Cirrus Logic CS1631 - Manual (Page 6)

CS1630/31
6 DS954F3
3. CHARACTERISTICS AND SPECIFICATIONS
3.1 Electrical Characteristics
Typical characteristics conditions:
• T
A
= 25ºC, V
DD
= 12V, GND = 0V
• All voltages are measured with respect to GND.
• Unless otherwise specified, all currents are positive
when flowing into the IC.
Minimum/Maximum characteristics conditions:
• T
J
= -40°C to +125°C, V
DD
= 11V to 17V, GND = 0V
Parameter Condition Symbol Min Typ Max Unit
VDD Supply Voltage
Operating Range
After Turn-on V
DD
11 - 17 V
Turn-on Threshold Voltage V
DD
Increasing V
ST(th)
- 8.5 - V
Turn-off Threshold Voltage (UVLO) V
DD
Decreasing V
STP(th)
- 7.5 - V
Zener Voltage (Note 1) I
DD
= 20mA V
Z
18.5 - 19.8 V
VDD Supply Current
Startup Supply Current
V
DD ST(th)
I
ST
- - 200 A
Operating Supply Current (Note 5) C
L
= 0.25nF, F
sw
60 kHz - 5.8 - mA
Reference
Reference Current
CS1630
CS1631 V
BST
= 200 V
V
BST
= 400 V
I
ref
-
- 133
133 -
- A
A
Boost
Maximum Switching Frequency
f
BST(Max)
- - 200 kHz
Clamp Current I
CLAMP
- -3.8 - mA
Dimmer Attach Peak Current
CS1630
CS1631 108  V
line
132
207  V
line
253
-
- 590
508 -
- mA
mA
Boost Zero-current Detect
BSTZCD Threshold
V
BSTZCD(th)
- 200 - mV
ZCD Sink Current (Note 2) I
BSTZCD
-2 - - mA
BSTAUX Upper Voltage I
BSTZCD
= 1mA - V
DD
+0.6 - V
Boost Protection
Clamp Turn-on
CS1630
CS1631 108  V
line
132
207  V
line
253
-
- 146.7
141.7 -
- A
A
Second Stage Zero-current Detect
FBZCD Threshold
V
FBZCD(th)
- 200 - mV
ZCD Sink Current (Note 2) I
FBZCD
-2 - - mA
FBAUX Upper Voltage I
FBZCD
= 1mA - V
DD
+0.6 - V
Second Stage Current Sense
Peak Control Threshold
V
Pk_Max(th)
- 1.4 - V
Delay to Output - - 100 ns