TPS60500, TPS60501
TPS60502, TPS60503
SLVS391B − OCTOBER 2001 − REVISED FEBRUARY 2002
APPLICATION INFORMATION
C1F
1
µF
8
INPUT
1.8 V to 6.5 V
Ci
2.2
µF
1
OFF/ON
GND
9
EN
PG
2
6
3
C2F
1
µF
4
7
+ Co
10
µF
10
R
R1
R2
OFF/ON
GND
9
max 150 mA
VO
Cc
10 pF
INPUT
2.5 V to 6.5 V
Ci
2.2
µF
1
EN
PG
2
OUT
5
VIN
TPS60503
FB
10
R
8
C1F
1
µF
6
3
C2F
1
µF
4
7
max 150 mA
+C
o
10
µF
1.5 V
C1F− C1F+ C2F− C2F+
C1F− C1F+ C2F−C2F+
OUT
5
VIN
TPS60500
FB
R1
+
R2
+
V
V
O
–R2
Possible E24 Resistor Combination
R1 = 100 kΩ, R2 = 200 kΩ (1.20 V)
R1 = 160 kΩ, R2 = 180 kΩ (1.51 V)
Any
R1 = 150 kΩ, R2 = 120 kΩ (1.80 V)
R1 = 510 kΩ, R2 = 240 kΩ (2.50 V)
R1 = 470 kΩ, R2 = 220 kΩ (2.51 V)
FB
R1 = 0.5R2
R1 = 0.875R2
R1 = R2
R1 = 1.25R2
R1 = 2.125R2
V
(
R1
)
R2
)
R2
O
VFB
Nominal Output Voltage Equation
1.2 V
1.5 V
1.6 V
1.8 V
2.5 V
VFB = 0.8 V
C1F
1
µF
8
INPUT
3.15 V to 6.5 V
Ci
4.7
µF
1
OFF/ON
GND
9
EN
6
3
C2F
1
µF
4
7
+ C
out1
10
µF
FB
10
R
PG
2
max 250 mA
+ C
out2
10
µF
1.5 V
C1F− C1F+ C2F− C2F+
OUT
5
VIN
TPS60503
Power supply with 1,4 mm maximum height for 250-mA output current
Figure 26. Typical Operating Circuit
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