![](/html/Elantec/79257/page3.png)
Block Diagram
EL7512C - Preliminary
High Frequency PWM Step-Up Regulator
10kΩ 4.7nF
80.6kΩ
VOUT
47µF
FB
RT
100kΩ
MAX_DUTY
Reference
Generator
VREF
VRAMP
PWM
Comparato
VDD
Thermal
Shut-down
PWM
Logic
15µF
VIN
10µF
LX
0.3Ω
EN
LBO
LBI
-
+
210mV
Start-up
Oscillator
12µA
-
+
ILOUT
7.2k
SGND
SS
20nF
80mΩ
PGND
3