參數(shù)資料
型號(hào): QW030A1
英文描述: Analog IC
中文描述: 模擬IC
文件頁(yè)數(shù): 6/16頁(yè)
文件大?。?/td> 373K
代理商: QW030A1
6
Lucent Technologies Inc.
Advance Data Sheet
September 2000
18 Vdc to 36 Vdc or 36 Vdc to 75 Vdc Inputs
QC/QW030-Series Power Modules: dc-dc Converters;
Feature Specifications
(continued)
* Engineering estimate.
Parameter
Device
Suffix
Symbol
Min
Typ
Max
Unit
Overtemperature Protection
(V
I
= 75 V, see Figure 8.):
I
O
= 6.5 A
I
O
= 6 A
I
O
= 3 A
I
O
= 2.66 A
Undervoltage Lockout:
QC030x
QW030x
F
A
B
C
T
case
T
case
T
case
T
case
105
105
110
110
°C
°C
°C
°C
All
All
14
27
V
V
Test Configurations
8-203(C).l
Note: Measure input reflected-ripple current with a simulated source
inductance (L
TEST
) of 12 μH. Capacitor C
S
offsets possible bat-
tery impedance. Measure current as shown above.
Figure 1. QC/QW030-Series Input Reflected-Ripple
Test Setup
8-513(C).s
Note: Use the capacitor(s) referenced in the Output Ripple and Noise
Voltage specifications in the Output Specifications table. Scope
measurement should be made using a BNC socket. Position
the load between 51 mm and 76 mm (2 in. and 3 in.) from the
module.
Figure 2. QC/QW030-Series Peak-to-Peak Output
Noise Measurement Test Setup
8-749(C)
Note: All measurements are taken at the module terminals. When
socketing, place Kelvin connections at module terminals to
avoid measurement errors due to socket contact resistance.
Figure 3. QC/QW030-Series Output Voltage and
Efficiency Measurement Test Setup
Design Considerations
Grounding Considerations
For the QC modules, the case is internally connected
to the V
I
(–) pin. For the QW modules, the case is inter-
nally connected to the V
I
(+) pin.
TO OSCILLOSCOPE
12 μH
V
I
(+)
V
I
(–)
CURRENT
PROBE
L
TEST
BATTERY
C
S
220 μF
ESR < 0.1
@ 20
°
C, 100 kHz
33 μF
ESR < 0.7
@ 100 kHz
V
O
(+)
V
O
(–)
RESISTIVE
LOAD
SCOPE
COPPER STRIP
SEE NOTE
V
I
(+)
I
I
I
O
SUPPLY
CONTACT
RESISTANCE
CONTACT AND
DISTRIBUTION LOSSES
LOAD
SENSE(+)
V
I
(–)
V
O
(+)
V
O
(–)
SENSE(–)
η
V
(+)
I
(+)
V
O
(–)
V
I
(–)
[
-----V
]
I
O
]
I
I
100 %
×
=
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