TS30022 Datasheet, PDF (2/19 Pages) List of Unclassifed Manufacturers – High Efficiency 1A/2A/3A Current-Mode Synchronous Buck DC/DC Converter, 2MHz and 470mA LDO

PINOUT
TS30021/22/23
Version 1.5
PIN 1 VSW
VSW
VCC
VLDO
TS30021/22/23
VCC
BST
GND
/EN
Figure 1: 16 Lead 3x3 QFN, Top View
PIN DESCRIPTION FOR 16 LEAD 3X3 QFN
Pin Symbol Pin #
Function
Description
VSW
1
Switching Voltage Node
Connected to 1.5uH (typical) inductor
VCC
2
Input Voltage
Input voltage
VCC
3
Input Voltage
Input voltage
GND
4
GND
Primary ground for the majority of the device except
the low-side power FET
Switching Regulator FB Voltage. Connects to VOUT for
FB
5
Feedback Input for Switcher
fixed mode and the output resistor divider for
adjustable mode
FBLDO
6
Feedback Input for LDO
LDO Regulator FB Voltage. Connects to output resistor
divider to adjust LDO voltage
VOLDO
7
LDO Output
LDO regulator output
PG
8
PG Output
Open-drain output
EN
9
Enable Input
Active high enable pin. Includes internal pull-up.
BST
10
Bootstrap Capacitor
Bootstrap capacitor for the high-side FET gate driver.
22nF ceramic capacitor from BST pin to VSW pin
VLDO
11
LDO Input Voltage
Input Voltage for LDO regulator
VSW
12
Switching Voltage Node
Connected to 1.5uH (typical) inductor
VSW
13
Switching Voltage Node
Connected to 1.5uH (typical) inductor
PGND
14
Power GND
GND supply for internal low-side FET/integrated diode
PGND
15
Power GND
GND supply for internal low-side FET/integrated diode
VSW
16
Switching Voltage Node
Connected to 1.5uH (typical) inductor
Specifications subject to change
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