鈥?/div>
+5V/+3.3V Input Voltage
Negative Output
Remote Sense
Adjustable Output Voltage
23-pin SIP Package
The PT6900 is a series of high-
performance ISRs, that provide plus to
minus voltage conversion, up to 12 watt
in a 23-pin SIP package.
The PT6900 is designed to supply
regulated negative voltages for power-
ing the latest ECL (-5.2V) and GaAs
(-2.0V) ICs used in high-speed fiber
optic communications. A 330碌F elec-
trolytic capacitor is required on the
input and output for proper operation.
Please note that this product is not
short-circuit protected.
Pin-Out Information
Pin Function
1
Do not connect
Ordering Information
Pin
13
14
15
16
17
18
19
20
21
22
23
Function
GND
GND
GND
V
out
V
out
V
out
V
out
V
out
V
out
Remote Sense V
out
Do not connect
+5V Input
+3.3V Input
V
out
Standard Application
V
ADJ
Remote Sense
2
3-7
22
16-21
2
3
4
5
-V
OUT
+
Cout
V
out
Adjust
V
in
V
in
V
in
V
in
V
in
Remote Sense GND
PT6901J PT6904K
= 鈥?.0V
J
K
PT6902J PT6905K
= 鈥?.2V
J
K
PT6903K
= 鈥?.5V
K
+V
IN
+
Cin
PT6900
9-15
8
6
7
8
9
10
11
12
PT Series Suffix
(PT1234X)
N
A
C
(For dimensions and PC board layout,
see Package Styles 1100 and 1110.)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
GND
Remote Sense
GND
GND
GND
GND
GND
C in = Required 330碌F electrolytic
C out = Required 330碌F electrolytic
Specifications
Characteristics
(T
a
= 25擄C unless noted)
Output Current
PT6900 SERIES
Symbols
I
o
Conditions
T
a
=
+25擄C, natural convection
V
in
=5.0V
V
o
= 鈥?.0V / 鈥?.5V
V
o
= 鈥?.2V
V
in
=3.3V
V
o
= 鈥?.0V
V
o
= 鈥?.2V
0.1A
鈮?/div>
I
o
鈮?/div>
I
max
鈭哣
o
V
o
PT6901 PT6902/PT6903
PT6904/PT6905
V
o
= 鈥?.0V
V
o
= 鈥?.2V
V
o
= 鈥?.5V
Min
0.1
(1)
0.1
(1)
0.1
(1)
0.1
(1)
4.5
3.1
V
o
鈥?0.05
鈥?.4
鈥?.7
鈥?.2
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
500
0
-40
Vertical/Horizontal
鈥?/div>
V
o
= 鈥?.5V / 鈥?.0V
V
o
= 鈥?.2V
and I
max
V
o
= 鈥?.5V
V
o
= 鈥?.0V
V
o
= 鈥?.2V
Vo = 鈥?.0V
Vo = 鈥?.2V
Typ
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鹵0.5
鹵0.5
40
50
200
200
65
70
77
67
75
鈥?/div>
鈥?/div>
鈥?/div>
28/33
Max
6.0
3.5
5.0
2.5
5.5
3.6
V
o
+ 0.05
鈥?.4
鈥?.5
鈥?.4
鹵1.0
鹵1.0
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
600
+85
(2)
(2)
(2)
(2)
(2)
Units
A
A
V
V
V
%
%
mV
碌Sec
mV
%
%
kHz
擄C
擄C
grams
Input Voltage Range
Output Voltage T
olerance
Output Adjust Range
Nominal V
in
, I
o
= I
max
0擄C
鈮?/div>
T
a
鈮?/div>
+60擄C
Pin 14 to V
o
or GND
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
out
= 330碌F
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
畏
Over V
in
range, I
o
=I
max
V
in
=V
nom
, 0.1
鈮?/div>
I
o
鈮?/div>
I
max
V
in
= V
nom
, I
o
=I
max
I
o
step between 0.5xI
max
V
o
over/undershoot
V
in
=+5V, I
o
=0.5xI
max
V
in
= +3.3V, I
o
=0.5xI
max
Switching Frequency
Absolute Maximum
Operating T
emperature Range
Storage T
emperature
Weight
茠
o
T
a
T
s
鈥?/div>
Over V
in
and I
o
ranges
Over V
in
Range
+125
鈥?/div>
Notes:
(1) ISR-will operate down to no load with reduced specifications.
(2) See SOA curves or contact the factory for the approrpiate derating.
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
PT6901N 產(chǎn)品屬性
10
電源 - 板載
DC DC Converters
PT6900
非隔離（POL）
1
5.5V
-2V
-
-
6A
12W
-
-
通孔
23-SIP 模塊
-
托盤
0°C ~ 85°C
70%
12W
296-32697PT6901N-ND
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