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(Note1)
Absolute Maximum Ratings
Parameter
Supply Voltage
Symbol
VCC
Value
40
Unit
V
On/Off Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Power Dissipation
Operating Temperature
Storage Temperature
VSD
VFB
VOUT
PD
Topr
Tstg
‐0.3~+25
‐0.3~+25
‐1
V
V
V
W
oC
oC
oC
V
Internally Limited
0~+70
‐65~+150
‐40~+125
+4.5~+40
Operating Junction Temperature Range
Operating Voltage
TJ
VOP
Electrical Characteristics (Continued)
Specifications with boldface type apply over for full operating temperature range, the other type are for TJ=25oC(Note 2)
Part No.
Parameter
Output Voltage
Efficiency
Symbol
VOUT
η
Conditions
5V≤VIN≤40V, 0.2A≤ILOAD≤2A
IN =12V, ILOAD=2A
Min.
3.135
‐
Typ.
3.3
72
Max.
3.465
‐
Unit
V
%
RS6501‐3.3V
V
Output Voltage
Efficiency
Output Voltage
Efficiency
VOUT
η
VOUT
η
7V≤VIN≤40V, 0.2A≤ILOAD≤2A
VIN=12V, ILOAD=2A
15V≤VIN≤40V, 0.2A≤ILOAD≤2A
VIN=25V, ILOAD=2A
4.750
5.0
79
12.0
90
5.250
‐
12.60
‐
V
%
V
%
RS6501‐5.0V
RS6501‐12V
‐
11.40
‐
4.5V≤VIN≤40V, 0.2A≤ILOAD≤2A
Reference Voltage
Efficiency
VFB
1.193
1.230
72
1.280
V
RS6501‐ADJ
VOUT programmed for 3V
VIN=12V, ILOAD=2A
‐
‐
%
η
All Output Voltage Versions Electrical Characteristics
Specifications with boldface type apply over for full operating temperature range, the other type are for TJ=25oC
(Unless otherwise specified, VIN=12V for the 3.3V, 5V, and adjustable version and VIN=24V for the 12V version, ILOAD=500mA)
Parameter
Symbol
Test Condition
Device Parameters
Min.
Typ.
Max.
Unit
50
Feedback Bias Current
Oscillator Frequency
Saturation Voltage
Ib
fO
Adjustable Version Only, VFB=1.3V
(Note 5)
‐
40
nA
KHz
V
100
173
173
1.4
127
110
150
1.16
VSAT
DC
ICL
IOUT=2A (Note 6,7)
‐
‐
‐
1.5
Max. Duty Cycle (ON)
Min. Duty Cycle (OFF)
(Note 7)
(Note 8)
100
0
‐
‐
%
Current Limit
Peak Current (Note 6,7)
3.6
A
Output Leakage Current
Quiescent Current
IL
IQ
Output=0V (Note 6,8)
(Note 8)
‐
‐
‐
5
50
30
uA
mA
200
300
Standby Quiescent Current
ISTBY
ON/OFF pin=5V (Note 9)
‐
85
uA
θJC
SOP‐8
Junction to Case
‐
‐
15
70
‐
‐
oC/W
oC/W
Thermal Resistance
θJA (Note 10)
SOP‐8
Junction to ambient
ON/OFF Control
VIH
Low (Regulator ON)
‐
0.6
ON/OFF Pin Logic Input Threshold Voltage
ON/OFF Pin Input Current
1.4
V
VIL
IIH
IIL
High (Regulator OFF)
VLOGIC=2.5V (Regulator OFF)
VLOGIC=0.5V (Regulator ON)
2.0
‐
‐
‐
15
5
6
0.02
uA
DS‐RS6501‐06 September, 2010
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