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參數(shù)資料
| 型號： | LTM4600HVEV#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 17 A SWITCHING REGULATOR, BGA104 |
| 封裝： | 15 X 15 MM, ROHS COMPLIANT, MO-222, LGA-104 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 351K |
| 代理商： | LTM4600HVEV#TRPBF |
LTM4600HV
3
4600hvfd
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Specications
IOUTDC
Output Continuous Current Range
(See Output Current Derating Curves for
Different VIN, VOUT and TA)
VIN = 12V, VOUT = 1.5V
VIN = 24V, VOUT = 2.5V (Note 3)
0
10
A
ΔVOUT(LINE)
VOUT
Line Regulation Accuracy
VOUT = 1.5V. FCB = 0V, IOUT = 0A,
VIN = 4.5V to 28V
l
0.15
0.3
%
ΔVOUT(LOAD)
VOUT
Load Regulation Accuracy
VOUT = 1.5V. FCB = 0V, IOUT = 0A to 10A
VIN = 5V
VIN = 12V (Notes 4, 5)
l
±1
±1.5
%
VOUT(AC)
Output Ripple Voltage
VIN = 12V, VOUT = 1.5V, FCB = 0V, IOUT = 0A
10
15
mVP-P
fs
Output Ripple Voltage Frequency
FCB = 0V, IOUT = 5A, VIN = 12V, VOUT = 1.5V
850
kHz
tSTART
Turn-On Time
VOUT = 1.5V, IOUT = 1A
VIN = 12V
VIN = 5V
0.5
0.7
ms
ΔVOUTLS
Voltage Drop for Dynamic Load Step
VOUT = 1.5V, Load Step: 0A/μs to 5A/μs
COUT = 3 22μF 6.3V, 470μF 4V POSCAP,
See Table 2
36
mV
tSETTLE
Settling Time for Dynamic Load Step VIN = 12V Load: 10% to 90% to 10% of Full Load
25
μs
IOUTPK
Output Current Limit
Output Voltage in Foldback
VIN = 24V, VOUT = 2.5V
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
17
A
Control Stage
VOSET
Voltage at VOSET Pin
IOUT = 0A, VOUT = 1.5V
l
0.591
0.594
0.6
0.609
0.606
V
VRUN/SS
RUN ON/OFF Threshold
0.8
1.5
2
V
IRUN(C)/SS
Soft-Start Charging Current
VRUN/SS = 0V
–0.5
–1.2
–3
μA
IRUN(D)/SS
Soft-Start Discharging Current
VRUN/SS = 4V
0.8
1.8
3
μA
VIN – SVIN
EXTVCC = 0V, FCB = 0V
100
mV
IEXTVCC
Current into EXTVCC Pin
EXTVCC = 5V, FCB = 0V, VOUT = 1.5V, IOUT = 0A
16
mA
RFBHI
Resistor Between VOUT and VOSET Pins
100
kΩ
VFCB
Forced Continuous Threshold
0.57
0.6
0.63
V
IFCB
Forced Continuous Pin Current
VFCB = 0.6V
–1
–2
μA
PGOOD Output
ΔVOSETH
PGOOD Upper Threshold
VOSET Rising
7.5
10
12.5
%
ΔVOSETL
PGOOD Lower Threshold
VOSET Falling
–7.5
–10
–12.5
%
ΔVOSET(HYS) PGOOD Hysteresis
VOSET Returning
2
%
VPGL
PGOOD Low Voltage
IPGOOD = 5mA
0.15
0.4
V
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C, VIN = 12V. External CIN = 120μF, COUT = 200μF/Ceramic per typical
application (front page) conguration.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTM4600HVE is guaranteed to meet performance
specications from 0°C to 85°C. Specications over the –40°C to 85°C
operating temperature range are assured by design, characterization
and correlation with statistical process controls. The LTM46000HVMP
is guaranteed and tested over the –55°C to 125°C temperature range.
For output current derating at high temperature, please refer to Thermal
Considerations and Output Current Derating discussion.
Note 3: Refer to current de-rating curves and thermal application note.
Note 4: Test assumes current derating versus temperature.
Note 5: Guaranteed by correlation.
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