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Details, datasheet, quote on part number:TPS77701
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| Part: | TPS77701 |
| Category: | Power Management => Regulators => Linear Regulators => LDO (Low Drop Out) |
| Description: | Fast-transient-responce 750-ma Low-dropout Voltage Regulator |
| Company: | Texas Instruments, Inc. |
| Datasheet: | Download TPS77701 datasheet File size : 322 kB |
| Request For quote: | Find where to buy TPS77701
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Datasheet text preview:
TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 WITH RESET OUTPUT TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 WITH PG OUTPUT FAST-TRANSIENT-RESPONSE 750-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS230E SEPTEMBER 1999 REVISED FEBRUARY 2002
D D D D D D D D D D
Open Drain Power-On Reset With 200-ms Delay (TPS777xx) Open Drain Power Good (TPS778xx) 750-mA Low-Dropout Voltage Regulator Available in 1.5-V, 1.8-V, 2.5-V, 3.3-V Fixed Output and Adjustable Versions Dropout Voltage to 260 mV (Typ) at 750 mA (TPS77x33) Ultralow 85 µA Typical Quiescent Current Fast Transient Response 2% Tolerance Over Specified Conditions for Fixed-Output Versions 8-Pin SOIC and 20-Pin TSSOP PowerPAD (PWP) Package Thermal Shutdown Protection
PWP PACKAGE (TOP VIEW)
GND/HSINK GND/HSINK GND NC EN IN IN NC GND/HSINK GND/HSINK
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
GND/HSINK GND/HSINK NC NC RESET/PG FB/NC OUT OUT GND/HSINK GND/HSINK
NC No internal connection D PACKAGE (TOP VIEW)
description
TPS777xx and TPS778xx are designed to have a fast transient response and be stable with a 10-µF low ESR capacitors. This combination provides high performance at a reasonable cost.
TPS77x33 DROPOUT VOLTAGE vs FREE-AIR TEMPERATURE
103 VO Change in Output Voltage mV 50 0 50 1000 500 0
GND EN IN IN
1 2 3 4
8 7 6 5
RESET/PG FB/NC OUT OUT
TPS77x33 LOAD TRANSIENT RESPONSE
Co = 2x47 µF ESR = 1/2x100 m VO = 3.3 V VI = 4.3 V
VDO Dropout Voltage mV
102
IO = 750 mA
101
100
IO = 10 mA
101 Co = 10 µF 102 60 40 20 0 20 40 IO = 0 60 80 100 120 140
I O Output Current mA
TA Free-Air Temperature °C
0
20
40
60
80 100 120 140 160 180 200 t Time µs
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright 2002, Texas Instruments Incorporated
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
1
TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 WITH RESET OUTPUT TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 WITH PG OUTPUT FAST-TRANSIENT-RESPONSE 750-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS230E SEPTEMBER 1999 REVISED FEBRUARY 2002
description (continued)
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 260 mV at an output current of 750 mA for the TPS77x33) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 750 mA). These two key specifications yield a significant improvement in operating life for battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to 1 µA at TJ = 25°C. The RESET output of the TPS777xx initiates a reset in microcomputer and microprocessor systems in the event of an undervoltage condition. An internal comparator in the TPS777xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. Power good (PG) of the TPS778xx is an active high output, which can be used to implement a power-on reset or a low-battery indicator. The TPS777xx and TPS778xx are offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.5 V to 5.5 V for TPS77701 option and 1.2 V to 5.5 V for TPS77801 option). Output voltage tolerance is specified as a maximum of 2% over line, load, and temperature ranges. The TPS777xx and TPS778xx families are available in 8 pin SOIC and 20 pin PWP packages.
AVAILABLE OPTIONS OUTPUT VOLTAGE (V) TYP 3.3 2.5 1.8 40°C to 125°C to 125 1.5 Adjustable 1.5 V to 5.5 V Adjustable 1.2 V to 5.5 V TSSOP (PWP) TPS77733PWP TPS77725PWP TPS77718PWP TPS77715PWP TPS77701PWP -- TPS77833PWP TPS77825PWP TPS77818PWP TPS77815PWP -- TPS77801PWP PACKAGED DEVICES SOIC (D) TPS77733D TPS77725D TPS77718D TPS77715D TPS77701D -- TPS77833D TPS77825D TPS77818D TPS77815D -- TPS77801D
TJ
The TPS77x01 is programmable using an external resistor divider (see application information). The D and PWP packages are available taped and reeled. Add an R suffix to the device type (e.g., TPS77701DR). 6 7 IN OUT 0.1 µF 5 EN GND 3 OUT 14 13 + Co 10 µF VO RESET/ PG 16
VI
IN
RESET/PG
See application information section for capacitor selection details.
Figure 1. Typical Application Configuration for Fixed Output Options
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POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 WITH RESET OUTPUT TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 WITH PG OUTPUT FAST-TRANSIENT-RESPONSE 750-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS230E SEPTEMBER 1999 REVISED FEBRUARY 2002
functional block diagram--adjustable version
IN EN PG or RESET _ + OUT
+ _ Vref = 1.1834 V
200 ms Delay (for RESET Option) FB/NC
R1
R2
GND
External to the device
functional block diagram--fixed-voltage version
IN EN PG or RESET _ + OUT
+ _ Vref = 1.1834 V
200 ms Delay (for RESET Option)
R1
R2
GND
POST OFFICE BOX 655303
· DALLAS, TEXAS 75265
3
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