LT1186F Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LT1186F Datasheet PDF : 16 Pages
| |||
LT1186F
ELECTRICAL CHARACTERISTICS
TA = 25°C, VCC = SHUTDOWN = DIN = CS = 3.3V, BAT = Royer = BULB = 12V, ICCFL = CCFL VSW = Open, DOUT = Three-State, DIO = IOUT
= CLK = GND, CCFL VC = 0.5V, unless otherwise specified.
SYMBOL
ILIM
VSAT
∆IQ
∆ISW
PARAMETER
CONDITIONS
CCFL High-Side Sense Servo Current ICCFL = 100µA, I(VC) = 0µA at CCFL VC = 1.5V
TJ < 0°C
CCFL High-Side Sense Servo Current BAT = 5V to 30V, ICCFL = 100µA,
Line Regulation
I(VC) = 0µA at CCFL VC = 1.5V
CCFL High-Side Sense Supply Current Current Measured into BAT and Royer Pins
BULB Protect Servo Voltage
ICCFL = 100µA, I(VC) = 0µA at CCFL VC = 1.5V,
Servo Voltage Measured between BAT and BULB Pins
BULB Input Bias Current
CCFL Switch Current Limit
ICCFL = 100µA, I(VC) = 0µA at CCFL VC = 1.5V
Duty Cycle = 50%
Duty Cycle = 75% (Note 3)
CCFL Switch On Resistance
Supply Current Increase During
CCFL Switch On Time
CCFL ISW = 1A
CCFL ISW = 1A
DAC Resolution
DAC Full-Scale Current
V(IOUT) = 0.465V, Measured in SPI Mode
DAC Zero Scale Current
DAC Differential Nonlinearity
DAC Supply Voltage Rejection
Logic Input Current
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
IOZ
Three-State Output Leakage
SERIAL INTERFACE (Notes 4, 5)
fCLK
tCKS
tCSS
tDV
tDS
tDH
tDO
tCKHI
tCKLO
tCSH
tDZ
tCKH
Clock Frequency
Setup Time, CLK↓ Before CS↓
Setup Time, CS↓ Before CLK↑
CS↓ to DOUT Valid
Data in Setup Time Before CLK↑
Data in Hold Time After CLK↑
CLK↓ to DOUT Valid
CLK High Time
CLK Low Time
CLK↓ Before CS↑
CS↑ to DOUT In Hi-Z
CS↑ Before CLK↑
V(IOUT) = 0.465V, Measured in SPI Mode
3V ≤ VCC ≤ 6.5V, IOUT = Full Scale, V(IOUT) = 0.465V
0V ≤ VIN ≤ VCC
VCC = 3.3V
VCC = 5V
VCC = 3.3V
VCC = 5V
VCC = 3.3V, IO = 400µA
VCC = 5V, IO = 400µA
VCC = 3.3V, IO = 1mA
VCC = 5V, IO = 2mA
VCS = VCC
See Test Circuits
See Test Circuits
See Test Circuits
MIN
q 0.93
q 0.91
q 50
q 6.5
q 1.25
q 0.9
q
48.5
q 47.0
q
q
q
q 1.9
q2
q
q
q 2.1
q 2.4
q
q
q
q
q 150
q 400
q 150
q 150
q 150
q 150
q 200
q 250
q 150
q
q
TYP MAX
1.00 1.07
1.00 1.07
0.1 0.16
100 150
7.0 7.5
5
9
1.9 3.0
1.6 2.6
0.6 1.0
20 30
8
50 51.5
50 53.0
200
± 2.0
2
4
±1
0.45
0.80
0.4
0.4
±5
2
400
400
UNIT
A
A
%/ V
µA
V
µA
A
A
Ω
mA/A
Bits
µA
µA
nA
LSB
LSB
µA
V
V
V
V
V
V
V
V
µA
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3
Share Link: 