The JTML1482A is a monolithic synchronous buck regulator.(2)
时间:2015-11-14 16:48来源:未知 作者:oumao18 点击:
次
七 , 功能 概述 Parameters Symbol Test Condition Min. Typ. Max. Unit ShuJTMLown Supply Current VEN = 0V 1 3.0 A Supply Current VEN = 2.0V; VFB = 1.0V 1.3 1.5 mA Feedback Voltage VFB 4.75V VIN 20V
七,功能概述
|
Parameters |
Symbol |
Test Condition |
Min. |
Typ. |
Max. |
Unit |
|
ShuJTMLown Supply Current |
|
VEN = 0V |
|
1 |
3.0 |
µA |
|
Supply Current |
|
VEN = 2.0V; VFB =
1.0V |
|
1.3 |
1.5 |
mA |
|
Feedback Voltage |
VFB |
4.75V ≤ VIN ≤ 20V |
0.900 |
0.923 |
0.946 |
V |
|
Feedback Overvoltage Threshold |
|
|
|
1.1 |
|
V |
|
Error Amplifier Voltage Gain * |
AEA |
|
|
400 |
|
V/V |
|
Error Amplifier Transconductance |
GEA |
∆IC = ±10µA |
|
800 |
|
µA/V |
|
High-Side Switch On Resistance * |
RDS(ON)1 |
|
|
130 |
|
mΩ |
|
Low-Side Switch On Resistance * |
RDS(ON)2 |
|
|
130 |
|
mΩ |
High-Side Switch Leakage
Current |
|
VEN = 0V, VSW = 0V |
|
|
10 |
µA |
|
Upper Switch Current Limit |
|
Minimum Duty Cycle |
2.4 |
3.4 |
|
A |
|
Lower Switch Current Limit |
|
From Drain to Source |
|
1.1 |
|
A |
COMP to Current Sense
Transconductance |
GCS |
|
|
3.5 |
|
A/V |
|
Oscillation Frequency |
Fosc1 |
|
|
340 |
|
KHz |
Short Circuit Oscillation
Frequency |
Fosc2 |
VFB = 0V |
|
100 |
|
KHz |
|
Maximum Duty Cycle |
DMAX |
VFB = 1.0V |
|
90 |
|
% |
|
Minimum On Time * |
|
|
|
220 |
|
ns |
|
EN ShuJTMLown Threshold Voltage |
|
VEN Rising |
1.1 |
1.5 |
2.0 |
V |
EN ShuJTMLown Threshold Voltage
Hysteresis |
|
|
|
210 |
|
mV |
|
EN Lockout Threshold Voltage |
|
|
2.2 |
2.5 |
2.7 |
V |
|
EN Lockout Hysterisis |
|
|
|
210 |
|
mV |
八,相关产品
|
Part No. |
Input |
Output Voltage |
Current |
Frequency |
Efficiency |
Package |
Precision |
OCP |
OTP |
SP |
Congeneric |
|
Voltage |
MAX |
Products |
|
JTMT1482 |
23V |
ADJ |
1.6A |
340KHZ |
93% |
SOP8 |
2% |
Y |
Y |
Y |
MP1482/MP2307 |
|
JTMT1482A |
23V |
ADJ |
2A |
340KHZ |
93% |
SOP8 |
2% |
Y |
Y |
Y |
MP1482/MP2307 |
|
JTMT1483 |
23V |
ADJ |
2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT1483A |
23V |
ADJ |
2.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT1484 |
23V |
ADJ |
3A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
MP1484 |
|
JTMT1484A |
23V |
ADJ |
3.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
MP1484 |
|
JTMT1484B |
23V |
ADJ(PSM) |
3.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
MP1484 |
|
JTMT1519 |
32V |
ADJ |
2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT1519A |
32V |
ADJ |
2A |
600KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT1529 |
32V |
ADJ |
1.6A |
340KHZ |
93% |
SOP8 |
2% |
Y |
Y |
Y |
MP1482/MP2307 |
|
JTMT2776 |
32V |
ADJ |
2.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT2776A |
32V |
ADJ |
2.2A |
600KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT2776B |
22V |
ADJ |
3A |
600KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT2778 |
32V |
ADJ |
2.2A |
200KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
JTMT6810 |
5.5V |
1.2/.15/1.8/ADJ |
800mA |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
LTC3406/RT8008 |
|
JTMT6811 |
5.5V |
1.2/.15/1.8/ADJ |
1.2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
JTMT6811B |
5.5V |
1.2/.15/1.8/ADJ |
1.2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
JTMT6814 |
5.5V |
1.2/.15/1.8/ADJ |
1.2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
JTMT6815 |
5.5V |
1.2/.15/1.8/ADJ |
1.5A |
1.5MHZ |
96% |
SOP8 |
2% |
Y |
Y |
Y |
|
|
JTMT6817 |
5.5V |
1.2/.15/1.8/ADJ |
2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
JTMT6821 |
5.5V |
1.2/.15/1.8/ADJ |
1.5A*2 |
1.5MHZ |
96% |
SOP8 |
2% |
Y |
Y |
Y |
SY8021/SY8021L |
(责任编辑：oumao18) |
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