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www.ti.com TPS65137AEVM Electrical and Performance Specifications
1.3 Features
• 2.3-V to 5.5-V input voltage range
• 1 % output voltage accuracy OUTP
• Excellent line transient regulation
• Low-noise operation
• 200-mA output current
• Fixed, 4.6-V positive output voltage
• Digitally programmable negative output voltage down to –5.2 V
• –4.9-V default value for OUTN
• Advanced Power-Save mode
• Short-circuit protection
• Thermal shutdown
• High-impedance output in shutdown
• Double-sided, two-active-layer PCB with all components on top side
2 TPS65137AEVM Electrical and Performance Specifications
Table 1. TPS65137AEVM Electrical and Performance Specifications
Parameter Notes and Conditions Min Typ Max Unit
Input Characteristics
V
IN
Input Voltage 2.3 5.5 V
I
IN
Input Current V
IN
= 3.5 V, I
out
= 200 mA 680 mA
No Load Input Current V
IN
= 3.5 V, I
OUTP
= I
OUTN
= 0 mA 0.6 2 mA
Output Characteristics
V
OUTP
Positive Output Voltage V
IN
= 3.5 V, I
OUTP
= 200 mA 4.5 4.6 4.7 V
Line Regulation OUTP V
IN
= 2.7 V to 4.2 V, I
OUTP
= 50 mA 3 mV
Load Regulation OUTP I
OUTP
= 10 mA to 200 mA, PWM; V
IN
= 3.5 V 2 mV
V
OUTN
Default Negative Output V
IN
= 3.5 V, I
OUTN
= 200 mA -4.8 -4.9 -5.0 V
Voltage
Line Regulation OUTN V
IN
= 2.7 V to 4.2 V, I
OUT
= 50 mA 3 mV
Load Regulation OUTN I
OUTN
= 10 mA to 200 mA, ; V
IN
= 3.5 V 3 mV
V
OUTP(PP)
Output Voltage Ripple OUTP V
IN
= 3.5 V, I
OUT
= 200 mA 5 mV
PP
V
OUTN(PP)
Output Voltage Ripple OUTN V
IN
= 3.5 V, I
OUT
= 200 mA 40 mV
PP
System Characteristics
f
SW
Switching Frequency 1.6 MHz
h
pk
Peak Efficiency V
IN
= 3.5 V 85%
3
SLVU378–August 2010 TPS65137A Evaluation Module
Copyright © 2010, Texas Instruments Incorporated