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UL22G-SH2-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # UL22G-SH2-R
Description  LED DRIVER CONTROLLER
PDF  13 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UL22G-SH2-R Datasheet(HTML) 5 Page - Unisonic Technologies

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UL22
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 13
www.unisonic.com.tw
QW-R125-088.a
ELECTRICAL CHARACTERISTICS (VDD=18V, TA=25°C unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX
UNIT
Supply Voltage (VDD Pin)
Startup Current
IST
VDD=10V
20
μA
Operating Current
IDD
VDD=18V; DRV=FOSC, CL-DRV=1nF
3
mA
Turn-on Threshold Voltage
VDD-ON
14.5
15.0
16.5
V
Turn-off Threshold Voltage Note: DRV
Mini Level must be Higher than 6V
VDD-OFF
8
9.5
11
V
CLK Portion Turn-off and Reset Logic
Threshold Voltage
VDD-RESET
4.0
V
VDD OVP Threshold
VDD-OVP
24
25.5
27
V
VDD Clamp Voltage
VDD-CLAMP 20mA Sink Capability
28.5
V
Internal OTA (FB and COMP pin)
Reference for Non-Inverting Input
VOTAP
TA=25°C
239
252
265
mV
Over Current Protection Threshold
Voltage
VFB-OCP
0.75
0.8
0.85
V
Min. Duty Voltage on COMP pin
VCOMP-MIN
0.5
0.55
0.6
V
Internal CLK Comparator (CLK Pin)
Threshold for Line Cycle Detection
VCLK-ON
1.45
1.5
1.55
V
Threshold for Line Cycle Detection
VCLK-OFF
0.8
1.0
1.2
V
Debounce Time for CLK Detection
tCLK
DRV=FOSC
19
ms
Color Control Output (SW1/SW2 Pin)
Rise Time
tSWR
CL=1nF
70
135
200
μs
Fall Time
tSWF
CL=1nF
40
80
120
μs
Gate Clamp Voltage
VSW-CLAMP VDD=22V
18
20
V
Oscillator
Normal Frequency
FOSC
VDD=18V
62
66
70
kHz
Maximum Duty Cycle PWM
DCMAX Centre FOSC=67KHz
75
79
83
%
Minimum On-Time
tON-MIN DRV=FOSC
250
ns
Current Sense (CS pin)
Current Limit Threshold
VCL
VCOMP=5V, VFB=0.1V
0.75
0.8
0.85
V
2nd OCP Threshold
VSC
CS Pin
1.05
1.15
1.25
V
Frequency Fold Back Time-Out
tFOLD-BACK VCS>1V
40
45
50
μs
GATE Drive Output (DRV Pin)
Rise Time
tR
CL=1nF, VDD=15.0V, 10~90%
40
70
100
ns
Fall Time
tF
CL=1nF, VDD=15.0V, 90~10%
20
50
80
ns



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