1
TC55 Series
LOW DROPOUT POSITIVE VOLTAGE REGULATOR
2
FEATURES
GENERAL DESCRIPTION
■
The TC55 Series is a collection of CMOS low dropout
positive voltage regulators which can source up to 250mA of
current with an extremely low input-output voltage differential of 380mV.
The low dropout voltage combined with the low current
consumption of only 1.1µA makes this part ideal for battery
operation. The low voltage differential (dropout voltage)
extends battery operating lifetime. It also permits high currents in small packages when operated with minimum VIN –
VOUT differentials.
The circuit also incorporates short-circuit protection to
ensure maximum reliability.
3
PIN CONFIGURATIONS
4
■
■
■
■
■
■
■
■
■
■
Very Low Dropout Voltage .... 120mV typ at 100mA
380mV typ at 200mA
High Output Current .............. 250mA (VOUT = 5.0V)
High Accuracy Output Voltage ........................ ± 2%
(± 1% Semicustom Version)
Wide Output Voltage Range .................... 2.1V-6.0V
Low Power Consumption ................... 1.1µA (Typ.)
Low Temperature Drift ................... ± 100ppm/°C Typ
Excellent Line Regulation ..................... 0.2%/V Typ
Package Options ....................................SOT-23A-3
SOT-89-3
TO-92
Short Circuit Protected
Standard 3.0V, 3.3V and 5.0V Output Voltages
Custom Voltages Available from 2.1V to 6.0V in
0.1V Steps.
*SOT-23A-3
SOT-89-3
TO-92
VIN
1 2 3
2
APPLICATIONS
TC55
TC55
TC55
1
3
1
2
3
GND
VOUT
GND
VIN
VOUT
5
VOUT
Battery-Powered Devices
Cameras and Portable Video Equipment
Pagers and Cellular Phones
Solar-Powered Instruments
Consumer Products
GND
VIN
■
■
■
■
■
*SOT-23A-3 is equivalent to EIAJ (SC-59)
ORDERING INFORMATION
FUNCTIONAL BLOCK DIAGRAM
PART CODE
VIN
VOUT
TC55 RP XX X X X XX XXX
Output Voltage:
Ex: 21= 2.1V; 60 = 6.0V
6
Extra Feature Code: Fixed: 0
+
Tolerance:
1 = ±1.0% (Custom)
2 = ±2.0% (Standard)
–
Temperature: E: – 40°C to +85°C
Short-circuit
Protection
Voltage
Reference
GND
7
Package Type and Pin Count:
CB: SOT-23A-3 (Equivalent to EIAJ (SC-59))
MB: SOT-89-3
ZB: TO-92-3
Taping Direction:
Standard Taping
Reverse Taping
No suffix: TO-92 Bulk
8
TC55-20 11/8/96
TELCOM SEMICONDUCTOR, INC.
4-127
LOW DROPOUT
POSITIVE VOLTAGE REGULATOR
TC55 Series
ABSOLUTE MAXIMUM RATINGS*
Item
Code
Ratings
Units
Input Voltage
VIN
+12
V
Output Current
IOUT
Pd/(VIN – VOUT)
mA
Output Voltage
VOUT
(VSS – 0.3) to (VIN + 0.3)
V
Pd
240
400
440
mW
Operating Temperature Range
TA
– 40 to +85
°C
Storage Temperature Range
Tstg
– 65 to +150
°C
Power Dissipation:
(TA ≤ 70°C)
SOT-23A-3
SOT-89
TO-92
TC55RP50 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25°C unless otherwise specified (see REMARKS).
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VOUT(A)
Output Voltage
Maximum Output Current
Load Regulation
I/O Voltage Difference
ISS
VOUT(A)·100
∆VIN·VOUT(S)
VIN
∆VOUT(A)·106
VOUT(S)·∆TA
Current Consumption
Voltage Regulation
—
4.90
250
—
—
—
—
—
—
5.0
—
40
120
380
1.1
0.2
—
5.10
—
80
300
600
3.0
0.3
V
IOUTmax
∆VOUT
Vdif
IOUT = 40mA
VIN = 6.0V
VIN = 6.0V, VOUT(A) ≥ 4.5V
VIN = 6.0 V, 1 mA ≤ IOUT ≤ 100mA
IOUT = 100mA
IOUT = 200 mA
VIN = 6.0V
IOUT = 40mA
6.0V ≤ VIN ≤ 10.0V
µA
%/V
—
—
—
±100
10.0
—
V
ppm/°C
—
0.5
—
%
REMARKS:
Input Voltage
Temperature Coefficient
of Output Voltage
Long Term Stability
IOUT = 40mA
– 40°C ≤ TA ≤ 85°C
TA = 125°C, 1000 Hours
mA
mV
mV
VOUT(S): Preset value of Output voltage
VOUT(A): Actual value of Output voltage
Vdif:
Definition of I/O voltage difference = {VIN1 – VOUT(A)}
VOUT(A): Output Voltage when IOUT is fixed and VIN = VOUT(S) + 1.0V
VIN1:
Input Voltage when the output voltage is 98% VOUT(A)
TC55RP40 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25°C unless otherwise specified (see REMARKS).
Symbol
Parameter
VOUT(A)
Output Voltage
IOUTmax
∆VOUT
Vdif
Maximum Output Current
Load Regulation
I/O Voltage Difference
ISS
∆VOUT(A)·100
∆VIN·VOUT(S)
VIN
∆VOUT(A)
VOUT(S)·∆TA
Current Consumption
Voltage Regulation
4-128
Input Voltage
Temperature Coefficient
of Output Voltage
Long Term Stability
Test Conditions
Min
Typ
Max
Unit
IOUT = 40mA
VIN = 5.0V
VIN = 5.0V, VOUT(A) ≥ 3.6V
VIN = 5.0 V, 1 mA ≤ IOUT ≤ 100mA
IOUT = 100mA
IOUT = 200mA
VIN = 5.0V
IOUT = 40mA
5.0V ≤ VIN ≤ 10.0V
—
3.92
200
—
—
—
—
—
—
4.0
—
45
170
400
1.0
0.2
—
4.08
—
90
330
630
2.9
0.3
V
µA
%/V
—
—
—
±100
10.0
—
V
ppm/°C
—
0.5
—
%
IOUT = 40mA
– 40°C ≤ TA ≤ 85°C
TA = 125°C, 1000 Hours
mA
mV
mV
TELCOM SEMICONDUCTOR, INC.
LOW DROPOUT
POSITIVE VOLTAGE REGULATOR
1
TC55 Series
TC55RP30 ELECTRICAL CHARACTERISTICS: VOUT(S) = 5.0V, TA = 25°C unless otherwise specified (see REMARKS).
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VOUT(A)
Output Voltage
Maximum Output Current
Load Regulation
I/O Voltage Difference
ISS
VOUT(A)·100
∆VIN·VOUT(S)
VIN
∆VOUT(A)·106
∆TA·VOUT(S)
Current Consumption
Voltage Regulation
—
2.94
150
—
—
—
—
—
—
3.0
—
45
180
400
0.9
0.2
—
3.06
—
90
360
700
2.8
0.3
V
IOUTmax
∆VOUT
Vdif
IOUT = 40mA
VIN = 4.0V
VIN = 4.0V, VOUT(A) ≥ 2.7V
VIN = 4.0V, 1 mA ≤ IOUT ≤ 80mA
IOUT = 80mA
IOUT = 160mA
VIN = 4.0V
IOUT = 40mA
4.0V ≤ VIN ≤ 10.0V
µA
%/V
—
—
—
±100
10.0
—
V
ppm/°C
—
0.5
—
%
Input Voltage
Temperature Coefficient
of Output Voltage
Long Term Stability
IOUT = 40mA
– 40°C ≤ TA ≤ 85°C
TA = 125°C, 1000 Hours
2
mA
mV
mV
*Static-sensitive device. Unused devices must be stored in conductive material. Protect devices from static discharge and static fields. Stresses above those
listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the operational sections of the specifications is not implied. Exposure to Absolute Maximum Rating
Conditions for extended periods may affect device reliability.
3
4
MARKING
SOT-23A-3
① ➁ ➂ ➃
TO-92-3
SOT-89-3
➁
➃
①
➂
5
1 2 3 4
5 6 7 8
9 10 11 12
a represents first voltage digit
2 3 4 5 6
3
ex: 3.xV = uuuu
a, b, c & d = 55RP (fixed)
b represents first decimal place voltage (x.0 - x.9)
A = x.0
E = x.4
L = x.8
B = x.1
F = x.5
M = x.9
C = x.2
H = x.6
D = x.3
K = x.7
3 E
ex: 3.4V = uuuu
f = first voltage decimal (0-9)
c represents Polarity
0 = Positive (fixed)
i, j, k & l = assembly lot number
6
e = first voltage digit (2-6)
g = extra feature code : fixed : 0
7
h = regulation accuracy
1 = ±1.0% (custom), 2 = ±2.0% (standard)
d represents assembly lot number
8
TELCOM SEMICONDUCTOR, INC.
4-129