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AL9910/ AL9910A/ AL9910-5
Electrical Characteristics (@T A = +25°C, unless otherwise specified.)
Symbol
I INSD
Parameter
Shut-Down Mode Supply Current
Conditions
Pin PWM_D to GND,
V IN = V IN(MIN) (Note 6)
AL9910
AL9910-5
AL9910A
Min
Typ
0.50
0.65
Max
1
1.2
Unit
mA
V DD
Internally Regulated Voltage
V IN = V IN(MIN) ~500V, (Note 8)
l DD(ext) = 0, Gate pin open
AL9910
AL9910-5
AL9910A
7.0
9.5
7.5
10
8.0
11
V
I DD(ext)
V DD Current Available for External
Circuitry
V IN = V IN(MIN) to 100V (Notes 8 & 9)
1.0
mA
UVLO
V DD Under Voltage Lockout Threshold V DD rising
AL9910
AL9910-5
6.4
6.7
7
V
AL9910A
8.4
9
9.8
? UVLO
V DD Under Voltage Lockout Hysteresis
V DD falling
AL9910
AL9910-5
500
mV
AL9910A
750
R PWM_D
PWM_D Pull-Down Resistance
V PWM_D = 5V
150
200
250
k ?
V CS(HI)
Current Sense Threshold Voltage
Full ambient temperature range
(Note 10)
AL9910
AL9910A
AL9910-5
225
237.5
250
250
275
262.5
mV
V GATE(HI) GATE High Output Voltage
V GATE(LO) GATE Low Output Voltage
I OUT = 10mA
I OUT = -10mA
V DD -0.3
0
V DD
0.3
V
V
f OSC
D MAXhf
V LD
t BLANK
t DELAY
t RISE
t FALL
Oscillator Frequency
Maximum Oscillator PWM Duty Cycle
Linear Dimming Pin Voltage Range
Current Sense Blanking Interval
Delay From CS Trip to GATE lo
GATE Output Rise Time
GATE Output Fall Time
R OSC = 1M ?
R OSC = 226k ?
f PWMhf = 25kHz, at GATE,
CS to GND.
Full ambient temperature range (Note 10),
V IN = 20V
V CS = 0.45V, V LD = V DD
V IN = 20V, V LD = 0.15,
V CS = 0 to 0.22V after T BLANK
C GATE = 500pF
C GATE = 500pF
20
80
0
160
25
100
-
250
30
30
30
120
100
250
440
300
50
50
kHz
%
mV
ns
ns
ns
ns
T SD
T SDH
Thermal Shut Down
Thermal Shut Down Hysteresis
150
50
° C
θ JA
θ JC
Thermal Resistance Junction-to-
Ambient
Thermal Resistance Junction-to-Case
SO-8 (Note 11)
SO-8EP (Note 12)
SO-8 (Note 11)
SO-8EP (Note 12)
110
66
22
9
° C/W
° C/W
Notes:
8. V IN(MIN) for the AL9910 is 15V and for the AL9910A it is 20V.
9. Also limited by package power dissipation limit, whichever is lower.
10. Full ambient temperature range for AL9910-5S, AL9910AS and AL9910S is -40 to +85°C; for AL9910-5SP, AL9910ASP and AL9910SP is
-40°C to +105°C.
11. Device mounted on FR-4 PCB (25mm x 25mm 1oz copper, minimum recommended pad layout on top. For better thermal performance, larger
copper pad for heat-sink is needed.
12. Device mounted on FR-4 PCB (51mm x 51mm 2oz copper, minimum recommended pad layout on top layer and thermal vias to bottom layer ground
plane. For better thermal performance, larger copper pad for heat-sink is needed.
AL9910/ AL9910A/ AL9910-5
Document number: DS35103 Rev. 8 - 2
4 of 15
www.diodes.com
December 2012
? Diodes Incorporated
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