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MAX828 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. MAX828
Description  Switched Capacitor Voltage Converters
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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MAX828 Datasheet(HTML) 2 Page - ON Semiconductor

 
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MAX828 MAX829
http://onsemi.com
2
PIN DESCRIPTION
Pin No.
Symbol
Description
1
OUT
Inverting charge pump output
2
VIN
Positive power supply input
3
C–
Commutation capacitor negative terminal
4
GND
Ground
4
C+
Commutation capacitor positive terminal
ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
Input Voltage (VIN to GND)
+6.0, – 0.3
V
Output Voltage (OUT to GND)
–6.0, +0.3
V
Current at OUT Pin
50
mA
Short–Circuit Duration – OUT to GND
Indefinite
TA
Operating Temperature Range
–40 to +85
°C
PD
Power Dissipation (TA ≤ 70°C) SOT–23–5
Derate by 4mW/
°C for TA > 70°C
240
mW
Tstg
Storage Temperature Range
–65 to +150
°C
Tsol
Lead Temperature (Soldering, 10 Seconds)
+300
°C
* Maximum Ratings are those values beyond which damage to the device may occur.
ELECTRICAL CHARACTERISTICS (TA = 0°C to +85°C, VIN = +5V, C1 = C2 = 10µF (MAX828), C1 = C2 = 3.3µF (MAX829), unless
otherwise noted
. Typical values are at TA = 25°C.)
Symbol
Characteristic
Min
Typ
Max
Unit
IDD
Supply Current (TA = 25°C)
MAX828
MAX829
50
115
90
260
µA
V+
Supply Voltage Range (RLOAD = 10kW)
5.5
V
FOSC
Oscillator Frequency (TA = 25°C)
MAX828
MAX829
8.4
24.5
12
35
15.6
45.5
kHz
PEFF
Power Efficiency
ILOAD = 3mA, TA = 25°C
96
%
VEFF
Voltage Conversion Efficiency (RLOAD = R)
95
99.9
%
ROUT
Output Resistance (Note 1.)
IOUT = 5mA, TA = 25°C
TA = 0°C to +85°C
25
50
65
W
1. Capacitors C1 and C2 contribution is approximately 20% of the output impedance. For additional information, refer to Equation 1 in the
Applications Information section.
ELECTRICAL CHARACTERISTICS (TA = –40°C to +85°C, VIN = +5V, C1 = C2 = 10µF (MAX828), C1 = C2 = 3.3µF (MAX829),
unless otherwise noted
. Typical values are at TA = 25°C.) (Note 2.)
Symbol
Characteristic
Min
Typ
Max
Unit
IDD
Supply Current
MAX828
MAX829
115
325
µA
Vin
Supply Voltage Range (RLOAD = 10kW)
1.5
5.5
V
FOSC
Oscillator Frequency
MAX828
MAX829
6.0
19
20
54.3
kHz
ROUT
Output Resistance (IOUT = 5mA)
65
W
2. All –40
°C to +85°C specifications are guaranteed by design.


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