BW6562A Datasheet, PDF (5/15 Pages) Bruckewell Technology LTD – High PFC LED Driver

BW6562A High PFC LED Driver
Electrical Characteristics (continued)
(Over recommended operating conditions unless otherwise specified. V_CC 12V, T_J - 25°C ~ +125°C, C_O 1nF)
Parameter
Triggering voltage ^{(Note 5)}
Input bias current
Symbol
V_ZCDT
I_ZCDB
Min.
Typ.
0.7
2
Max.
Unit
V
µA
Condition
Negative-going edge
V_ZCD 1.0V ~ 4.5V
Source current capability I_ZCD(SOURCE)
-2.5
mA
Sink current capability
I_ZCD(SINK)
2.5
mA
Output over-voltage
Dynamic OVP triggering
current
Hysteresis ^{(Note 5)}
I_OVP
ΔI_OVP
27
µA
20
µA
Static OVP threshold
V_OVP(TH)
2.10
2.25
2.40
V
Current sense comparator
Input bias current
I_CS
-1
µA
V_CS 0V
Leading edge blanking
t_LEB
100
200
300
ns
Delay to output
t_D(H-L)
175
ns
Current sense clamp
Current sense offset
V_CS
V_{CS(OS_0V)}
V_{CS(OS_2.5V)}
1.00
1.08
25
5
1.16
V
V_COMP Upper clamp,
V_MULT 1.5V
mV
V_MULT 0V
V_MULT 2.5V
Starter
Start timer period
t_START
75
190
300
µs
GATE driver
Output low voltage
V_OL
0.6
1.2
V
I_SINK 100mA
Output high voltage
V_OH
9.8
10.3
V
I_SOURCE 5mA
Peak source current
I_SOURCE(PK)
-0.6
A
Peak sink current
I_SINK(PK)
0.8
A
Voltage fall time
t_FALL
30
70
ns
Voltage rise time
t_RISE
60
110
ns
Output clamp voltage
V_O(CLAMP)
10
12
15
UVLO saturation
V_UVLO(SAT)
1.1
Note：
4. The multiplier output is given by :
VCS K V_MULT (V_COMP – 2.5)
5. Parameters guaranteed by design, functionality tested in production.
V
I_SOURCE 5mA, V_CC 20V
V
V_CC 0V ~ V_CC(ON), I_SINK 2mA
© 2012 Bruckewell Technology Corp., Ltd.
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