Characteristics and specifications, Electrical characteristics, 1 electrical characteristics – Cirrus Logic CS1631 User 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
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 C L = 0.25nF, F sw 60 kHz - 5.8 - mA Reference CS1630 V BST = 200 V V BST = 400 V I ref - 133 - A Boost f BST(Max) - - 200 kHz Clamp Current I CLAMP - -3.8 - mA Dimmer Attach Peak Current CS1630 108 V line 132 207 V line 253 - 590 - mA Boost Zero-current Detect V BSTZCD(th) - 200 - mV ZCD Sink Current I BSTZCD -2 - - mA BSTAUX Upper Voltage I BSTZCD = 1mA - V DD +0.6 - V Boost Protection CS1630 108 V line 132 207 V line 253 - 146.7 - A A Second Stage Zero-current Detect V FBZCD(th) - 200 - mV ZCD Sink Current I FBZCD -2 - - mA FBAUX Upper Voltage I FBZCD = 1mA - V DD +0.6 - V Second Stage Current Sense V Pk_Max(th) - 1.4 - V Delay to Output - - 100 ns
Reference Current
CS1631
-
133
-
A
Maximum Switching Frequency
CS1631
-
508
-
mA
BSTZCD Threshold
Clamp Turn-on
CS1631
-
141.7
-
FBZCD Threshold
Peak Control Threshold