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ML4901CS 数据表(PDF) 2 Page - Micro Linear Corporation

部件名 ML4901CS
功能描述  High Current Synchronous Buck Controller
PDF  8 Pages
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制造商  MICRO-LINEAR [Micro Linear Corporation]
网页  http://www.microlinear.com
标志 MICRO-LINEAR - Micro Linear Corporation

ML4901CS 数据表(HTML) 2 Page - Micro Linear Corporation

  ML4901CS Datasheet HTML 1Page - Micro Linear Corporation ML4901CS Datasheet HTML 2Page - Micro Linear Corporation ML4901CS Datasheet HTML 3Page - Micro Linear Corporation ML4901CS Datasheet HTML 4Page - Micro Linear Corporation ML4901CS Datasheet HTML 5Page - Micro Linear Corporation ML4901CS Datasheet HTML 6Page - Micro Linear Corporation ML4901CS Datasheet HTML 7Page - Micro Linear Corporation ML4901CS Datasheet HTML 8Page - Micro Linear Corporation  
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ML4901
2
PIN CONFIGURATION
PIN DESCRIPTION (Pin Number in Parentheses is for TSSOP Version)
PIN#
NAME
FUNCTION
1 (1)
D0
LSB input to the DAC which sets
the output voltage
2 (2)
D1
Input to the DAC which sets the
output voltage
3 (3)
D2
Input to the DAC which sets the
output voltage
4 (4)
D3
MSB input to the DAC which sets
the output voltage
5 (6)
SHDN
Grounding this pin shuts down the
regulator
6 (8)
PWR GOOD
This open drain output goes low
whenever SHDN goes low or
when the output is not within
+10% of its nominal value
7 (9)
VREF
Bypass connection for the internal
3.5V reference
PIN#
NAME
FUNCTION
8 (10)
GND
Analog signal ground
9 (11)
VFB
Output voltage feedback pin
10 (12) ISENSE
Current sense input
11 (13) COMP
Connection for the compensation
network
12 (15) PWR GND
Power ground
13 (16) N DRV
Synchronous rectifier driver output
14 (17) P DRV
Buck switch driver output
15 (19) VDD
12V power supply input
16 (20) PROTECT
Connection for the integrating
current limit network and the
UVLO monitor for the 5V supply
D0
D1
D2
D3
NC
SHDN
NC
PWR GOOD
VREF
GND
PROTECT
VDD
NC
P DRV
N DRV
PWR GND
NC
COMP
ISENSE
VFB
TOP VIEW
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
ML4901
20-Pin TSSOP (T20)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TOP VIEW
ML4901
16-Pin Narrow SOIC (S16N)
D0
D1
D2
D3
SHDN
PWR GOOD
VREF
GND
PROTECT
VDD
P DRV
N DRV
PWR GND
COMP
ISENSE
VFB



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