Datasheet

TPS63700
www.ti.com SLVS530C –SEPTEMBER 2005–REVISED JUNE 2013
ELECTRICAL CHARACTERISTICS
–40°C to 85°C, over recommended input voltage range, typical at an ambient temperature of 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC-DC STAGE
Adjustable output
V
OUT
–15 –2 V
voltage range
V
IN
Input voltage range PIN VIN, IN 2.7 5.5 V
V
REF
Reference voltage I
REF
= 10 μA 1.2 1.213 1.225 V
Negative feedback input bias
I
FB
V
FBN
= 0.1 V
REF
2 nA
current
Negative feedback
V
FB
V
IN
= 2.7 V to 5.5 V –0.024 0 0.024 V
regulation voltage
V
OUT
DC output accuracy PWM mode, device switching, ±3 %
Output overvoltage
V
OVP
–19 V
protection
V
IN
= 3.6 V 440 600
R
DS(ON)
Inverter switch on-resistance mΩ
V
IN
= 5 V 370 500
I
LIM
Inverter switch current limit 2.7 V < V
IN
< 5.5 V 860 1000 1140 mA
Maximum duty cycle
D
MAX
87.5%
inverting converter
Minimum duty cycle
D
MIN
12.5%
inverting converter
CONTROL STAGE
f
S
Oscillator frequency 1250 1380 1500 kHz
V
EN
High level input voltage 1.4 V
V
EN
Low level input voltage 0.4 V
I
EN
Input current EN = V
IN
or GND 0.01 0.1 μA
VIN V
IN
= 3.6 V, I
OUT
= 0, 330 400 μA
Quiescent
I
(Q)
EN = V
IN
, no switching
current
IN 640 750 μA
V
OUT
= –5 V
I
SD
Shutdown supply current EN = GND 0.2 1.5 μA
Undervoltage lockout
UVLO 2.1 2.35 2.7 V
threshold
Thermal shutdown 150 °C
Thermal shutdown
Junction temperature decreasing 5 °C
hysteresis
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