LTC1758-1 データシートの表示（PDF） - Linear Technology
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LTC1758-1
Linear Technology
LTC1758-1 Datasheet PDF : 16 Pages
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LTC1758-1/LTC1758-2
ABSOLUTE AXI U RATI GS (Note 1)
VIN to GND ............................................... – 0.3V to 6.5V
VPCA, VPCB Voltage ..................................... – 0.3V to 3V
PCTL Voltage ............................... – 0.3V to (VIN + 0.3V)
RF Voltage ........................................ (VIN – 2.2V) to 7V
IVCC, Continuous ....................................................... 1A
IVCC, 12.5% Duty Cycle .......................................... 2.5A
SHDN, TXEN, BSEL
Voltage to GND ............................ – 0.3V to (VIN + 0.3V)
IVPCA/B, 25% Duty Cycle ...................................... 20mA
Operating Temperature Range (Note 2) . – 30°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Maximum Junction Temperature ........................ 125°C
Lead Temperature (Soldering, 10 sec)................ 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
VIN 1
RF 2
SHDN 3
GND 4
8 VCC
7 VPCA
6 TXEN
5 PCTL
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 160°C/W
ORDER PART
NUMBER
LTC1758-1EMS8
MS8 PART MARKING
LTSL
Consult LTC Marketing for parts specified with wider operating temperature ranges.
VIN 1
RF 2
SHDN 3
BSEL 4
GND 5
TOP VIEW
10 VCC
9 VPCA
8 VPCB
7 TXEN
6 PCTL
MS10 PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 160°C/W
ORDER PART
NUMBER
LTC1758-2EMS
MS10 PART MARKING
LTSM
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, SHDN = TXEN = HI, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VIN Operating Voltage
IVIN Shutdown Current
IVIN Autozero Current
IVIN Operating Current
IVCC Current Limit
VIN to VCC Resistance
VPCA/B VOL
VPCA/B Dropout Voltage
VPCA/B Voltage Clamp
VPCA/B Output Current
VPCA/B Enable Time
VPCA/B Bandwidth
VPCA/B Load Capacitance
VPCA/B Slew Rate
VPCA/B Droop
VPCA/B TXEN Start Voltage
SHDN Input Threshold
TXEN, BSEL Input Threshold
SHDN = LO, TXEN = LO, BSEL = LO
SHDN = HI, TXEN = LO
SHDN = HI, TXEN = HI, IVPCA = IVPCB = 0mA, VPCA/B = HI
SHDN = LO, TXEN = LO
TXEN = HI, Open Loop, PCTL = –100mV
ILOAD = 5.5mA, VIN = 2.7V
RLOAD = 400Ω, PCTL = 2V, External Gain = 0.417
VPCA/B = 2.4V, VIN = 2.7V
VPCA/B = 2.6V, VIN = 3V
VPCTL = 2V Step, CLOAD = 100pF (Note 5)
CLOAD = 100pF, RLOAD = 400Ω (Note 8)
(Note 6)
VPCTL = 2V Step, CLOAD = 100pF (Note 3)
VIN = 2.7V, VPCTL = 2V Step
Open Loop, TXEN Low to High, CLOAD = 100pF (Note 9)
VIN = 2.7V to 6V, TXEN = LO
VIN = 2.7V to 6V
q 2.7
q
q
q
q
q 2.7
q 5.5
q6
q
q 180
q 0.75
500
q 0.35
q 0.35
6
V
1
µA
1
1.6
mA
1.1
1.7
mA
2.2
A
90
150
mΩ
0
0.1
V
VIN – 0.28
V
2.85
3.0
V
9
mA
10
mA
620
1000
ns
250
330
kHz
100
pF
1.3
V/µs
±1
µV/ms
600
700
mV
1.4
V
1.4
V
2
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