參數(shù)資料
型號： LTC1262
廠商： Linear Technology Corporation
英文描述： Regulated 12V, 30mA output DC/DC converter.(12V穩(wěn)壓, 30mA輸出DC/DC變換器)
中文描述： 調(diào)節(jié)12V，30mA電流輸出DC / DC轉(zhuǎn)換器。（12V的穩(wěn)壓，30mA的輸出直流/直流變換器）
文件頁數(shù)： 2/8頁
文件大?。?/td> 198K
代理商： LTC1262
2
LTC1262
A
(Note 1)
Supply Voltage (V
CC
) ................................................ 6V
Input Voltage (SHDN)................... –0.3V to V
CC
+ 0.3V
Output Current (I
OUT
) ........................................... 50mA
Operating Temperature Range
LTC1262C................................................0
°
C to 70
°
C
LTC1262I........................................... –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
U
PACKAGE/ORDER U
ELECTRICAL CHARACTERISTICS
V
CC
= 4.75V to 5.5V, T
A
= –40
°
C to 85
°
C, (Notes 2, 3), unless otherwise noted.
SYMBOL
PARAMETER
Consult factory for Military grade parts.
1
2
3
4
8
7
6
5
TOP VIEW
C1
–
C1
+
C2
–
C2
+
SHDN
GND
V
OUT
V
CC
N8 PACKAGE
8-LEAD PDIP
S8 P
8-LEAD PLASTIC SO
T
JMAX
= 150
°
C,
θ
JA
= 100
°
C/W (N8)
T
JMAX
= 150
°
C,
θ
JA
= 150
°
C/W (S8)
CONDITIONS
MIN
TYP
MAX
UNITS
V
OUT
Output Voltage
0mA
≤
I
OUT
≤
30mA, V
SHDN
= 0V, 0
°
C
≤
T
A
≤
70
°
C
0mA
≤
I
OUT
≤
30mA, V
SHDN
= 0V, –40
°
C
≤
T
A
≤
85
°
C
No Load, V
SHDN
= 0V, 0
°
C
≤
T
A
≤
70
°
C
No Load, V
SHDN
= 0V, –40
°
C
≤
T
A
≤
85
°
C
G
G
11.4
11.2
12.6
12.6
V
V
I
CC
Supply Current
G
G
0.5
0.5
1.0
1.3
mA
mA
I
SHDN
Shutdown Supply Current
No Load, V
SHDN
= V
CC
G
0.5
10
μ
A
f
OSC
Oscillator Frequency
V
CC
= 5V, I
OUT
= 30mA
G
300
kHz
Power Efficiency
V
CC
= 5V, I
OUT
= 30mA
G
74
%
R
SW
V
CC
to V
OUT
Switch Impedance
V
CC
= V
SHDN
= 5V, I
OUT
= 0mA
G
0.18
2
k
V
IH
SHDN Input High Voltage
G
2.4
V
V
IL
SHDN Input Low Voltage
G
0.8
V
SHDN Input Current
V
CC
= 5V, V
SHDN
= 0V, 0
°
C
≤
T
A
≤
70
°
C
V
CC
= 5V, V
SHDN
= 0V, –40
°
C
≤
T
A
≤
85
°
C
V
CC
= 5V, V
SHDN
= 5V
C1 = C2 = 0.22
μ
F, C
IN
= C
OUT
= 4.7
μ
F, (Figures 1, 2)
C1 = C2 = 0.22
μ
F, C
IN
= C
OUT
= 4.7
μ
F, (Figures 1, 2)
G
G
G
–20
–35
–10
–10
0.06
–5
–5
10
μ
A
μ
A
μ
A
t
ON
Turn-On Time
500
μ
s
t
OFF
Turn-Off Time
3.3
ms
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.
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 the device may be impaired.
ORDER PART
NUMBER
LTC1262CN8
LTC1262CS8
LTC1262IS8
S8 PART MARKING
1262
1262I
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