ISL854102FRZ 查看數據表（PDF） - Intersil
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ISL854102FRZ Datasheet PDF : 19 Pages
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ISL854102
Functional Block Diagram
SS
EN
PG
VIN
FB
FS
SYNC
FB
OSCILLATOR
PFM
5M CURRENT
SET
INTERNAL = 50µA/V
EXTERNAL = 230µA/V
EN/SOFT-
START
POWER-
GOOD
LOGIC
5M
BIAS
LDO
600mV VREF
FAULT
LOGIC 500mV/A
CURRENT SENSE
PWM/PFM
SELECT LOGIC FB
sQ
RQ
PWM GATE
DRIVE AND
PWM DEADTIME
450mV/T SLOPE
COMPENSATION
(PWM ONLY)
150k
INTERNAL
54pF COMPENSATION
ZERO CURRENT
DETECTION
PACKAGE
PADDLE
COMP
GND
FIGURE 5. FUNCTIONAL BLOCK DIAGRAM
VCC
BOOT
PHASE
PGND
Ordering Information
PART NUMBER
(Notes 2, 3, 4)
PART
MARKING
TEMP. RANGE
(°C)
PACKAGE
(RoHS Compliant)
PKG.
DWG. #
ISL854102FRZ
4102
-40 to +125
12 Ld DFN
L12.4x3
NOTES:
2. Add “-T” suffix for 6k unit or “-T7A” suffix for 250 unit Tape and Reel options. Please refer to TB347 for details on reel specifications.
3. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
4. For Moisture Sensitivity Level (MSL), please see device information page for ISL854102. For more information on MSL please see techbrief TB363.
INPUT VOLTAGE
PART NUMBER
(V)
ISL85412
3.5 to 40
ISL85413
3.5 to 40
ISL85415
3 to 36
ISL85418
3 to 40
ISL85410
3 to 40
ISL854102
3 to 40
TABLE 2. KEY DIFFERENCES BETWEEN FAMILY OF PARTS
OUTPUT
CURRENT
COMPENSATION
SWITCHING FREQUENCY
150mA Internal Only
Internal 700kHz
300mA Internal Only
Internal 700kHz
500mA Internal/External Internal 500kHz/external 300kHz to 2MHz
800mA Internal/External Internal 500kHz/external 300kHz to 2MHz
1A
Internal/External Internal 500kHz/external 300kHz to 2MHz
1.2A
Internal/External Internal 500kHz/external 300kHz to 2MHz
EXT SYNC SOFT-START
No Internal
No Internal
Yes Internal/External
Yes Internal/External
Yes Internal/External
Yes Internal/External
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5
FN8870.0
July 1, 2016
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