AL8808WT-7 Diodes Inc., AL8808WT-7 Datasheet - Page 3

• Manufacturer Part Number: AL8808WT-7
• Description: LED Lighting Drivers LED MV Int Switch TS Switch TSOT25 T&R 3K
• Manufacturer: Diodes Inc.

Specifications of AL8808WT-7

• Rohs: yes
• Input Voltage: 6 V to 30 V
• Operating Frequency: 1 MHz
• Maximum Supply Current: 450 uA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: TSOT-25
• Minimum Operating Temperature: - 40 C

Recommended Operating Conditions
Note:
Electrical Characteristics
Notes:
AL8808
Document number: DS35648 Rev. 2 - 2
T
Symbol
R
I
OTP-Hyst
V
R
SW_Lkg
V
V
V
V
T
I
V
DS(on)
CTRL
θ
θ
θ
Symbol
V
INSU
INSH
TH-H
SET
CTRL
I
REF
t
OTP
V
I
t
V
TH
JA
JT
Q
S
R
F
JL
CTRLDC
CTRLH
CTRLL
V
I
f
SW
SW
T
IN
J
4. Subject to ambient temperature, input voltage and switching frequency. See applications section for suggested derating.
5. Device mounted on FR-4 PCB (25mm x 25mm 1oz copper, minimum recommended pad layout on top layer and thermal vias to maximum area
…Refer to Figure 42 for the device derating curve.
bottom layer ground plane. For better thermal performance, larger copper pad for heat-sink is needed.
Internal Regulator Start Up Voltage
Internal Regulator Hysteresis Threshold
Quiescent Current
Input Supply Current
Set Current Threshold Voltage
Set Threshold Hysteresis
SET Pin Input Current
Open Circuit CTRL Pin Voltage
CTRL Pin Input Resistance
Internal Reference Voltage
On Resistance of SW MOSFET
Switch Leakage Current
SW Rise Time
SW Fall Time
Over-Temperature Shutdown
Over-Temperature Hysteresis
Thermal Resistance Junction-to-Ambient
Thermal Resistance Junction-to-Lead
Thermal Resistance Junction-to-Top
Operating Input Voltage Relative to GND
Voltage High for PWM Dimming Relative to GND
Voltage Range for 20% to 100% DC Dimming Relative to GND
Voltage Low for PWM Dimming Relative to GND
Continuous Switch Current (Note 4)
Maximum Switching Frequency
Junction Temperature Range
Parameter
(@ T
A
= +25°C, V
Parameter
V
V
V
f
V
Referred to internal 5V regulator.
I
V
V
V
TSOT25 (Note 5)
TSOT25 (Note 5)
TSOT25 (Note 5)
SW
SW
IN
IN
IN
SET
IN
SENSE
SW
IN
(@T
rising
falling
= 30V, output not switching
= 30V, V
= 250kHz
= 0.35A
= 12V, CTRL pin floating; unless otherwise specified.)
= 0.1V to 12V to 0.1V, C
= V
www.diodes.com
A
= 100 ±20mV, f
IN
= +25°C, unless otherwise specified.)
-0.1
CTRL
3 of 20
Conditions
= 0.4V, V
SW
= 250kHz
SENSE
L
= 15pF
= 0V
Min
95
Min
6.0
2.6
0.5
-40
0
0.35
Typ
200
350
450
100
±20
145
209
5.6
2.5
16
50
10
57
13
5
7
5
+125
Max
5.5
2.5
0.4
30
1
1
Max
105
0.5
© Diodes Incorporated
AL8808
January 2013
MHz
Unit
°C
°C/W
V
V
V
V
A
Unit
mV
mV
mV
µA
µA
µA
kΩ
µA
ns
ns
°C
°C
V
V
V
Ω