參數(shù)資料
型號(hào): ISL8010IUZ-T13
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Monolithic 600mA Step-Down Regulator with Low Quiescent Current
中文描述: 1.2 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PDSO10
封裝: ROHS COMPLIANT, MSOP-10
文件頁數(shù): 3/12頁
文件大?。?/td> 543K
代理商: ISL8010IUZ-T13
3
FN6191.0
September 27, 2005
Block Diagram
Pin Descriptions
PIN NUMBER
PIN NAME
PIN FUNCTION
1
SGND
Negative supply for the controller stage
2
PGND
Negative supply for the power stage
3
LX
Inductor drive pin; high current digital output with average voltage equal to the regulator output voltage
4
VIN
Positive supply for the power stage
5
VDD
Power supply for the controller stage
6
SYNC
SYNC input pin; when connected to HI, regulator runs at forced PWM mode; when connected to Low, auto
PFM/PWM mode; when connected to external sync signal, at external PWM frequency up to 12MHz
7
EN
Enable
8
PG
Power-Good open drain output
9
VO
Output voltage sense
10
FB
Voltage feedback input; connected to an external resistor divider between V
O
and SGND for variable
output
-
PWM
+
-
+
-
PWM
+
-
+
-
+
CONTROL
LOGIC
PFM
ON-TIME
CONTROL
PWM
COMPEN-
SATION
RAMP
GENERA-
TOR
UNDER-
VOLTAGE
LOCKOUT
POWER
GOOD
CLOCK
SOFT-
START
BANDGAP
REFERENCE
TEMPERATURE
SENSE
+
V
IN
LX
PGND
PG
V
O
FB
SYNC
EN
V
DD
SGND
10pF
5M
124K
100K
10μF
5V
SYNC
EN
COMPARATOR
COMPARATOR
SYNCHRONOUS
RECTIFIER
N-DRIVER
P-DRIVER
CURRENT
SENSE
INDUCTOR SHORT
1.8μH
10μF
100K
PG
1.8V
0 TO 600mA
100
0.1μF
470pF
C4
ISL8010
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