PT6641 Datasheet: 24W 12V Input Positive to Negative Voltage Converter





PT6641 24W 12V Input Positive to Negative Voltage Converter Datasheet

Part Number PT6641
Description 24W 12V Input Positive to Negative Voltage Converter
Manufacture Power Trends
Total Page 6 Pages
PDF Download Download PT6641 Datasheet PDF

Features: PT6640 Series 24W 12V Input Positive to Negative Voltage Converter SLTS037A (R evised 6/30/2000) • Wide Input Volta ge Range: +8V to +25V • Negative Outp ut: –2.5V/4A to –15V/1.5A • Adjus table Output Voltage • 85% Efficiency • Remote Sense Capability The PT664 0 series is a positive input to negativ e output line of Integrated Switching R egulators (ISRs). Designed for general purpose applications, the PT6640 series delivers a negative output voltage at up to 24W. The PT6640 is packaged in a 14-Pin SIP (Single In-line Package) and is available in a surface-mount config uration. Standard Application PT6640V IN 4,5,6 7,8,9,10 -VOUT + C1 11,12, 13 1 C2 LOAD + COM COM REMOTE SENS E C1 = Required 560µF electrolytic C2 = Required 330µF electrolytic Specif ications Characteristics (Ta = 25°C un less noted) Output Current Symbols Io Input Voltage Range Vin Output Volta ge Tolerance Output Voltage Adjust Rang e ∆Vo Voadj Line Regulation Load Regulation Vo Ripple/Noise Transient Response.

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PT6640 Series
24W 12V Input Positive to Negative
Voltage Converter
SLTS037A
(Revised 6/30/2000)
Wide Input Voltage Range:
+8V to +25V
Negative Output:
–2.5V/4A to –15V/1.5A
Adjustable Output Voltage
85% Efficiency
Remote Sense Capability
The PT6640 series is a positive
input to negative output line of
Integrated Switching Regulators
(ISRs). Designed for general purpose
applications, the PT6640 series deliv-
ers a negative output voltage at up
to 24W. The PT6640 is packaged in
a 14-Pin SIP (Single In-line Package)
and is available in a surface-mount
configuration.
Standard Application
PT6640VIN 4,5,6
7,8,9,10
-VOUT
+
C1
11,12,13 1
C2
LOAD
COM
COM
REMOTE SENSE
C1 = Required 560µF electrolytic
C2 = Required 330µF electrolytic
Specifications
Characteristics
(Ta = 25°C unless noted)
Output Current
Symbols
Io
Input Voltage Range
Vin
Output Voltage Tolerance
Output Voltage Adjust Range
Vo
Voadj
Line Regulation
Load Regulation
Vo Ripple/Noise
Transient Response
with C2 = 330µF
Efficiency
Regline
Regload
Vn
ttr
Vos
η
Pin-Out Information
1 Remote Sense
2 Do Not Connect
3 Do Not Connect
4 +Vin
5 +Vin
6 +Vin
7 Vout
8 Vout
9 Vout
10 Vout
11 GND
12 GND
13 GND
14 Vout Adjust
Ordering Information
PT6641 = –3.3 Volts
PT6642 = –5.0 Volts
PT6643 = –12.0 Volts
PT6644 = –9.0 Volts
PT6645 = –15.0 Volts
PT6646 = –2.5 Volts
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Heat
Spreader
Vertical Through-Hole
P
Horizontal Through-Hole D
Horizontal Surface Mount E
Pkg Style 400
PT6640
Note: Back surface
of product is
conducting metal
Conditions
Ta = 60°C, 200 LFM, pkg P
Ta = 25°C, natural convection Vo– 5.0V
Vo= – 9.0V
Vo= – 12.0V
Vo= – 15.0V
0.1A Io Io max
Vo = –2.5V/3.3V
Vo = – 5.0V
Vo = – 9.0V
Vo = – 12.0V
Vo = – 15.0V
Over Vin range
Ta = -40°C to +65°C
Pin 14 to Vo or ground
Vo = – 2.5V
Vo = – 3.3V
Vo = – 5.0V
Vo = – 9.0V
Vo = –12.0V
Vo = –15.0V
+9VVin+Vinmax, Io = Iomax
Vin = +12V, 0.1IoIomax
Vin = +12V, Io = Iomax
Io step between 0.5xIomax and Iomax
Vo over/undershoot
Vin = +12V, Io = 0.5x Iomax Vo = – 2.5V
Vo = – 3.3V
Vo = – 5.0V
Vo = –9.0/12.0V
Vo = –15.0V
Vin = +12V, Io = Iomax
Vo = – 2.5V
Vo = – 3.3V
Vo = – 5.0V
Vo = –9.0/12.0/15.0V
PT6640 SERIES
Min Typ Max
Units
0.1 — (See Note 2)
0.1 —
4.0
0.1 —
0.1 —
2.5
2.0
A
0.1 —
1.5
+8 — +27
+8 — +25
+8 — +21 V
+8 — +18
+8 — +15
Vo-0.1 —
Vo+0.1 V
–1.8
–2.2
–3.0
–6.0
–9.0
–10.0
±0.5
±0.5
3.0
200
100
75
79
83
85
84
74
77
80
84
–4.3
–4.7
–6.5
–10.2
–13.6
–17.0
V
±1.0 %Vo
±1.0 %Vo
— %Vo
— µSec
— mV
—%
%
Continued
For technical support and more information, see inside back cover or visit www.ti.com/powertrends

                 






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