NCP1521UEVB ON Semiconductor, NCP1521UEVB Datasheet - Page 3

• Manufacturer Part Number: NCP1521UEVB
• Description: EVAL BOARD FOR NCP1521U
• Manufacturer: ON Semiconductor

Specifications of NCP1521UEVB

• Design Resources: NCP1521UEVB BOM NCP1521UEVB Schematic NCP1521UEVB Gerber Files
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 0.9 ~ 3.3 V
• Current - Output: 600mA
• Voltage - Input: 3.6V
• Regulator Topology: Buck
• Frequency - Switching: 1.5MHz
• Board Type: Fully Populated
• Utilized Ic / Part: NCP1521
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: NCP1521U
• Other names: NCP1521UEVBOS

CON2
VIN
CON2
VIN
1
2
1
2
GND1
JMP1
GND1
JMP1
VIN
VIN
GND2
JMP2
GND2
JMP2
C1
C1
4.7mF
4.7mF
TPVIN
TPVIN
TP1
TP1
VIN
EN
EN
VIN
ENABLE
CON3x1
ENABLE
CON3x1
Figure 3. Board Schematic in TSOP−5
Figure 4. Board Schematic in mDFN−6
NCP1521B – BOARD SCHEMATIC
1
2
3
1
2
3
1
2
3
1
2
3
VIN
GND
EN
EN
GND
VIN
U1
U1
NCP1521
NCP1521
VIN
GND
VIN
http://onsemi.com
FB
FB
LX
LX
5
4
6
5
4
TPEN
TPEN
TP2
TP2
FB
SW
SW
EN
EN
3
TPLX
TPLX
TP3
TP3
FB
2.2mH
2.2mH
L1
L1
VOUT
VOUT
R2
510k
R2
510k
R1
510k
R3
330k
R1
510k
R3
330k
SELECT
CON3x2
SELECT
CON3x2
R4
250k
R4
250k
C3
18pF
C3
18pF
4.7mF
4.7mF
C2
C2
TPVOUT
TPVOUT
TP4
TP4
FIX
FIX
H1
H1
FIX
FIX
H2
H2
1
2
1
2
VOUT
VOUT
CON2
CON2
FIX
FIX
H3
H3
FIX
FIX
H4
H4