ISL78020ANZ-T Intersil, ISL78020ANZ-T Datasheet - Page 6

• Manufacturer Part Number: ISL78020ANZ-T
• Description: IC BOOST REG HI-PWR 32-TQFP
• Manufacturer: Intersil

Specifications of ISL78020ANZ-T

• Applications: LCD Display, Automotive
• Current - Supply: 2.5mA
• Voltage - Supply: 2.6 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Descriptions
PIN NAME
COMP
AGND
PGND
BGND
DRVN
OUT1
NEG1
POS1
OUT2
NEG2
POS2
POS3
NEG3
OUT3
POS4
NEG4
OUT4
POS5
NEG5
OUT5
DRVP
COM
SRC
SUP
DRN
REF
FBP
FBN
DEL
CTL
LX
FB
IN
ISL78022
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
-
6
ISL78020
14
21
22
23
24
25
26
27
28
29
30
31
32
11
1
2
3
4
5
6
7
-
-
-
-
-
-
-
-
-
-
-
-
ISL78020, ISL78022
Upper reference voltage for switch output
Internal reference bypass terminal
Analog ground for boost converter and control circuitry
Power ground for boost switch
Operational amplifier 1 output
Operational amplifier 1 inverting input
Operational amplifier 1 non-inverting input
Operational amplifier 2 output
Operational amplifier 2 inverting input
Operational amplifier 2 non-inverting input
Operational amplifier ground
Operational amplifier 3 non-inverting input
Operational amplifier 3 inverting input
Operational amplifier 3 output
Amplifier positive supply rail. Bypass to BGND with 0.1µF capacitor
Operational amplifier 4 non-inverting input
Operational amplifier 4 inverting input
Operational amplifier 4 output
Operational amplifier 5 non-inverting input
Operational amplifier 5 inverting input
Operational amplifier 5 output
Main boost regulator switch connection
Main supply input; bypass to AGND with 1µF capacitor
Main boost feedback voltage connection
Error amplifier compensation pin
Positive LDO feedback connection
Positive LDO transistor drive
Negative LDO feedback connection
Negative LDO transistor driver
Connection for switch delay timing capacitor
Input control for switch output
Lower reference voltage for switch output
Switch output; when CTL = 1, COM is connected to SRC through a 15Ω resistor;
when CTL = 0, COM is connected to DRN through a 30Ω resistor
PIN FUNCTION
December 6, 2007
FN6386.2