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MC34713EP 데이터시트(PDF) 3 Page - Freescale Semiconductor, Inc

부품명 MC34713EP
상세설명  5.0 A 1.0MHz Fully Integrated Single Switch-Mode Power Supply
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MC34713EP 데이터시트(HTML) 3 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
3
34713
PIN CONNECTIONS
PIN CONNECTIONS
Figure 3. 34713 Pin Connections
Table 1. 34713 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 9.
Pin Number
Pin Name
Pin Function
Formal Name
Definition
1
GND
Ground
Signal Ground
Analog signal ground of IC
2
FREQ
Passive
Frequency Adjustment
Buck converter switching frequency adjustment pin
3
ILIM
Input
Soft Start
Soft Start adjustment
4
PG
Output
Power Good
Active-low (open drain) power-good status reporting pin
5, 8
NC
None
No Connect
No internal connections to these pins. Recommend attaching a 0.1µF
capacitor from pin 8 to GND.
6
SD
Input
Shutdown
Shutdown mode input control pin
7
VREFIN
Input
Voltage-Tracking-
Reference Input
Voltage-Tracking-Reference voltage input
9
COMP
Passive
Compensation
Buck converter external compensation network pin
10
INV
Input
Error Amplifier
Inverting Input
Buck converter error amplifier inverting input pin
11
VOUT
Output
Output Voltage
Discharge FET
Discharge FET drain connection (connect to buck converter output
capacitors)
12,13,14
PGND
Ground
Power Ground
Ground return for buck converter and discharge FET
15,16,17
SW
Power
Switching Node
Buck converter power switching node
18,19,20
PVIN
Supply
Power-Circuit Supply
Input
Buck converter main supply voltage input
21
BOOT
Passive
Bootstrap
Bootstrap switching node (connect to bootstrap capacitor)
22,23
VIN
Supply
Logic-Circuit Supply
Input
Logic circuits supply voltage input
24
VDDI
Passive
Internal Voltage
Regulator
Internal Vdd Regulator (connect filter capacitor to this pin)
GND
FREQ
ILIM
PG
NC
SD
SW
PGND
PGND
SW
SW
PVIN
Transparent
Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24


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