RC5042 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
RC5042 Datasheet PDF : 20 Pages
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PRODUCT SPECIFICATION
RC5042
Absolute Maximum Ratings1
Control Supply Voltages, VCCA and VCCD
FET Supply Voltage, VCCQP
Voltage Identification Code Inputs, VID3-VID0
Junction Temperature, TJ
Storage Temperature, TS
Lead Soldering Temperature, 10 seconds
13V
13V
13V
150˚C
-65 to 150˚C
300˚C
Notes:
1. Functional operation under any of these conditions is not implied. Permanent damage may occur if the device is subjected to
conditions outside these ratings.
Operating Conditions
Parameter
Control Supply Voltages, VCCA and VCCD
Driver Supply Voltage, VCCQP
VID Code Input Voltage, Logic HIGH
VID Code Input Voltage, Logic LOW
PWRGD HIGH Threshold
PWRGD LOW Threshold
Ambient Temperature, TA
Conditions
Min.
4.5
9
2
-7
0
Typ.
5
10
Max.
7
12
0.8
+7
70
Units
V
V
V
V
%VREF
%VREF
°C
Electrical Specifications
(VCCA, VCCD = 5V, fosc = 650 KHz, and TA = +25°C using circuit in Figure 1, unless otherwise noted)
The · denotes specifications which apply over the full operating temperature range.
Parameter
Output Voltage
Output Current1
Setpoint Accuracy2
Output Temperature Drift
Load Regulation
Line Regulation
Output Ripple/Noise, pk-pk
Cumulative Accuracy3
Efficiency
Short Circuit Detect Threshold
Output Current Driver
Power Dissipation
Thermal Impedance, qJA
Response Time, Sleep to Full Load
Oscillator Frequency Range4
Oscillator Frequency Accuracy
Maximum Duty Cycle in PWM Mode
Minimum Duty Cycle in PFM Mode
Conditions
TA = 0–70°C, See Table 1.
·
ILOAD = 5.25A
TA = 0–70°C
·
ILOAD = 0.5 to 12.5A
·
VIN = 4.75–5.25V, ILOAD = 12.5A ·
VOUT = 2.1–3.5V, 20MHz BW
·
TA = 0–70°C
·
ILOAD = 12.5A, VOUT = 3.3V
·
Internal comparator offset
·
No load
Excluding tolerance of CEXT
Min.
2.0
80
100
0.5
0.2
90
Typ.
12.5
1.0
+100
-0.5
+0.14
30
±3.3
85
120
1.0
0.1
150
10
10
95
Max.
3.5
14.5
1.5
±5.0
140
0.2
1
100
Units
V
A
%
ppm/°C
%Vo
%Vo
mV
%
%
mV
A
W
°C/W
ms
MHz
%
%
ns
3
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