TB62752AFUG
2005-08-5
3
TENTATIVE
Absolute Maximum Ratings (Topr = 25°C if without notice)
Characteristics Symbol Ratings Unit
Power Supply Voltage VIN −0.3 to +6.0 V
Input Voltage VSHDN −0.3 to +VIN + 0.3 V
Switching Terminal Voltage Vo (SW) -0.3 to 40 V
Switching Terminal Current Io (SW) 1500 mA
0.41 (Device)
Power Dissipation PD
0.47 (on PCB) Caution 2
W
300 (Device)
Thermal Resistance Rth (j-a)
260 (on PCB)
°C/W
Operation Temperature Range Topr −40 to +85 °C
Storage Temperature Range Tstg −55 to +150 °C
Maximum Junction Temperature Tj 150 °C
Caution 2: Power Dissipation must be calculated with subtraction of 3.8 mW/°C from Maximum Rating
with every 1°C if T
opr
is upper 25°C. (on PCB)
Recommended Operating Condition
(Ta
=
-40°C to 85°C if without notice)
Characteristics Symbol
Test
Circuit
Test Condition Min Typ Max Unit
Power Supply Voltage VIN - 2.8 - 5.5 V
LED Current (Average Value) Io1 -
VIN = 3.6 V, RSENS=15Ω
4LEDs, Topr = 25°C
- 20 - mA
Electrical Characteristics (Ta
=
25°C, V
IN
=2.8V to 5.5V if without notice)
Characteristics Symbol Test Condition Min Typ Max Unit
Input Voltage Range
V
IN
2.8 - 5.5 V
Operating Consumption Current
I
IN
(On) VIN=3.6V, RSENS=15Ω - TBD - mA
Quiescent Consumption Current
I
IN
(Off) VIN=3.6V,V
SHDN
=0V - 0.5 1.0 µA
SHDN Terminal 'H' Level
Input Voltage
VSHDNH - 1.3 - VIN V
SHDN Terminal 'L' Level
Input Voltage
VSHDNL - 0 - 0.4 V
SHDN Terminal Current
I
SHDN
VIN=3.6V,V
SHDN
=3.6V - 0 1.0 µA
Integrated MOS-Tr
Switching Frequency
f
OSC
VIN=3.6V,V
SHDN
=3.6V 0.77 1.1 1.43 MHz
Switching Terminal Current
I
oZ
(SW) - - 600 - mA
Switching Terminal Leak Current
I
oz
(SW) - - 0.5 1 µA
FB Terminal Feedback Voltage
(V
FB
)
V
FB
V
IN
=3.6V, RSENS=15Ω
T
opr
=25°C, L=22µH
285 300 315 mV
FB Terminal Line Regulation
∆V
FB
V
IN
=3.6V center
V
IN
=3.0 to 5.0V
-5 - 5 %
FB Terminal Current
I
oZ
(SW) - - TBD - µA
OVD terminal Voltage
V
OVD
- 34.5 37 39.5 V
OVD Terminal Leakage Current
I
OVDZ
V
OVD
=30V - 0.5 1 µA
