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参数资料
| 型号： | L296PHT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 7 A SWITCHING REGULATOR, 200 kHz SWITCHING FREQ-MAX, PZFM15 |
| 封装： | PLASTIC, POWER PACK-15 |
| 文件页数： | 1/22页 |
| 文件大小： | 285K |
| 代理商： | L296PHT |
L296
L296P
June 2000
HIGH CURRENT SWITCHING REGULATORS
.
4 A OUTPUT CURRENT
.
5.1 V TO 40 V OUTPUT VOLTAGE RANGE
.
0 TO 100 % DUTY CYCLE RANGE
.
PRECISE (
±2 %) ON-CHIP REFERENCE
.
SWITCHING FREQUENCY UP TO 200 KHz
.
VERY HIGH EFFICIENCY (UP TO 90 %)
.
VERY FEW EXTERNAL COMPONENTS
.
SOFT START
.
RESET OUTPUT
.
EXTERNAL PROGRAMMABLE LIMITING
CURRENT (L296P)
.
CONTROL CIRCUIT FOR CROWBAR SCR
.
INPUT FOR REMOTE INHIBIT AND
SYNCHRONUS PWM
.
THERMAL SHUTDOWN
DESCRIPTION
The L296 andL296P are stepdownpower switching
regulators delivering 4 A at a voltage variable from
5.1 V to 40 V.
Featuresof the devices includesoft start, remote in-
hibit, thermal protection, a reset output for micro-
processors and a PWM comparator input for syn-
chronization in multichip configurations.
The L296P incudes external programmable limiting
current.
The L296 and L296P are mounted in a 15-lead Mul-
tiwatt
plasticpowerpackageandrequiresvery few
external components.
Efficient operation at switching frequencies up to
200 KHz allows a reduction in the size and cost of
external filter components. A voltage sense input
and SCR drive output are provided for optional
crowbar overvoltage protection with an external
SCR.
Multi watt
(15 lead)
ORDERING NUMBERS :
L296 (Vertical)
L296HT (Horizontal)
L296P (Vertical)
L296PHT (Horizont al)
PIN CONNECTION (top view)
1/22
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