STEVAL-ISA028V1 STMicroelectronics, STEVAL-ISA028V1 Datasheet - Page 4

• Manufacturer Part Number: STEVAL-ISA028V1
• Description: BOARD EVAL 1PH STPDWN CONV L6727
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA028V1

• Design Resources: STEVAL-ISA028V1 Gerber Files STEVAL-ISA028V1 Schematic STEVAL-ISA028V1 Bill of Materials
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.25V
• Current - Output: 20A
• Voltage - Input: 5 ~ 12V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6727
• Input Voltage: 5 V to 12 V
• Output Voltage: 1.25 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L6727
• Other names: 497-6258

Typical application circuit and block diagram
1
1.1
1.2
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Typical application circuit and block diagram
Application circuit
Figure 1.
Block diagram
Figure 2.
V
CC
= 5V to 12V
R
C
OS
P
OSCILLATOR
C
300 kHz
Typical application circuit
Block diagram
DEC
(**) Up to 12V with Vcc > 5V
L6727
L6727 Reference Schematic
(*) R
R
R
C
R
OCSET
FB
OCSET
F
F
(*)
7
6
not to be connected when VCC > 5V
COMP /
DIS / OC
FB
CONTROL LOGIC
& PROTECTIONS
GND
VCC
Doc ID 12933 Rev 4
AMPLIFIER
ERROR
5
3
UGATE
PHASE
LGATE
BOOT
1
2
8
4
R
DISABLE
C
D
R
R
D
BOOT
gHS
gLS
+
-
PWM
CURRENT READ
0.8V
& OCP
HS
LS
C
R
C
SN
SN
HF
L
V
IN
= 1.5V to 19V (**)
HS
LS
VCC
C
C
BULK
OUT
LOAD
Vout
BOOT
UGATE
PHASE
LGATE
GND
L6727