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EL7641ILTZ Datasheet(PDF) 6 Page - Renesas Technology Corp

Part # EL7641ILTZ
Description  TFT-LCD DC/DC with Integrated Amplifiers
PDF  19 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

EL7641ILTZ Datasheet(HTML) 6 Page - Renesas Technology Corp

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EL7640, EL7641, EL7642
FN7415 Rev 2.00
Page 6 of 19
February 22, 2006
Pin Descriptions
PIN NAME
EL7642
EL7641
EL7640
PIN FUNCTION
SRC
1
1
1
Upper reference voltage for switch output
REF
2
2
2
Internal reference bypass terminal
AGND
3
3
3
Analog ground for boost converter and control circuitry
PGND
4
4
4
Power ground for boost switch
OUT1
5
5
5
Operational amplifier 1 output
NEG1
6
6
6
Operational amplifier 1 inverting input
POS1
7
7
7
Operational amplifier 1 non-inverting input
OUT2
8
8
-
Operational amplifier 2 output
NEG2
9
9
-
Operational amplifier 2 inverting input
POS2
10
10
-
Operational amplifier 2 non-inverting input
BGND
11
11
11
Operational amplifier ground
POS3
12
15
-
Operational amplifier 3 non-inverting input
NEG3
-
16
-
Operational amplifier 3 inverting input
OUT3
13
17
-
Operational amplifier 3 output
SUP
14
14
14
Amplifier positive supply rail. Bypass to BGND with 0.1µF capacitor
POS4
15
-
-
Operational amplifier 4 non-inverting input
NEG4
16
-
-
Operational amplifier 4 inverting input
OUT4
17
-
-
Operational amplifier 4 output
POS5
18
-
-
Operational amplifier 5 non-inverting input
NEG5
19
-
-
Operational amplifier 5 inverting input
OUT5
20
-
-
Operational amplifier 5 output
LX
21
21
21
Main boost regulator switch connection
IN
22
22
22
Main supply input; bypass to AGND with 1µF capacitor
FB
23
23
23
Main boost feedback voltage connection
COMP
24
24
24
Error amplifier compensation pin
FBP
25
25
25
Positive LDO feedback connection
DRVP
26
26
26
Positive LDO transistor drive
FBN
27
27
27
Negative LDO feedback connection
DRVN
28
28
28
Negative LDO transistor driver
DEL
29
29
29
Connection for switch delay timing capacitor
CTL
30
30
30
Input control for switch output
DRN
31
31
31
Lower reference voltage for switch output
COM
32
32
32
Switch output; when CTL = 1, COM is connected to SRC through a 15
resistor; when CTL = 0, COM is connected to DRN through a 30
 resistor



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