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RC5058 数据表(PDF) 3 Page - Fairchild Semiconductor

部件名 RC5058
功能描述  High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms
Download  18 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

RC5058 数据表(HTML) 3 Page - Fairchild Semiconductor

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PRODUCT SPECIFICATION
RC5058
REV. 1.0.0 6/30/00
3
Absolute Maximum Ratings
Note:
1. Component mounted on demo board in free air.
Recommended Operating Conditions
Supply Voltage VCCA to GND
13.5V
Supply Voltage VCCP to GND
15V
Voltage Identification Code Inputs, VID0-VID4
VCCA
All Other Pins
13.5V
Junction Temperature, TJ
150°C
Storage Temperature
-65 to 150°C
Lead Soldering Temperature, 10 seconds
300°C
Thermal Resistance Junction-to-ambient,
Θ
JA
1
75°C/W
Parameter
Conditions
Min.
Typ.
Max.
Units
Supply Voltage VCCA
4.5
5
5.25
V
Input Logic HIGH
2.0
V
Input Logic LOW
0.8
V
Ambient Operating Temperature
0
70
°C
Output Driver Supply, VCCP
10.8
12
13.2
V
Electrical Specifications
(VCCA = 5V, VCCP = 12V, VOUT = 2.0V, and TA = +25°C using circuit in Figure 1 unless otherwise noted.)
The • denotes specifications which apply over the full operating temperature range.
Parameter
Conditions
Min.
Typ.
Max.
Units
VCC Regulator
Output Voltage
See Table 1
1.3
3.5
V
Output Current
18
A
Initial Voltage Setpoint
ILOAD = 0.8A,VOUT = 2.400V
VOUT = 2.000V
VOUT = 1.550V
2.397
2.000
1.550
2.424
2.020
1.565
2.454
2.040
1.580
V
V
V
Output Temperature Drift
TA = 0 to 70°C,VOUT = 2.000V
VOUT = 1.550V
+8
+6
mV
mV
Line Regulation
VIN = 4.75V to 5.25V
-4
mV/V
Internal Droop Impedance
ILOAD = 0.8A to 12.5A
13.0
14.4
15.8
K
Maximum Droop
60
mV
Output Ripple
20MHz BW, ILOAD = 18A
11
mVpk
Total Output Variation,
Steady State1
VOUT = 2.000V
VOUT = 1.550V
3
1.940
1.480
2.070
1.590
V
Total Output Variation,
Transient2
ILOAD = 0.8A to 18A, VOUT = 2.000V
VOUT = 1.550V
3
1.900
1.480
2.100
1.590
V
Short Circuit Detect Current
45
50
60
µA
Efficiency
ILOAD = 18A, VOUT = 2.0V
85
%
Output Driver Rise & Fall Time
See Figure 3
50
nsec
Output Driver Deadtime
See Figure 3
50
nsec


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