sc1480a Semtech Corporation, sc1480a Datasheet

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sc1480a

Manufacturer Part Number
sc1480a
Description
Sc1480a Ddr And Ddr Memory Vtt Power Supply Controller
Manufacturer
Semtech Corporation
Datasheet
R E F O U T
P G O O D
V T T
C 8
0 u 1
10k0
10k0
R 1
R 6
V D D Q
V B A T
R 2
R T O N
C 6
1 n
C 3
1 u
R 7
1 0 R
R 3
5 V S U S
R 4
1 0 R
C 7
1 u
1
2
3
4
5
6
7
U 1
R E F I N
T O N
R E F O U T
V C C A
F B
P G D
V S S A
5
S C 1 4 8 0 A
P G N D
V D D P
ILIM
B S T
D H
D L
L X
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
1 4
1 3
1 2
1 1
1 0
9
8
5 V R U N
C 5
1 u
R 5
D 1
R L I M
C 1
0 u 1
Q 1
Q 2
V B A T
C 2
1 0 u
L 1
+
C 4
V T T

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sc1480a Summary of contents

Page 1

10k0 ...

Page 2

Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time ...

Page 3

Test Conditions 2.5V, REFIN = 1.25, VCCA = VDDP = 5.0V, V BAT ...

Page 4

Test Conditions 2.5V, REFIN = 1.25, VCCA = VDDP = 5.0V, V BAT ...

Page 5

LX DL tplhDL VCCA (4) REFIN (1) TON ( REFOUT ( PGD (6) VSSA ( tplhDH POR / ...

Page 6

TOP VIEW REFIN 1 14 TON 2 13 REFOUT 3 12 VCCA PGD 6 9 VSSA 7 8 (14 Pin TSSOP ...

Page 7

TON µ V OUT BAT ...

Page 8

TIME Valley Current-Limit Threshold Point ILIM I 10e A LIMIT R SENSE I PEAK I LOAD I LIMIT ...

Page 9

ON ( MIN ) DUTY MIN ) OFF ( MAX ) ...

Page 10

VBAT ( MIN ) tON V OUT VBAT ( MIN ) V t BAT ( MIN ) ON _ VBAT ( MIN V OUT f SW ...

Page 11

ON _ VBAT VBAT ( MIN ) BAT ( MIN ) OUT VBAT ( MAX ) BAT ( MAX ) OUT ...

Page 12

V V ERR V OUT POS OUT DC POSLIM V TOL V TR OUT TR I RIPPLE _ VBAT ( MAX I OUT OUT ( MIN ) 2 POSLIM V TR OUT _ I ...

Page 13

P VCCA VCCA 1100 108 100 342 108 W ...

Page 14

10k0 715k 470k 0402 0402 0402 0402 ...

Page 15

0402 0u1 10k0 0402 0402 0402 0402 ...

Page 16

0603 0u1 10k0 0402 0402 0402 0402 ...

Page 17

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Page 18

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Page 19

BAT 20V BAT 0.0 0.5 1.0 1.5 I (A) OUT 400 BAT 350 300 250 V = 20V BAT 200 150 ...

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