Electrical Characteristics - Analog Devices LINEAR LTM 8005 Manual

ELECTRICAL CHARACTERISTICS

temperature range, otherwise specifications are at T
PARAMETER
Minimum Input Voltage
LED DC Current
SW Current Limit
SW R
DS(ON)
ISMON Voltage
Quiescent Current into V
IN
V Voltage
REF
V Line Regulation
REF
V Load Regulation
REF
SS Current
I Overcurrent Threshold
LED
ISN-LED R
DS(ON)
VC Output Impedance
VC Standby Input Bias Current
VC Pin Current
Voltage at FB pin
FB Amplifier g
m
FB Pin Input Bias Current
FB OPENLED Threshold
FB Overvoltage Threshold
FB SHORTLED Threshold
LED Current C/10 Threshold
Input Current Limit Threshold
IVINCOMP Voltage
Switching Frequency
Switching Frequency Modulation
RAMP Input Low Threshold
RAMP Input High Threshold
RAMP Pin Source Current
RAMP Pin Sink Current
CTRL1, CTRL2 Pin Current
PWM Input Threshold Rising
PWM Pin Bias Current
The denotes the specifications which apply over the specified operating
l
= 25°C. CTRL1 = CTRL2 = PWM = 5V, unless otherwise noted (Note 2).
A
CONDITIONS
CTRL1 = 1.5V
CTRL1 = 0.6V
CTRL1 = 0.2V
I = 1.5A
LED
EN/UVLO = 0V (Disabled), PWM = 0V
EN/UVLO = 1.15V, PWM = 0V
RT = 82.5K to GND, FB = 1.5V (Not Switching)
I = –100µA
REF
5V < V < 48V
IN
–100µA < I < 0µA
REF
Sourcing, SS = 0V
Sinking, I Overcurrent
LED
PWM = 0V
VC = 1.2V, Sourcing
VC = 1.2V, Sinking
Current Out of Pin, FB = V
FB
OPENLED Falling
SHORTLED Falling
IVINP – IVINN
IVINP – IVINN = 60mV
RT = 82.5k
RT = 26.1k
RT = 6.65k
RAMP = 2V
RAMP = 0.4V
RAMP = 1.6V
CTRL1, CTRL2 = 1V
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LTM8005
MIN TYP MAX
5
l
1.65
0.8
0.16
10 12 14
19
0.88 0.96
35
40
3.5
1.95 2.00 2.08
l
0.1
1
28
2.8
2.4
53
2000
–20 20
10
30
1.23 1.25 1.27
l
500
200
1.176 1.222
1.26 1.34
300 350
0.16
53 67
1.2
85 105 125
240 300 360
800 1000 1200
70
1
2
12
12
200
1
10
UNITS
V
A
A
A
A
mΩ
V
µA
µA
mA
V
%
%
µA
µA
A
mΩ
kΩ
nA
µA
µA
V
µS
nA
V
V
mV
A
mV
V
kHz
kHz
kHz
%
V
V
µA
µA
nA
V
µA
Rev. B
3