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RC5050 Datasheet(Fiches technique) 3 Page - List of Unclassifed Manufacturers

Numéro de pièce RC5050
Description  Programmable DC-DC Converter for Lo Voltage
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PRODUCT SPECIFICATION
RC5050
3
Absolute Maximum Ratings
Operating Conditions
Electrical Characteristics
(VCCA, VCCD = 5V, VOUT = 2.8V, Fosc = 300 KHz, and TA = +25
°C using Figure 1, unless otherwise specified)
The
• denotes specifications which apply over the full operating temperature range.
Notes:
1. Steady State Voltage Regulation includes Initial Voltage Setpoint, DC load regulation, output ripple/noise and temperature
drift.
2. These specifications assume a minimum of 20, 1
µF ceramic capacitors are placed directly next to the CPU in order to provide
adequate high-speed decoupling. For motherboard applications, the PCB layout must exhibit no more than 0.5m
Ω parasitic
resistance and 1nH parasitic inductance between the converter output and the CPU.
Supply Voltages, VCCA, VCCD, VCCQP
13V
Voltage Identification Code Inputs, VID4-VID0
13V
Junction Temperature, TJ
150
°C
Storage Temperature
-65 to 150
°C
Lead Soldering Temperature, 10 seconds
300
°C
Parameter
Conditions
Min.
Typ.
Max.
Units
Supply Voltages, VCCA and VCCD
4.5
5
7
V
Output Driver Supply, VCCQP
8.5
12
V
Input Logic HIGH
2.0
V
Input Logic LOW
0.8
V
PWRGD Threshold
Logic HIGH
Logic LOW
93
88
107
112
%VO
%VO
Ambient Operating Temperature
0
70
°C
Parameter
Conditions
Min.
Typ.
Max.
Units
Output Voltage
See Table 1
1.3
3.5
V
Output Current
13
A
Initial Voltage Setpoint
ILOAD = 0.8A
±20
mV
Output Temperature Drift
TA = 0 to 60
°C
+10
mV
Load Regulation
ILOAD = 0.8A to 13A
-25
mV
Line Regulation
VIN = 4.75 to 5.25V
±2
mV
Output Ripple
20MHz BW, ILOAD = 13A
±11
mV
Output Voltage Regulation
Steady State1
Transient2
VOUT = 2.8V, ILOAD = 0.8 – 15A
ILOAD = 0.8 to 14.2A, 30A/
µs
2.74
2.67
2.80
2.80
2.90
2.93
V
V
Short Circuit Detect Threshold
100
120
140
mV
Efficiency
ILOAD = 13A, VOUT = 2.8V
80
85
%
Output Driver Rise and Fall
Time
See Figure 2
50
ns
Turn-on Response Time
ILOAD = 0 to 13A
10
ms
Oscillator Range
80
300
1000
KHz
Oscillator Frequency
CEXT = 100 pF
270
300
330
KHz
Max Duty Cycle
PWM mode
90
95
%




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