AK1110AEU Datasheet, PDF (4/19 Pages) –

■ Pin Configurations
6. Pin Configurations and Functions
VOUT_LDO2 1
VIN_LDO2 2
EN 3
VIN_LDO1 4
VOUT_LDO1 5
Exposed Pad
10 GND_LDO2
9 NP_LDO2
8 GND_REG
7 NP_LDO1
6 GND_LDO1
[AK1110AEU]
Figure 2. Pin Configurations (Top View)
■ Pin Functions
No.
Name
I/O Internal Equivalent Circuit
Description
1 VOUT_LDO2 O
Figure 3
LOD2 Output
2 VIN_LDO2 P
Figure 3
LOD2 Input
3
EN
I
4 VIN_LDO1 P
Figure 4
Figure 3
On/Off Control Terminal of the LDO1 and
LDO2 (High active)
The pull-down resister (300kΩ) is built-in.
LDO1 Input
5 VOUT_LDO1 O
Figure 3
LDO1 Output
6 GND_LDO1 -
-
LDO1 Ground
7 NP_LDO1 O
Figure 5
Noise Bypass Terminal of the LDO1
Connect a bypass capacitor between
NP_LDO1 and GND.
8 GND_REG -
-
GND terminal of the internal 5V regulator
9 NP_LDO2 O
Figure 5
Noise Bypass Terminal of the LDO2
Connect a bypass capacitor between
NP_LDO2 and GND.
10 GND_LDO2 -
-
LDO2 Ground
-
Exposed Pad
(Note 2)
-
-
Heat Dissipation Pad
It is connected to GND internally.
Note 1. I(Input terminal), O(Output terminal), P(Power terminal)
Note 2. The exposed pad should be connected to the GND plane.
Equivalent Circuits
Figure 3
016016348-E-00
Figure 4
-4-
Figure 5
2016/12