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PTH04T230W Datasheet(PDF) 6 Page - Texas Instruments

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Part # PTH04T230W
Description  6-A, 2.2-V to 5.5-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans?
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PTH04T230W Datasheet(HTML) 6 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
PTH04T230W, PTH04T231W
SLTS271A – SEPTEMBER 2006 – REVISED OCTOBER 2006
PTH04T231W (Ceramic Capacitors)
T
A = 25°C, VI = 5 V, VO = 3.3 V, CI = 300 µF ceramic, CO = 300 µF ceramic, and IO = IO max (unless otherwise stated)
PARAMETER
TEST CONDITIONS
PTH04T231W
UNIT
MIN
TYP
MAX
IO
Output current
Over VO range
25
°C, natural convection
0
6
A
0.69
≤ V
O≤ 1.7
2.2
5.5
VI
Input voltage range
Over IO range
V
1.7 < VO≤ 3.6 VO+0.5(1)
5.5
VOADJ
Output voltage adjust range
Over IO range
0.69
3.6
V
Set-point voltage tolerance
±0.5
±1 (2)
%Vo
Temperature variation
–40
°C < T
A < 85°C
±0.3
%Vo
VO
Line regulaltion
Over VI range
±2
mV
Load regulation
Over IO range
±2
mV
Total output variation
Includes set-point, line, load, –40
°C ≤ T
A ≤ 85°C
±1.5 (2)
%Vo
RSET = 1.21 kΩ, VO = 3.3 V
94%
RSET = 2.38 kΩ, VO = 2.5 V
92%
RSET = 4.78 kΩ, VO = 1.8 V
90%
η
Efficiency
IO = 6 A
RSET = 7.09 kΩ, VO = 1.5 V
89%
RSET = 12.1 kΩ, VO = 1.2 V
87%
RSET = 20.8 kΩ, VO = 1.0 V
85%
RSET = 689 kΩ, VO = 0.7 V
81%
VO Ripple (peak-to-peak)
20-MHz bandwidth
1
%VO
ILIM
Overcurrent threshold
Reset, followed by auto-recovery
10
A
Recovery time
100
µs
w/o TurboTrans
CO= 300 µF, Type A
VO over/undershoot
70
mV
2.5 A/µs load step
w/o TurboTrans
Recovery time
100
µs
50 to 100% IOmax
CO= 800 µF, Type A
Transient response
mV
VI = 3.3 V
VO over/undershoot
55
RTT = open
VO = 2.5 V
w/ TurboTrans
Recovery time
150
µs
CO= 800 µF, Type A
mV
VO over/undershoot
35
RTT = 11.3 kΩ
IIL
Track input current (pin 9)
Pin to GND
–130(3)
µA
dVtrack/dt
Track slew rate capability
CO ≤ CO (max)
1
V/ms
VI increasing, RUVLO = OPEN
1.95
2.19
Adjustable Under-voltage lockout
UVLOADJ
Vi decreasing, RUVLO = OPEN
1.3
1.5
V
(pin 10)
Hysteresis, RUVLO = OPEN
0.5
Input high voltage (VIH)
Open(4)
V
Inhibit control (pin 10)
Input low voltage (VIL)
-0.2
0.8
Input low current (IIL ), Pin 10 to GND
-235
µA
Iin
Input standby current
Inhibit (pin 10) to GND, Track (pin 9) open
5
mA
f s
Switching frequency
Over VI and IO ranges, SmartSync (pin 1) to GND
300
kHz
Synchronization (SYNC)
fSYNC
240
400
kHz
frequency
VSYNCH
SYNC High-Level Input Voltage
2
5.5
V
VSYNCL
SYNC Low-Level Input Voltage
0.8
V
tSYNC
SYNC Minimum Pulse Width
200
nSec
CI
External input capacitance
Ceramic
300 (5)
µF
(1)
The minimum input voltage is 2.2 V or (VO + 0.5) V, whichever is greater.
(2)
The set-point voltage tolerance is affected by the tolerance and stability of RSET. The stated limit is unconditionally met if RSET has a
tolerance of 1% with 100 ppm/°C or better temperature stability. .
(3)
A low-leakage (<100 nA), open-drain device, such as MOSFET or voltage supervisor IC, is recommended to control pin 9. The
open-circuit voltage is less than VI.
(4)
This control pin has an internal pull-up. Do not place an external pull-up on this pin. If it is left open-circuit, the module operates when
input power is applied. A small, low-leakage (<100 nA) MOSFET is recommended for control. The open-circuit voltage is less than 3.5
Vdc. For additional information, see the related application note.
(5)
300 µF of ceramic input capacitance is required for proper operation.
6
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