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ISL95839 View Datasheet(PDF) - Intersil

Part Name
Description
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ISL95839 Datasheet PDF : 36 Pages
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ISL95839
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART MARKING
TEMP. RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL95839HRTZ
95839 HRTZ
-10 to +100
40 Ld 5x5 TQFN
L40.5x5
NOTES:
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. 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.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL95839. For more information on MSL please see techbrief TB363.
Pin Configuration
ISL95839
(40 LD TQFN)
TOP VIEW
40 39 38 37 36 35 34 33 32 31
ISUMPG 1
IMONG 2
IMON 3
NTCG 4
SCLK 5
ALERT# 6
GND PAD
(BOTTOM)
SDA 7
VR_HOT# 8
FB2 9
NTC 10
11 12 13 14 15 16 17 18 19 20
30 BOOT2
29 UGATE2
28 PHASE2
27 LGATE2
26 VCCP
25 VDD
24 PWM3
23 LGATE1
22 PHASE1
21 UGATE1
Pin Descriptions
PIN # SYMBOL
DESCRIPTION
2
IMONG Output current monitor for VR2.
3
IMON
Output current monitor for VR1.
4
NTCG
The second thermistor input to VR_HOT# circuit. Use it to monitor VR2 temperature.
5, 6, 7 SCLK, ALERT#, Communication bus between the CPU and the VRs.
SDA
8
VR_HOT# Open drain thermal overload output indicator. Can be considered part of communication bus with CPU.
9
FB2
There is a switch between the FB2 pin and the FB pin. The switch is on when VR1 is in 3-phase and 2-phase mode and is off
in 1-phase mode. The components connecting to FB2 are used to adjust the compensation in 1-phase mode to achieve
optimum performance for VR1.
10
NTC
One of the thermistor inputs to VR_HOT# circuit. Use it to monitor VR1 temperature.
11
ISEN3
ISEN3 is the individual current sensing for VR1 phase 3.
3
FN8315.0
May 9, 2013
 

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