ncp5214 ON Semiconductor, ncp5214 Datasheet - Page 3

• Manufacturer Part Number: ncp5214
• Description: 2-in-1 Notebook Ddr Power Controller
• Manufacturer: ON Semiconductor

VTTREF
5VCC
5VCC
VDDQEN
VTTREF
PGOOD
VTTEN
COUT3
FPWM
VCCA
SS
VTTI
VCCA
PGND
VOCDDQ
VOCDDQ
VREF
VREF
+
−
REFERENCE
VOLTAGE &
CURRENT
GND
VCCA
+
+
−
−
AGND
Adaptive
Ramp
OSC
Deadband
Control
VREF
+
+
−
−
VOCDDQGD
SC2GND
SC2PWR
VDDQEN
VCCAGD
VREFGD
VTTEN
FPWM
FAULT
VDDQEN
VTTEN
Soft−Start
Current
Figure 2. Detailed Block Diagram
Limit &
INREGDDQ
PWM−
COMP
VDDQEN
VTTEN
CONTROL
Power−
Control
LOGIC
LOGIC
Saving
VDDQ
PWM
+
Loop
http://onsemi.com
−
INREGDDQ
Regulation
NCP5214
UVLO
Control
VTT
NEGATIVE CURRENT
ILIM
TSD
FBDDQ
SWDDQ
A
3
+
−
+
−
DETECTION
+
+
−
−
VFBDDQ
VREF
VREF
SHUTDOWN
THERMAL
VTTGND
VTTGND
VCCA
VCCA
OVLO
IREF
VTTGND
+
−
VFBDDQ
VBOOST
VCCP
VREF
VBOOST
VCCP
M1
M2
PGND
VTTGND
BGDDQ
PGND
COMP
FBDDQ
OCDDQ
SWDDQ
DDQREF
VTTI
VTT
FBVTT
TGDDQ
VCCP
BOOST
CZ1
RZ1
RL1
VTTGND
CP1
VTT
M3
M4
COUT2
RZ2
PGND
CZ2
CBULK
COUT1
L
R1
R2
VDDQ
5VCC
VIN