UH8615 Datasheet, PDF (5/9 Pages) Unisonic Technologies – HID LAMP CONTROLLER

UH8615
 BLOCK DIAGRAM
Preliminary
CMOS IC
50µA
OSC 21
50K
X1
10V
BOOST 18
100kHz
OSC
TQ
DIVPAUSE 24- BAT
22
5V
24
390Hz
7 Bit Divider
Q
T
Q
50k
15 QOUT
9 QOUT
17 PUMPOUT
IC Power
ISENSEIN 23
COMP ²⁶
X10
+
-
-
FB ²⁷
2.5V
2V -
+
delay
R
19 PWMOUT
S
Q
R
R
+
-
R
R
VOUT SENSE 11
-
83mV +
+
Q
5V -
RS
5V
0.5V ^0.82V
+
-
SLOPEC ²
X1
100nA ^0.268V
LOAD ISENSE ⁵
LPOWER ⁷
WARMUPC ³
4.2V
200nA
39nA
10V
100nA
11nA
2.5V
ADJ 8 ^20nA
Reference
0V
+
-
5.6V From
Boost
5V
83k
10k
-
Master ⁺
Bias
To Current Sinks
14 NOTON
250nA
VCC
+
12 FLTC
- 5V _50nA
13 _FLT
6 WARMUPV
28
5VREF
10
ISET
1
BYPASS
16
V_CC
20
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 9
QW-R118-019.a