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PDF TCK322G Data sheet ( Hoja de datos )
| Número de pieza | TCK322G | |
| Descripción | Dual Inputs - Single Output Power Multiplexer IC | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TCK321G, TCK322G
TOSHIBA CMOS Linear Integrated Circuit Silicon Monolithic
TCK321G, TCK322G
36 V, Dual Inputs – Single Output Power Multiplexer IC
with Over Voltage Protection
The TCK321G and TCK322G are 36 V high input voltage Dual
Inputs-Single Output multiplexer load switch ICs. It has Over Voltage
Protection featuring low switch ON resistance, high output current
and wide input voltage operation. Switch ON resistance is only 98
mΩ at 4.5 V, - 1.0 A load conditions. And these feature a slew rate
control driver, thermal shutdown and flag function. Also it can block
reverse current if switch turned off. Output current is available up to
2.0 A per channel. Thus this is suitable for power management
selector such as Battery Charge application.
This device is available in 0.5 mm pitch small package WCSP16C
(1.9 mm x 1.9 mm, t: 0.5 mm (typ.)).Thus this devices is ideal for
portable applications that require high-density board assembly such
as mobile phone.
Weight : 3.9 mg ( typ.)
Feature
• High output current: IOUT (DC) = 2 A, per channel
• Low ON resistance : RON = 98 mΩ (typ.) at VIN = 4.5 V, - 1.0 A, per channel
• Wide input voltage operation: VIN = 2.3 to 36 V
• Over Voltage Lockout : 12.0 V, 15.0 V (typ.)
• Under Voltage Lockout: 2.9 V (typ.)
• Reverse current blocking per channel(SW OFF state)
• Inrush current reducing circuit.
• Auto selection mode
• Manual selection mode
• Break Before Make switch
• Thermal Shutdown function
• Small package: 0.5 mm pitch WCSP16C (1.9 mm x 1.9 mm, t: 0.5 mm (typ.)), PD = 1.65 W
WCSP16C
Top marking
Index
321: TCK321G
322: TCK322G
1
Start of commercial production
2015-10
2015-10-20
1 page  
DC Characteristics (Ta = -40 to 85°C)
Characteristics
Symbol
Test Condition
Input voltage
VSEL, CNT High-level input voltage
VSEL, CNT Low-level input voltage
Over voltage lock out (OVLO)
rising threshold
Over voltage lock out (OVLO)
falling threshold
Under voltage lock out (UVLO)
rising threshold
Under voltage lock out (UVLO)
falling threshold
Quiescent current (Switch ON state)
Quiescent current (Switch OFF state)
Switch OFF state current
Reverse blocking current
On resistance
FLAG Leak current
FLAG Output low voltage
VSEL , CNT Pull up resistance
VIN
VIH
VIL
VOVL_RI
―
VINA, VINB = 2.3 to 36 V
VINA, VINB = 2.3 to 36 V
TCK321G
TCK322G
VOVL_FA ―
VUVL_RI ―
VUVL_FA ―
IQ(ON)
IQ(OFF)
IOFF
IRB
RON
ILEAK
VOL
RVC
Q1 or Q2 = ON mode,
IOUT = 0 mA , VIN=5.0 V
CNT and VSEL: Low,
VINA or VINB = 5.0 V,
VOUT = 0 V
CNT and VSEL: Low,
VIN = Open, VOUT = 5 V
CNT and VSEL: Low,
VIN = 0 V, VOUT = 5.0 V
IOUT = -1.0 A, VIN = 4.5 V
VIO = 5.0 V
ISINK = 1 mA, VIO = 5.0 V
―
TCK321G, TCK322G
Ta = 25°C
Min Typ.
2.3 ―
1.6 ―
――
― 12.0
― 15.0
―
VOVL_RI
- 0.5
― 2.9
―
VUVL_RI
- 0.3
― 140
Ta = −40 to 85°C
Unit
Max Min Max
36 2.3 36 V
― 1.6 ― V
0.4 ― 0.4 V
― 10.5 13.5
V
― 13.4 16.6
― ― ―V
― 2.3 3.5 V
― ― ―V
― ― 200 μA
― 60 ― ― 90 μA
― 0.1 ― ― 1 μA
― 0.1 ― ― 10 μA
― 98 ― ― 170 mΩ
― ― 2 ― 2 μA
― ― 0.4 ― 0.4 V
― 500 ― ― ― kΩ
AC Characteristics (Ta = 25°C)
Characteristics
Hold time
VOUT OVP off time
VOUT off time
VOUT rise time
VOUT fall time
VIN selection delay time
Break Before Make time
Symbol
Test Condition (Figure 1, 2, 3, 4)
tHD
tOVP
tOFF
tr
tf
tSEL
tBBM
VUVL < VIN(5 V) < VOVL, RL = 50 Ω
Initial start up VOUT off state to charge-pump on
state
VIN > VOVLO_RI , VIN rising = 2 V/μs,
RL = 50 Ω , VOUT to 80% of VOVLO_RI
VUVL < VIN (5 V) < VOVL, RL = 50 Ω ,
CNT low to high to VOUT to 80% of VIN
VIN= 5.0 V , RL = 50 Ω , CL= 1.0 uF
VIN= 5.0 V , RL = 50 Ω , CL= 1.0 uF
VIN= 5.0 V , RL = 50 Ω ,
VIN= 5.0 V , RL = 50 Ω ,
Min Typ. Max Unit
― 15 ― ms
― 3 ― μs
― 0.5 ― μs
― 2 ― ms
― 0.12 ― ms
― 0.5 ― μs
― 15 ― ms
5 2015-10-20
5 Page 
Package Dimensions
WCSP16C
TCK321G, TCK322G
Unit: mm
Weight : 3.9 mg ( typ.)
11
2015-10-20
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet TCK322G.PDF ] | |
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