ncp1578 ON Semiconductor, ncp1578 Datasheet - Page 2
![no-image](/images/manufacturer_photos/0/4/495/on_semiconductor_sml.jpg)
ncp1578
Manufacturer Part Number
ncp1578
Description
Synchronous Step Down Controller With 50ma Linear Regulator
Manufacturer
ON Semiconductor
Datasheet
1.NCP1578.pdf
(22 pages)
- Current page: 2 of 22
- Download datasheet (2Mb)
EN_LDO
PG_DLY
PGOOD
EN_SW
FPWM
AGND
FOFF
VBAT
SS
AGND
VREF - 35%
VREF + 15%
VREF - 15%
FB
AGND
SOFT START
CONTROL
FB
PROGRAMMABLE
+
-
+
-
+
-
OVP
PGth
UVP
DELAY
VCC
SHUTDOWN
CONTROL
Figure 1. Detailed Block Diagram
THERMAL
DETAILED BLOCK DIAGRAM
LOGIC
TSD
http://onsemi.com
ADAPTIVE
RAMP
NCP1578
INREGOUT
OSC
FAULT
2
OC
CONTROL
UVLO
CONTROLLER
SMPS PWM
VREF
5V LDO
REFERENCE
VCC
VREF
OCSET
VBST
TG
SWN
VCCP
BG
PGND
COMP
FB
LDO5
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