LTC1262 データシートの表示（PDF） - Linear Technology
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LTC1262 Datasheet PDF : 8 Pages
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LTC1262
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (VCC) ................................................ 6V
Input Voltage (SHDN) ................... – 0.3V to VCC + 0.3V
Output Current (IOUT) ........................................... 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
PACKAGE/ORDER I FOR ATIO
C1– 1
C1+ 2
C2– 3
C2+ 4
TOP VIEW
8 SHDN
7 GND
6 VOUT
5 VCC
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 100°C/W (N8)
TJMAX = 150°C, θJA = 150°C/W (S8)
ORDER PART
NUMBER
LTC1262CN8
LTC1262CS8
LTC1262IS8
S8 PART MARKING
1262
1262I
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
VCC = 4.75V to 5.5V, TA = – 40°C to 85°C, (Notes 2, 3), unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
VOUT
ICC
ISHDN
fOSC
RSW
VIH
VIL
tON
tOFF
Output Voltage
Supply Current
Shutdown Supply Current
Oscillator Frequency
Power Efficiency
VCC to VOUT Switch Impedance
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
Turn-On Time
Turn-Off Time
0mA ≤ IOUT ≤ 30mA, VSHDN = 0V, 0°C ≤ TA ≤ 70°C
q 11.4
12.6
0mA ≤ IOUT ≤ 30mA, VSHDN = 0V, – 40°C ≤ TA ≤ 85°C
q 11.2
12.6
No Load, VSHDN = 0V, 0°C ≤ TA ≤ 70°C
No Load, VSHDN = 0V, – 40°C ≤ TA ≤ 85°C
q
0.5
1.0
q
0.5
1.3
No Load, VSHDN = VCC
q
0.5
10
VCC = 5V, IOUT = 30mA
q
300
VCC = 5V, IOUT = 30mA
q
74
VCC = VSHDN = 5V, IOUT = 0mA
q
0.18
2
q
2.4
q
0.8
VCC = 5V, VSHDN = 0V, 0°C ≤ TA ≤ 70°C
VCC = 5V, VSHDN = 0V, – 40°C ≤ TA ≤ 85°C
VCC = 5V, VSHDN = 5V
C1 = C2 = 0.22µF, CIN = COUT = 4.7µF, (Figures 1, 2)
C1 = C2 = 0.22µF, CIN = COUT = 4.7µF, (Figures 1, 2)
q – 20
– 10
–5
q –35
–10
–5
q
0.06
10
500
3.3
UNITS
V
V
mA
mA
µA
kHz
%
kΩ
V
V
µA
µA
µA
µs
ms
The q 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.
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 VCC = 5V, TA = 25°C.
2
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