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STOD1412 Datasheet(PDF) 4 Page - STMicroelectronics

Part # STOD1412
Description  Step-up and inverting DC-DC converter
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STOD1412 Datasheet(HTML) 4 Page - STMicroelectronics

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Pin configuration
STOD1412
4/21
2
Pin configuration
Figure 2.
Pin connections (top view)
Table 2.
Pin description
Pin n°
Symbol
Description
1VO1
Step-up converter output voltage.
2
TRIM
Trimming pin. This pin must be left floating.
3
TRIM
Trimming pin. This pin must be left floating.
4
TRIM
Trimming pin. This pin must be left floating.
5
FB1
Feedback pin of the step-up converter.
6VREF
External voltage reference. A CREF = 100 nF ceramic capacitor must be connected to
this pin.
7
GND
Signal ground pin. This pin must be connected to PGND pin.
8
FB2
Feedback pin of the inverting converter.
9VI
Input supply voltage.
10
EN
Enable control pin. ON = VI. When pulled low the device goes into shutdown mode.
11
TRIM
Trimming pin; this pin must be left floating.
12
VCC
Power input supply voltage.
13
Lx2
Switching node of the inverting converter.
14
VO2
Inverting converter output voltage.
15
PGND
Power ground pin.
16
Lx1
Switching node of the step-up converter.
Exp pad
Exposed pad. This pin must be connected to VO2.



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