AL9910SP-13 datasheet(4/15 Pages) DIODES

Part #	AL9910SP-13

Description	UNIVERSAL HIGH VOLTAGE HIGH BRIGHTNESS LED DRIVER

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Manufacturer	DIODES [Diodes Incorporated]

Direct Link	http://www.diodes.com

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AL9910/AL9910A/AL9910-5

UNIVERSAL HIGH VOLTAGE HIGH BRIGHTNESS LED

DRIVER

AL9910/AL9910A/AL9910-5

Document number: DS 35103 Rev. 3 - 2

4 of 15

www.diodes.com

June 2011

Electrical Characteristics

(Over recommended operating conditions unless otherwise specified - TA = 25°C)

Specifications apply to AL9910, AL9910A and AL9910-5 unless otherwise specified

Symbol

Parameter

Conditions

Min

Typ.

Max

Unit

IInsd

Shut-down mode supply current

Pin PWM_D to GND,

VIN = VIN(Min) (Note 5)

AL9910

0.50

1

mA

AL9910A

0.65

1.2

VDD

Internally regulated voltage

VIN = VIN(Min)~500V, (Note 5)

lDD(ext)=0, Gate pin open

AL9910

7.0

7.5

8.0

V

AL9910A

9.5

10

10.5

IDD(ext)

VDD current available for external

circuitry

VIN = VIN(Min) to 100V (Note 5 & 6)

1.0

mA

UVLO

VDD under voltage lockout

threshold

VDD rising

AL9910

6.4

6.7

7

V

AL9910A

8.4

9

9.6

∆UVLO

VDD under voltage lockout

hysteresis

VDD falling

AL9910

500

mV

AL9910A

750

RPWM_D PWM_D pull-down resistance

VPWM_D = 5V

150

200

250

k

Ω

VCS(hi)

Current sense threshold voltage

TA = -40°C to +85°C

AL9910/A

225

250

275

mV

AL9910-5

237.5

250

262.5

VGATE(hi) GATE high output voltage

IOUT = 10mA

VDD -0.3

VDD

V

VGATE(lo) GATE low output voltage

IOUT = -10mA

0

0.3

V

fOSC

Oscillator frequency

ROSC = 1MΩ

20

25

30

kHz

ROSC = 226kΩ

80

100

120

DMAXhf

Maximum Oscillator PWM Duty

Cycle

fPWMhf = 25kHz, at GATE,

CS to GND.

100

%

VLD

Linear Dimming pin voltage range TA = <85°C, VIN = 20V

0

-

250

mV

tBLANK

Current sense blanking interval

VCS = 0.45V, VLD = VDD

160

250

440

ns

tDELAY

Delay from CS trip to GATE lo

VIN = 20V, VLD = 0.15,

VCS = 0 to 0.22V after TBLANK

300

ns

tRISE

GATE output rise time

CGATE = 500pF

30

50

ns

tFALL

GATE output fall time

CGATE = 500pF

30

50

ns

TSD

Thermal shut down

150

°C

TSDH

Thermal shut down hysteresis

50

θJA

Thermal Resistance Junction-to-

Ambient

SO-8 (Note 7)

110

°C/W

SO-8EP (Note 8)

66

θJC

Thermal Resistance Junction-to-

Case

SO-8 (Note 7)

22

°C/W

SO-8EP (Note 8)

9

Notes:

5. VIN(Min) for the AL9910 is 15V and for the AL9910A it is 20V

6. Also limited by package power dissipation limit, whichever is lower.

7. 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.

8. 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.

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