AAT1401 Datasheet, PDF (3/21 Pages) List of Unclassifed Manufacturers – FOUR-CHANNEL DIGITAL STILL CAMERA POWER SUPPLY

Advanced Analog Technology, Inc.
PIN DESCRIPTION (VQFN-40)
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Name
MC1
SD1
SD4
SHDN
IE1
IE4
DTC1
OE1
DTC4
NC
OE4
RT
CT
VB
GND
VDD
V_REF
SCP
SD3
NC
SD2
IE3A
IE3
IE2
OE3
OE2
DTC3
DTC2
MC2
NC
OUT2
NC
OUT3
OUT4_2
PGND
PVDD
OUT4_1
NC
OUT1_1
OUT1_2
I/O
Function
I Boost or Buck Select for CH1
I ON/OFF Control for CH1
I ON/OFF Control for CH4
I Power ON/OFF Control
I Inverted Input for Error Amplifier 1 (EA1)
I Inverted Input for Error Amplifier 4 (EA4)
I Dead Time Control of CH1
O Output for Error Amplifier 1 (EA1)
I Dead Time Control of CH4
-
O Output for Error Amplifier 4 (EA4)
- External Frequency Setting Resistor
- External Frequency Setting Capacitor
O Reference Voltage 2.77V Output
P Ground
P Power Supply
O Reference Voltage 1.245V Output
- Short Circuit Protection Capacitor Connection Pin
I ON/OFF Control for CH3
-
I ON/OFF Control for CH2
I Inverted Input 2 for Error Amplifier 3 (EA3)
I Inverted Input for Error Amplifier 3 (EA3)
I Inverted Input for Error Amplifier 2 (EA2)
O Output for Error Amplifier 3 (EA3)
O Output for Error Amplifier 2 (EA2)
I Dead Time Control of CH3
I Dead Time Control of CH2
I Boost or Buck Select for CH2
-
O CH2 Totem Pole Type Output
-
O CH3 Totem Pole Type Output
O CH4 Synchronous Rectifier Side Output
P Output Buffer Ground
P Output Buffer Power Supply
O CH4 Totem Pole Type Output
-
O CH1 Totem Pole Type Output
O CH1 Synchronous Rectifier Side Output
AAT1401
–
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– Advanced Analog Technology, Inc. –
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