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UP1561 Datasheet(PDF) 2 Page - uPI Group Inc.

Part # UP1561
Description  Synchronous Buck Controller with 3A VTT LDO for Memory Power Solution
PDF  17 Pages
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Manufacturer  UPI [uPI Group Inc.]
Direct Link  http://www.ubiq-semi.com/
Logo UPI - uPI Group Inc.

UP1561 Datasheet(HTML) 2 Page - uPI Group Inc.

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uP1561
Conceptual
2
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. C00, File Name: uP1561-DS-C0000
Typical Application Circuit
1
POK
CS
VCC5
CS_GND
PVCC5
PGND
VTTGND
VTTSNS
GND
MODE
VTTREF
COMP
VIN
5V_IN
R4
POK
S5
S3
VTT
VQFN4x4-24L
R3
VDDQ
VREF
R2
2
3
4
5
6
24
23
22
21
20
19
18
17
16
15
14
13
7
8
9
10
11
12
25
PGND
Pin Configuration
10
9
8
7
PGND
CS
VTTSNS
MODE
VTTGND
25
PGND
16
15
14
13
3
4
5
6
23
22
21
24
CS_GND
VQFN4x4 – 24L
GND
PVCC5
12
11
COMP
VTTREF
18
17
VCC5
20
19
POK
1
2
VCC5
CS
GND
MODE
21
GND
13
12
3
4
WQFN3x3–20L
PGND
15
14
VTTSNS
1
2
VTTGND
VTTREF
5
POK
11
LGATE
Pin Define
The symbol arrange same as 74.51116.073
The pin define same as spec.
Add Pin25
is "PGND"



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