參數(shù)資料
型號(hào): LT1306
廠商: Linear Technology Corporation
英文描述: Synchronous, Fixed Frequency Step-Up DC/DC Converter
中文描述: 同步,固定頻率升壓型DC / DC轉(zhuǎn)換器
文件頁數(shù): 2/16頁
文件大小: 213K
代理商: LT1306
2
LT1306
PARAMETER
Reference Voltage
Reference Line Regulation
FB Input Bias Current
Error Amplifier Transconductance
Error Amplifier Output Source Current
Error Amplifier Output Sink Current
Error Amplifier Output Clamp Voltage
V
IN
Undervoltage Lockout Threshold
Idle Mode Output Leakage Current
Output Source Current in Shutdown
Switching Frequency
CONDITIONS
Measured at the FB Pin
1.8V
V
IN
7V
V
FB
= V
REF
I =
±
0.2
μ
A
V
FB
= 1V, V
C
= 0.8V
V
FB
= 1.5V, V
C
= 0.8V
V
FB
= 1V
MIN
1.22
TYP
1.24
0.002
10
150
7.5
7.5
1.28
MAX
1.26
0.1
25
220
11
11
1.38
1.8
15
–3
415
390
UNITS
G
V
%/V
nA
μ
–1
G
80
5
5
1.18
1.55
μ
A
μ
A
V
V
μ
A
μ
A
kHz
kHz
%
%
V
FB
= 1.5V, V
OUT
= 5.5V, V
SW
= 1.7V
V
OUT
= 0V, V
IN
= V
SW
= 7V, V
CAP
= 7.2V, V
S/S
= 0V
1.8V
V
IN
7V, 0
°
C
T
A
85
°
C
1.8V
V
IN
7V, T
A
= –40
°
C
V
FB
= 1V, 0
°
C
T
A
85
°
C
V
FB
= 1V, T
A
= –40
°
C
Duty Cycle = 0.1 (Note 3)
Duty Cycle = 0.8 (Note 3)
G
6
G
G
260
225
80
65
2.3
2.0
310
305
90
80
Maximum Duty Cycle
Switch Current Limit
A
A
Burst Mode Operation Switch Current Limit
Switch V
CESAT
Rectifier V
CESAT
Stepdown Mode Rectifier Voltage
250
0.45
0.49
mA
I
SW
= 2A
I
SW
= 2A
V
OUT
= 0V, I
SW
= 1A
V
OUT
= 2.2V, I
SW
= 1A
V
OUT
= 0V, V
IN
= V
SW
= 7V, V
CAP
= 7.2V, V
S/S
= 0V
0.575
0.675
0.7 + V
IN
1.8
20
V
V
V
V
0.3 + V
IN
1.3
Switch and Rectifier Leakage Current
G
0.1
μ
A
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
V
IN
Voltage ............................................................. 10V
S/S Voltage............................................................... 7V
FB Voltage .............................................................. 10V
V
OUT
Voltage.......................................................... 5.5V
Junction Temperature.......................................... 125
°
C
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
ORDER PART
NUMBER
Consult factory for Industrial and Military grade parts.
S8 PART MARKING
LT1306ES8
1306
T
JMAX
= 125
°
C,
θ
JA
= 90
°
C/W
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
V
C
FB
V
OUT
GND
S/S
V
IN
CAP
SW
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 2.5V, V
S/S
= V
IN
, V
C
open unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
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