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CS2001 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. CS2001
Description  1.2 A Switching Regulator, and 5.0 V, 100 mA Linear Regulator with RESET
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS2001 Datasheet(HTML) 5 Page - ON Semiconductor

   
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CS2001
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PACKAGE PIN DESCRIPTION (continued)
PACKAGE PIN #
FUNCTION
PIN SYMBOL
SO–20L
FUNCTION
PIN SYMBOL
13
VCHG
Switched cap voltage tripler output.
14
GND5
Ground.
15
GND6
Ground.
16
GND7
Ground.
17
GND8
Ground.
18
NERD
No energy reserve detected output.
19
RESETB
Reset output.
20
VOUT
Linear regulator output.
VER
VFB
COMP
IBIAS
CPUMP
VBAT
NERD
RESETB
VOUT
SWSD
GND
VSW
VCHG
+
+
+
+
+
+
+
VREF
VCC
VREF
VREF
VREF
VREF
VCC
VCC
VREF
VCC
VCC
VCC
Oscillator
Bandgap
Reference
Over
Temperature
VREF
0.25 V
VFB/CPUMP
Short
Detect
Switcher
Error Amp
Preregulator
Switcher
Comp
VREF
Logic
Base
Drive
Voltage
Tripler
1.2 A
Current
Sense Amp
Switcher
Shutdown
Comp
0.5
× VCC
7.25 V
Low
Battery
Detect
Linear
Error Amp
Logic
Current
Limit
Reset
VER
Detect
100 mA
No Battery
Drive
Figure 2. Block Diagram
VCC
1.25 V


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