參數資料
型號: LTC1263
廠商: Linear Technology Corporation
英文描述: Regulated 12V, 60mA output DC/DC converter.(12V穩(wěn)壓, 60mA輸出DC/DC變換器)
中文描述: 調節(jié)12V,60mA的輸出直流/直流轉換器。(12V的穩(wěn)壓,60mA的輸出直流/直流變換器)
文件頁數: 2/8頁
文件大?。?/td> 195K
代理商: LTC1263
2
LTC1263
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
Consult factory for Industrial and Military grade parts and TSSOP package
option.
4.75V
V
CC
5.5V, T
A
= 0
°
C to 70
°
C (Notes 2, 3).
ELECTRICAL CHARACTERISTICS
SYMBOL
V
OUT
I
CC
I
SHDN
f
OSC
PARAMETER
Output Voltage
CONDITIONS
0mA
I
OUT
60mA, V
SHDN
= 0V
No Load, V
SHDN
= 0V
No Load, V
SHDN
= V
CC
V
CC
= 5V, I
OUT
= 60mA
V
CC
= 5V, I
OUT
= 60mA
V
CC
= V
SHDN
= 5V, I
OUT
= 0mA
MIN
11.4
TYP
MAX
12.6
UNITS
G
V
Supply Current
G
0.32
1.0
mA
Shutdown Supply Current
G
0.5
10
μ
A
Oscillator Frequency
300
kHz
Power Efficiency
76
%
R
SW
V
IH
V
IL
V
CC
to V
OUT
Switch Impedance
SHDN Input High Voltage
G
0.3
1
k
G
2.4
V
SHDN Input Low Voltage
G
0.8
V
SHDN Input Current
V
CC
= 5V, V
SHDN
= 0V
V
CC
= 5V, V
SHDN
= 5V
C1 = C2 = 0.47
μ
F, C3 = C4 = 10
μ
F (Note 4) (Figures 1, 2)
G
– 40
– 20
–5
μ
A
G
–10
0
10
μ
A
t
ON
t
OFF
Turn-On Time
600
μ
s
Turn-Off Time
C1 = C2 = 0.47
μ
F, C3 = C4 = 10
μ
F (Figures 1, 2)
10
ms
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified.
Note 3:
All typicals are given at V
CC
= 5V, T
A
= 25
°
C.
Note 4:
A higher value output capacitor can be used but the “turn-on” and
“turn-off” time will increase proportionally.
Supply Voltage (V
DD
)................................................. 6V
Input Voltage (SHDN).....................–0.3V to V
CC
+ 0.3V
I
OUT
Continuous.................................................... 90mA
Operating Temperature Range.....................0
°
C to 70
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
T
JMAX
= 125
°
C,
θ
JA
= 150
°
C/W
1
2
3
4
8
7
6
5
TOP VIEW
SHDN
GND
V
OUT
V
CC
C1
C1
+
C2
C2
+
S8 PACKAGE
8-LEAD PLASTIC SO
LTC1263CS8
ORDER PART
NUMBER
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