RT3602AC
Ordering Information
RT3602AC
Pin Configuration
(TOP VIEW)
Package Type
QW : WQFN-52L 6x6 (W-Type)
Lead Plating System
G : Green (Halogen Free and Pb Free)
52 51 50 49 48 47 46 45 44 43 42 41 40
Note :
1
2
3
4
5
6
7
8
39
38
37
36
35
34
33
32
IMON_MAIN
SET1
FB_MAIN
COMP_MAIN
SET2
DRVEN
VCLK
ALERT
VDIO
Richtek products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
VR_HOT
Suitable for use in SnPb or Pb-free soldering processes.
IMON_AUXI
ISENP_AUXI
ISENN_AUXI
VSEN_AUXI
COMP_AUXI
RGND_AUXI
FB_AUXI
SET3
GND
ISEN1N_MAIN
ISEN2N_MAIN
ISEN2P_MAIN
ISEN1P_MAIN
TSEN_MAIN
VIN
9
31
30
29
28
27
Marking Information
10
11
12
13
53
RT3602ACGQW : Product Number
RT3602AC
GQW
YMDNN
YMDNN : Date Code
VCC
TSEN_AUXI
14 15 16 17 18 19 20 21 22 23 24 25 26
WQFN-52L 6x6
Functional Pin Description
Pin No
Pin Name
Pin Function
MAIN rail VR current monitor output. This pin outputs a voltage proportional to
the output current.
1
IMON_MAIN
Platform setting. Platform can use this pin to set switching frequency, ki gain,
QRTH, QR width and anti-overshoot for Auxiliary VR. Connect the SET1 pin to
2
SET1
5V and turn-on the EN pin, if the soldering is good, V
= V
=
SEN_MAIN
SEN_AUXI
1.1V and V
= 1.05V.
SEN_SA
Negative Input of the error amplifier. This pin is for MAIN rail VR output voltage
feedback to controller.
3
4
5
FB_MAIN
COMP_MAIN
SET2
MAIN rail VR compensation. This pin is error amplifier output pin.
Platform setting. Platform can use this pin to set switching frequency, ki gain,
QRTH, QR width and anti-overshoot for MAIN VR.
Platform setting. Platform can use this pin to set switching frequency, ki gain
zero load-line, QRTH and QR width for VCCSA rail. And it can be set
DVID TH and force-non-zero VBOOT function for MAIN and AUXI rail.
6
SET3
7, 8
10, 9
11
ISEN[1:2]N_MAIN Negative current sense inputs of multi-phase MAIN rail VR Channel 1 and 2.
ISEN[1:2]P_ MAIN Positive current sense inputs of multi-phase MAIN rail VR Channel 1 and 2.
TSEN_ MAIN
VIN
Thermal sense input for MAIN rail VR.
12
VIN input pin. Connect a low pass filter to this pin to set on-time.
Controller power supply. Connect this pin to 5V and place a decoupling
capacitor 2.2F at least. The decoupling capacitor is placed as close to PWM
controller as possible.
13
VCC
Copyright 2018 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS3602AC-02 June 2018
www.richtek.com
2
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
