XC9213 Selling Leads, Price trend, XC9213 DataSheet download, circuit diagram from SeekIC.com

Features: ·Input Voltage Range : 2.5V ~ 25.0V·Output Voltage Range : 1.5V ~ 15.0V externally set·Reference voltage : 1.0V (±1.5%)·Oscillation Frequency: 300kHz (±15%)·Output Current :More than 5A (VIN=5.0V, VOUT=3.3V)·Control : PWM/PFM manual-switching control.·Current Limiter, Protection: Current...

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Description

Features:

·Input Voltage Range                     : 2.5V ~ 25.0V
·Output Voltage Range                   : 1.5V ~ 15.0V externally set
·Reference voltage                         : 1.0V (±1.5%)
·Oscillation Frequency                    : 300kHz (±15%)
·Output Current                             : More than 5A (VIN=5.0V, VOUT=3.3V)
·Control                                          : PWM/PFM manual-switching control.
·Current Limiter, Protection            : Current limit operates at voltage
                                                        sense 150mV.
                                                          Shutdown time can be adjusted
                                                          by CPRO.
·High Efficiency                               : 93% (TYP., PWM mode @ VIN=5.0V,
                                                          VOUT = 3.3V, 1A)
·Detect Voltage Function                : Detects 0.9V / Open-drain output
·Stand-by Current                          : ISTB = 3.0µA (MAX.)
·Load Capacitor                              : Low ESR (ceramic, etc.)
                                                          capacitor compatible
·Package                                        : TSSOP-16

Application

# PDAs
# Mobile Phones
# Note book computers
# Portable Audio Systems
# Various Multi-function Power Supplies

Pinout

Connection Diagram

Specifications

PARAMETER	SYMBOL	RATINGS	UNITS
VIN pin voltage	VIN	- 0.3~30.0	V
VSENSE pin voltage	VSENSE	- 0.3~30.0	V
VL pin voltage	VL	- 0.3~30.0	V
CE pin voltage	CE	- 0.3~30.0	V
MODE pin voltage	MODE	- 0.3~30.0	V
CPRO pin voltage	CPRO	- 0.3~6.0	V
CSS pin voltage	CSS	- 0.3~6.0	V
VDIN pin voltage	VDIN	- 0.3~6.0	V
FB pin voltage	FB	- 0.3~6.0	V
VDOUT pin voltage	VDOUT	- 0.3 ~ 6.0	V
EXT2 pin voltage	EXT2	- 0.3 ~ 6.0	V
Lx pin voltage	Lx	- 0.3 ~ 30.0	V
EXT1 pin voltage	EXT1	- 0.3 ~ 30.0	V
BST pin voltage	BST	- 0.3 ~ 30.0	mW
Power Dissipation	Pd	350
Operational Ambient Temperature	Topr	- 40 ~ + 85
Storage Temperature	Tstg	55 ~ + 125

Description

XC9213 series is Nch-Nch drive, synchronous, step-down DC/DC controller ICs with a built-in bootstrap driver circuit. Output will be stable no matter which load capacitors, including a low ESR capacitor, are used.

Resistance (RSENSE) of about 100mΩ XC9213 will be required as a current sense. The phase compensation is also run when a low ESR capacitor is used. In addition, the circuit is double protected by the ways of limiting the current while detecting overshoot current and making output shutdown at any given timing by a protection time setting capacitor (CPRO).

The XC9213 output voltage can be set freely within a range of 1.5V~15.0V with 1.0V (accuracy ±1.5%) of internal reference voltage by using externally connected resistors (RFB1, 2). Synchronous rectification PWM control can be switched to non-synchronous 30mV current limit PFM/PWM automatic switchable control (= voltage between RSENSE pins) by using the MODE pin.

The XC9213 series has a built-in voltage detector for monitoring a selected voltage by external resistors. During stand-by (CE pin = low) all circuits are shutdown to reduce current consumption to as low as 3.0µA or less.

XC9213

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