參數(shù)資料
型號: LDO03C
英文描述: Single Output C Class Non-Isolated DC/DC Converter
中文描述: 單輸出C級非隔離式DC / DC轉(zhuǎn)換器
文件頁數(shù): 8/21頁
文件大小: 675K
代理商: LDO03C
LDO03C Series | 3 A DC-DC
C Class Non-Isolated DC/DC Converter
File Name: lf_Ldo03c.pdf Rev: (01) 12 Apr 2006
3.3 V, 5 V, 12 V Model
2.5 V Setpoint
Electrical Charateristics
- O/P
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Load transient response -
park deviation
Load transient response
- recover
External load capacitance
Vdynamic
Trecovery
Cext
175
20
0
1000
mV
μ
s
μF
Peak deviation for 50% to
100% step load, di/dt =
10 A/s
Settling time to within 1% of
output set point voltage for
50% to 75% step load
See Application Notes 186 for
output capitance values vs.
stability
8
3.3 V, 5 V, 12 V Model
2.5 V Setpoint
Input Characteristics
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Input current - operating
(Source) (3.3 V)
(Sink) (3.3 V)
(Source) (5 V)
(Sink) (5 V)
(Source) (12 V)
(Sink) (12 V)
Iin
Iin
Iin
Iin
Iin
Iin
2.5
-2.0
1.7
-1.3
0.7
-0.5
Adc
Adc
Adc
Adc
Adc
Adc
Vin = Vin (nom)
; I
out = Iout
(max); Vo = V0 (nom)
Input capacitance - internal
filter
Cinput
10
μ
F
Internal to converter
Input capacitance - external
filter
Cbypass
1
μ
F
Recommended customer
added capacitance
3.3 V, 5 V, 12 V Model
2.5 V Setpoint
Electrical Charateristics
- O/P
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Nominal set-point voltage
Vo (nom)
2.475
2.500
2.525
Vdc
Vin = Vin (nom)
; I
out = Iout
(nom)
Line regulation
±0.2
%
Iout = I
out (nom);
Vin (min) to
Vin (max)
Load regulation
±0.5
%
Vin = V
in (nom); Iout (min) to
Iout (max)
Output current - continuous
Iout
0
3.0
Adc
Output current - short circuit
Isc
6.0
Apk
Continuous, unit auto recovers
from short
Output voltage - noise Vrms
(3.3 V)
(5.0 V)
(12 V)
mVp-p
mVp-p
mVp-p
20
25
35
mV pk-pk
mV pk-pk
mV pk-pk
Measurement band width
20 MHz
See Application Note 186 for
details
相關(guān)PDF資料
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