TD1509 Techcode Semiconductor, TD1509 Datasheet - Page 6

• Manufacturer Part Number: TD1509
• Description: 2A 150KHZ PWM Buck DC/DC Converter
• Manufacturer: Techcode Semiconductor

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Specifications with boldface type are for full operationg temperature range, the other type are for
T
Note1: Thermal resistance with copper area of approximately 3 in
December, 20, 2005.
2A 150KHZ PWM Buck DC/DC Converter
V
V
I
I
θ
θ
TD1509
ADJ
TD1509
3.3V
TD1509
5V
J
H
L
=25
JC
JA
IL
IH
O
C.
ON/OFF pin logic input
Threshold voltage
ON/OFF pin input current
Thermal Resistance
Junction to Case
Thermal Resistance
Junction to Ambient
(Note1)
Vfb: Output Voltage
η: Efficiency
Vout: Output Voltage
η: Efficiency
Vout: Output Voltage
η: Efficiency
Low (Regulator ON)
High (Regulator OFF)
V
V
SOP8/DIP8
SOP8/DIP8
11V≤V
2A, V
V
4.75V≤V
≤2A
V
7V ≤ V
2A
V
LOGIC
LOGIC
IN
IN
IN
=12V,V
=12V, I
=12V, I
=2.5V(Regulator OFF)
=0.5V(Regulator ON)
OUT
IN
IN
≤ 45V, 0.2A ≤ I
≤45V, 0.2A≤I
IN
for 9V
≤45V, 0.2A≤I
LOAD
LOAD
OUT
6
=9V,I
=2A
=2A
LOAD
LOAD
LOAD
=2A
LOAD
2
≤
≤
.
2.0
1.193/
1.180
3.168/3
.135
4.800/4
.750
Techcode Semiconductor Limited
1.3
1.3
5
0.02
10
40
1.23
89
3.3
76
5.0
85
0.6
15
5
1.267/
1.280
3.432/
3.465
5.200/
5.250
Datasheet
TD1509
V
V
uA
uA
O
W
O
W
V
%
V
%
V
%
C/
C/