LED5000PHR STMicroelectronics, LED5000PHR Datasheet - Page 3
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LED5000PHR
Manufacturer Part Number
LED5000PHR
Description
Current & Power Monitors & Regulators 3A monolithic Conv 850kHz Synch
Manufacturer
STMicroelectronics
Datasheet
1.LED5000PHR.pdf
(51 pages)
Specifications of LED5000PHR
Rohs
yes
Product
Current Regulators
Supply Voltage - Max
48 V
Supply Voltage - Min
5.5 V
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
SMD/SMT
Package / Case
HPSO-8
Accuracy
+/- 3 %
Input Voltage Range
5.5 V to 48 V
Output Current
23 uA
Sensing Method
High or Low Side
Supply Current
1.7 mA
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LED5000PHR
Manufacturer:
ISSI
Quantity:
1 001
LED5000
6
7
8
9
5.10
5.11
5.12
5.13
Application notes - alternative topologies . . . . . . . . . . . . . . . . . . . . . . 34
6.1
6.2
6.3
6.4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
5.9.2
5.9.3
Layout considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Thermal considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Short-circuit protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Inverting buck-boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Positive buck-boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Floating boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Compensation network design for alternative topologies . . . . . . . . . . . . . 44
6.4.1
6.4.2
Inductor and output capacitor selection . . . . . . . . . . . . . . . . . . . . . . . . . 23
Input capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
fp < BW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
fp > BW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Doc ID 023951 Rev 1
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