aoz1950 Alpha & Omega Semiconductor, aoz1950 Datasheet - Page 3

• Manufacturer Part Number: aoz1950
• Description: Boost Regulator White Led Driver
• Manufacturer: Alpha & Omega Semiconductor

Absolute Maximum Rating
Exceeding the Absolute Maximum Ratings may damage
the device
Note:
1. Devices are inherently ESD sensitive, handling
Electrical Characteristics
T
A
VIN to AGND
LX, VOUT to AGND
DIM, EN, FB, COMP, IND
PGND to AGND
Storage Temperature (T
ESD Rating
POWER SWITCH
PROTECTIONS
LOGIC INPUTS
Rev. 1.0 January 2010
V
V
= 25°C, V
R
V
I
R
F
V
NMOS_OFF
V
Symbol
V
precautions are required. Human body model rating:
1.5kΩ in series with 100pF.
I
T
VOUT_OVP
VOUT_HYS
VIN
I
NMOS_ON
VIN
PMOS_ON
PWM_DIM
EN_HIGH
VIN
VIN
SD_HYS
EN_LOW
T
V
T
V
T
I
I
LIM
OFF
_
FB
VIN
_
SS
SD
FB
_
_
UVLO
OFF
HYS
ON
Parameter
(1)
IN
= 3.3V, unless otherwise specified.
VIN Supply Voltage
VIN UVLO Threshold
VIN UVLO Hysteresis
VIN Quiescent Current
VIN Shutdown Current
FB Regulation Voltage
FB Input Bias Current
OFF Pulse Time
Soft-Start Time
NMOS On Resistance
NMOS Leakage Current
PMOS On Resistance
Current Limit
OVP Threshold
OVP Threshold Hysteresis
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
EN Logic High Threshold
EN Logic Low Threshold
PWM Dimming Frequency
Range
S
)
Parameter
-65°C to +150°C
Rating
-0.3V to +0.3V
-0.3V to +60V
-0.3V to +6V
VIN +0.3V
VIN rising
EN = VIN
EN = GND
EN = VIN
FB = 250mV
VIN = 4.2V, VOUT = 30V
Number of LEDs = 6
EN = VIN, I
EN = GND, LX = 60V
EN = VIN, I
VOUT Rising
Temperature Rising
Enable Rising
www.aosmd.com
2kV
NMOS
PMOS
Maximum Operating Ratings
The device is not guaranteed to operate beyond the
Maximum Operating Ratings.
Condition
Supply Voltage (V
Ambient Temperature (T
Package Thermal Resistance
3x3 DFN-10 (Θ
= 500mA
= 500mA
Parameter
JA
)
IN
)
A
)
Min.
0.75
285
2.7
1.5
0.2
49
Typ.
0.35
0.45
145
200
300
150
1.1
53
35
4
2
Max.
Rating
0.55
0.65
1.35
315
200
-40°C to +85°C
5.5
2.6
1.5
0.4
57
1
2
1
AOZ1950
2.7V to 5.5V
Page 3 of 14
40°C/W
Units
kHz
mV
mA
mV
μA
ms
μA
nA
°C
°C
ns
V
V
Ω
Ω
A
V
V
V
V