參數(shù)資料
型號(hào): ISL6420IRZ-TK
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
中文描述: 0.7 A SWITCHING CONTROLLER, 1400 kHz SWITCHING FREQ-MAX, PQCC20
封裝: 4 X 4 MM, ROHS COMPLIANT, PLASTIC, MO-220-VGGD, QFN-20
文件頁數(shù): 3/19頁
文件大?。?/td> 525K
代理商: ISL6420IRZ-TK
3
FN9151.4
July 18, 2005
Functional Block Diagram
Typical 5V Input DC/DC Application Schematic
GENERATOR
PWM
COMP
ERROR
AMP
VIN
VMSET/MODE
PGND
OCSET
GPIO2
REFOUT
PHASE
LOGIC
BOOT
UGATE
LGATE
PHASE
REFERENCE
0.6V
+
-
+
-
VOLTAGE
MARGINING
GPIO1/REFIN
OV/UV
VOLTAGE
MONITOR
RAMP
PVCC
PWM
LOGIC
OSC
EN/SS
UVFLT
OVFLT
UVFLT
OVFLT
OCFLT
FAULT
LOGIC
FB
COMP
FB
ENSS
RT
LDO
VCC5
+
-
PHASE
OVERCURRENT
COMP
SGND
SS
CDEL
PGOOD
RT
FB
COMP
ENSS
REF
-
+
+
-
+
-
OSC
VIN
5V
C1
L1
C10
0.1
μ
F
UGATE
OCSET
PHASE
BOOT
D1
Q1
C7
R2
R4
C12
C11
C2
C6
C5
R1
C9
LGATE
Q2
3.3V
R3
MONITOR AND
PROTECTION
+
-
GPIO1/REFIN
GPIO2
REFOUT
VMSET/MODE
CDEL
PGND
PVCC
SGND
VCC5
C4
C3
PGOOD
R5
C8
R6
C13
ISL6420
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