I
Q1
3.5V < V
IN
< 18V
3.5V < V
IN
< 18V
V
SHDN
= 2.1V, 3.5V < V
IN
< 18V
2.1
170
25
3.0
250
50
mA
μ
A
μ
A
I
Q2
3.5V < PWR V
IN
< 18V
3.5V < PWR V
IN
< 18V
V
SHDN
= 2.1V, 3.5V < PWR V
IN
< 18V
20
1
1
40
5
5
μ
A
μ
A
μ
A
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 10V, V
SHDN
= V
BINH
= 0V unless otherwise noted.
T
JMAX
= 125
°
C,
θ
JA
= 110
°
C/W
Consult factory for Industrial and Military grade parts.
TOP VIEW
*FIXED OUTPUT VERSIONS
S PACKAGE
16-LEAD PLASTIC SO
TDRIVE
PWR V
IN
PINV
BINH
V
IN
C
T
I
TH
SENSE
BDRIVE
PGND
LB
OUT
LB
IN
SGND
SHDN
V
FB
(NC*)
SENSE
+
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
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