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CS5211GDR14G 数据表(PDF) 3 Page - ON Semiconductor

部件名 CS5211GDR14G
功能描述  Low Voltage Synchronous Buck Controller
Download  13 Pages
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

CS5211GDR14G 数据表(HTML) 3 Page - ON Semiconductor

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CS5211
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3
MAXIMUM RATINGS
Pin Name
Pin Symbol
VMAX
VMIN
ISOURCE
ISINK
IC Power Input
VCC
16 V
−0.3 V
N/A
50 mA DC
Power input for the low side driver
VC
16 V
−0.3 V
N/A
1.5 A Peak, 200 mA DC
Power Supply input for the high side driver
BST
20 V
−0.3 V
N/A
1.5 A Peak, 200 mA DC
Compensation Capacitor
COMP
6.0 V
−0.3 V
1.0 mA
1.0 mA
Voltage Feedback Input
VFB
6.0 V
−0.3 V
1.0 mA
1.0 mA
Oscillator Resistor
ROSC
6.0 V
−0.3 V
1.0 mA
1.0 mA
Fast Feedback Input
VFFB
6.0 V
−0.3 V
1.0 mA
1.0 mA
High−Side FET Driver
GATE(H)
20 V
−0.3 V
−2.0 V for 50 ns
1.5 A Peak
200 mA DC
1.5 A Peak, 200 mA DC
Low−Side FET Driver
GATE(L)
16 V
−0.3 V
−2.0 V for 50 ns
1.5 A Peak,
200 mA DC
1.5 A Peak, 200 mA DC
Positive Current Sense
IS+
6.0 V
−0.3 V
1.0 mA
1.0 mA
Negative Current Sense
IS−
6.0 V
−0.3 V
1.0 mA
1.0 mA
Power Ground
PGND
0.3 V
−0.3 V
1.5 A Peak,
200 mA DC
N/A
Logic Ground
LGND
0 V
0 V
100 mA
N/A
Sense Ground
SGND
0.3 V
−0.3 V
1.0 mA
1.0 mA
PACKAGE PIN DESCRIPTION
PIN NO.
PIN SYMBOL
FUNCTION
1
GATE(H)
High Side Switch FET driver pin. Capable of delivering peak currents of 1.0 A.
2
BST
Power supply input for the high side driver.
3
LGND
Reference ground. All control circuits are referenced to this pin. IC substrate connection.
4
VFFB
Input for the PWM comparator.
5
VFB
Error amplifier input.
6
COMP
Error Amp output. PWM Comparator reference input. A capacitor to LGND provides error amp
compensation.
7
SGND
Internal reference is connected to this ground. Connect directly at the load for ground remote
sensing.
8
ROSC
A resistor from this pin to SGND sets switching frequency.
9
VCC
Input Power Supply Pin. It supplies power to control circuitry. A 0.1 mF Decoupling cap is
recommended.
10
IS−
Negative input for overcurrent comparator.
11
IS+
Positive input for overcurrent comparator.
12
VC
Power supply input for the low side driver.
13
GATE(L)
Low Side Synchronous FET driver pin. Capable of delivering peak currents of 1.0 A.
14
PGND
High Current ground for the GATE(H) and GATE(L) pins.


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