NCP1910GEVB ON Semiconductor, NCP1910GEVB Datasheet - Page 6

• Manufacturer Part Number: NCP1910GEVB
• Description: BOARD EVAL NCP1910DEMO-B-TLS
• Manufacturer: ON Semiconductor
• Series: -r

Specifications of NCP1910GEVB

• Design Resources: NCP1910 Schematic NCP1910GEVB BOM
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: -
• Voltage - Output: Adj down to 0.8V
• Current - Output: 3A
• Voltage - Input: 3 ~ 5.5 V
• Regulator Topology: Buck
• Frequency - Switching: 1MHz
• Board Type: Fully Populated
• Utilized Ic / Part: NCP1910
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: NCP1910GEVBOS

PG out
CS/FF
BO adj
PG adj
on/off
Vref
Rt
PFC_FB
Vdd
VCS1
Rpull up
on_off
+
"1" PGNOT OK
-
+
-
VCS2
Vref
PFC_OVP2
LLC_PG
+
-
+
-
Grand Reset
"1" BONOT OK
PFC_BO
on/off
"1" controller is off
"0" controller is on
Vrt
Onoff
Grand
Reset
Shut Down
R
TSD
"1" TSD is on
"0" TSD is off
S
Figure 5. Internal LLC Block Diagram
PFC_OK
"1" is ok
"0" notok
Dead time
Thermal
Vcc
management
Q
Q
tBOK
tBONOTOK
PFC_UVP
UVLO
LLC_BO
UVLO
R
R
Latch
+
-
"1" after reset
"0" when PG out
drops after 5 ms
20 ms delay
tdel1
Grand
Reset
"1" enables LLC
"0" LLC is locked
Latch
5 ms delay
tdel2
http://onsemi.com
Vdd
TSD
LLC_BO
D
Clk
6
R
S
LLC_PG
Q
Q
B
A
Grand Reset
Q
LLC_BO
Latch
R
S
Q
Grand Reset
B
Level
shifter
Pulse
Trigger
A
Grand
Reset
S
R
Prop. delay
matching
Q
Q
delay
Grand Reset
Grand
Reset
S
CLK
R
Skip: B version only
QN
+
Q
-
+
-
Hi side
UVLO
Vskip
SS_RST
Skip/GND_PFC
Mupper
Bridge
Vcc
Mlower
GND
Vboot
GND_LLC
SS