cs51412g ON Semiconductor, cs51412g Datasheet - Page 6

• Manufacturer Part Number: cs51412g
• Description: 1.5a, 260 Khz And 520 Khz, Low Voltage Buck Regulators With External Bias Or Synchronization Capability
• Manufacturer: ON Semiconductor

BIAS
V
V
FB
IN
2.9 V LDO
Regulator
Voltage
1.270 V
Comparator
Shutdown
-
+
1.46 V
1.3 V
CS51411, CS51412, CS51413, CS51414
+
-
SHDNB
Amplifier
+
-
Error
-
+
V
∑
Figure 2. Block Diagram
C
PWM Com‐
http://onsemi.com
0.32 V
parator
5.0 mA
-
+
Artificial
Ramp
+
-
6
Limit Foldback
+
-
and Current
Frequency
Oscillator
SYNC
Limit Com‐
Current
parator
I
FOLDBACK
-
+
S
R
Q
Shutdown
Thermal
I
REF
Output
Driver
V
GND
BOOST
SW