參數(shù)資料
型號: LT1615-1
廠商: Linear Technology Corporation
英文描述: Micropower Step-Up DC/DC Converters in SOT-23(微功耗步升DC/DC變換器(SOT-23封裝))
中文描述: 微功耗升壓型DC / DC轉(zhuǎn)換器采用SOT - 23(微功耗步升直流/直流變換器(采用SOT - 23封裝))
文件頁數(shù): 3/8頁
文件大?。?/td> 83K
代理商: LT1615-1
3
LT1615/LT1615-1
TYPICAL PERFOR A CE CHARACTERISTICS
U
Switch Saturation Voltage
(V
CESAT
)
Quiescent Current
Feedback Pin Voltage and
Bias Current
TEMPERATURE (
°
C)
–50
–25
0
25
50
75
100
S
1615/-1 G01
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
I
SWITCH
= 500mA
I
SWITCH
= 300mA
TEMPERATURE (
°
C)
–50
F
1615/-1 G02
1.25
1.24
1.23
1.22
1.21
1.20
B
50
40
30
20
10
0
CURRENT
VOLTAGE
–25
0
25
50
75
100
TEMPERATURE (
°
C)
Q
μ
A
1615/-1 G03
25
23
21
19
17
15
–50
–25
0
25
50
75
100
V
IN
= 12V
V
IN
= 1.2V
V
= 1.23V
NOT SWITCHING
PU
SW (Pin 1):
Switch Pin. This is the collector of the internal
NPN power switch. Minimize the metal trace area con-
nected to this pin to minimize EMI.
GND (Pin 2):
Ground. Tie this pin directly to the local
ground plane.
FB (Pin 3):
Feedback Pin. Set the output voltage by
selecting values for R1 and R2 (see Figure 1):
R
R
V
OUT
123
.
1
2
1
=
SHDN (Pin 4):
Shutdown Pin. Tie this pin to 0.9V or higher
to enable the device. Tie below 0.25V to turn off the device.
V
IN
(Pin 5):
Input Supply Pin. Bypass this pin with a
capacitor as close to the device as possible.
TEMPERATURE (
°
C)
S
1615/-1 G04
550
500
450
400
350
300
250–50
–25
0
25
50
75
100
V
IN
= 1.2V
V
IN
= 12V
TEMPERATURE (
°
C)
P
1615/-1 G05
400
350
300
250
200
150
100
50
0–50
–25
0
25
50
75
100
V
IN
= 12V
V
IN
= 1.2V
V
IN
= 12V
LT1615-1
LT1615
V
IN
= 1.2V
SHUTDOWN PIN VOLTAGE (V)
S
μ
A
1615/-1 G03
25
20
15
10
5
0
0
5
10
15
25
°
C
100
°
C
Switch Off Time
Shutdown Pin Current
Switch Current Limit
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PDF描述
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