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MC34652EF Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc

No. de pieza MC34652EF
Descripción Electrónicos  2.0 A Negative Voltage Hot Swap Controller with Enhanced Programmability
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Fabricante Electrónico  FREESCALE [Freescale Semiconductor, Inc]
Página de inicio  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34652EF Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
3
34652
TERMINAL CONNECTIONS
TERMINAL CONNECTIONS
Figure 3. 16-SOICN Terminal Connections
Table 1. 16-SOICN Terminal Definitions
A functional description of each terminal can be found in the FUNCTIONAL TERMINAL DESCRIPTION section beginning on
page 9.
Terminal
Terminal
Name
Formal Name
Definition
1, 8, 9, 16
VIN
Negative Supply
Input Voltage
This is the most negative power supply input. All terminals except DISABLE are
referenced to this input.
2
PG
Power Good Output
(Active High)
This is an active high power good output signal. This terminal is referenced to VIN.
3
PG
Power Good Output
(Active Low)
This is an active low power good output signal. This terminal is referenced to VIN.
4, 5
VOUT
Output Voltage
This terminal is the drain of the internal Power MOSFET and supplies a current limited
voltage to the load.
6
TIMER
Start-Up and Retry
Delay Timer
This input is used to control the time base used to generate the timing sequences at
start-up and the retry delay when the device experiences any fault.
7
NC
No Connect
Not connected.
10
OV
Overvoltage Control
This terminal is used to set the upper limit of the input voltage operation range.
11
UV
Undervoltage Control
This terminal is used to set the lower limit of the input voltage operation range.
12
VPWR
Positive Supply
Input Voltage
This is the most-positive power supply input. The load connects between this terminal
and the VOUT terminal.
13
DISABLE
Disable Input Control
This terminal is used to easily disconnect or connect the load from the main power line
by disabling or enabling the 34652. It can also be used to reset the fault conditions that
cause a “Power No Good” signal. This terminal is referenced to VPWR.
14
ILIM
Current Limit Control
This terminal is used to set the overcurrent limit during normal operation.
15
ICHG
Charging Current
Limit Control
This terminal is used to set the load’s input capacitor charging current limit, hence
limiting the inrush current to a known constant value.
VIN
VIN
ICHG
ILIM
DISABLE
VPWR
OV
UV
VIN
VIN
PG
PG
VOUT
VOUT
NC
TIMER
8
2
3
4
5
7
6
9
16
15
14
13
12
10
11
1


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