參數(shù)資料
型號(hào): LT1339CSW
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70
中文描述: SWITCHING CONTROLLER, 150 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 0.300 INCH, PLASTIC, SO-20
文件頁(yè)數(shù): 2/20頁(yè)
文件大?。?/td> 415K
代理商: LT1339CSW
2
LT1339
A
(Note 1)
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
12V
IN
= V
BOOST
= 12V, V
C
= 2V, TS = 0V, V
FB
= V
REF
= 1.25V, C
TG
= C
BG
= 3000pF, T
A
= 25
°
C unless otherwise noted.
ELECTRICAL C
HARA TERISTICS
SYMBOL
Supply and Protection
I
12VIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC Active Supply Current (Note 2)
DC Standby Supply Current
DC Active Supply Current (Note 2)
DC Standby Supply Current
V
RUN/SHDN
Shutdown Rising Threshold
V
SSHYST
Shutdown Threshold Hysteresis
I
SS
Soft Start Charge Current
V
UVLO
Undervoltage Lockout Threshold - Falling
Undervoltage Lockout Threshold - Rising
Undervoltage Lockout Hysteresis
5V Reference
V
REF5
5V Reference Voltage
5V Reference Line Regulation
I
REF5
5V Reference Load Range - DC
G
G
14
150
2.2
0
1.25
25
8
9.00
9.35
350
20
250
mA
μ
A
mA
μ
A
V
RUN/SHDN
< 0.5V
I
BOOST
V
RUN/SHDN
< 0.5V
G
1.15
1.35
V
mV
μ
A
G
4
14
9.75
9.95
G
G
G
8.20
V
V
200
mV
Line, Load and Temperature
10V
12V
IN
15V
G
4.75
5.00
3
5.25
5
10
20
–2
V
G
mV/V
mA
mA
V/A
mA
G
G
Pulse
5V Reference Load Regulation
5V Reference Short-Circuit Current
0
I
REF5
20mA
G
–1.25
45
I
SC
Supply Voltages
Power Supply Voltage (12V
IN
)...............–0.3V to 20V
Topside Supply Voltage (V
BOOST
)
V
TS
– 0.3V to V
TS
+ 20V (V
MAX
= 75V)
Topside Reference Pin Voltage (TS) ......–0.3V to 60V
Input Voltages
Sense Amplifier Input Common Mode...–0.3V to 60V
RUN/SHDN Pin Voltage ......................–0.3V to 12V
IN
All Other Inputs .......................................–0.3V to 7V
Maximum Currents
5V Reference Output Current............................ 65mA
Maximum Temperatures
Operating Ambient Temperature Range
LT1339C............................................. 0
°
C to 70
°
C
LT1339I......................................... –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
LT1339CN
LT1339CSW
LT1339IN
LT1339ISW
TOP VIEW
N PACKAGE
20-LEAD PDIP
SW PACKAGE
20-LEAD PLASTIC SO WIDE
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SYNC
5V
REF
CT
SL/ADJ
I
AVG
SS
V
C
SGND
V
FB
V
REF
V
BOOST
TG
TS
12V
IN
BG
PGND
PHASE
RUN/SHDN
SENSE
SENSE
+
U
PACKAGE/ORDER U
T
JMAX
= 125
°
C,
θ
JA
= 70
°
C/W (N)
T
JMAX
= 125
°
C,
θ
JA
= 85
°
C/W (SW)
Consult factory for Military grade parts.
相關(guān)PDF資料
PDF描述
LT1339I Octal Buffers/Drivers With 3-State Outputs 20-SOIC 0 to 70
LT1339IN Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70
LT1339ISW High Power Synchronous DC/DC Controller
LT1341 5V RS232 Transceiver with One Receiver Active in Shutdown
LT1341C Octal Buffers/Drivers With 3-State Outputs 20-PDIP 0 to 70
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